diff --git a/src/camera.h b/src/camera.h
index d03a958..50e4511 100644
--- a/src/camera.h
+++ b/src/camera.h
@@ -31,7 +31,6 @@ struct Camera : ICamera {
     int     room;
 
     float   timer;
-    float   shake;
 
     Basis   prevBasis;
 
@@ -43,7 +42,7 @@ struct Camera : ICamera {
     bool    firstPerson;
     bool    isVR;
 
-    Camera(IGame *game, Character *owner) : ICamera(), game(game), level(game->getLevel()), owner(owner), frustum(new Frustum()), timer(-1.0f), shake(0.0f), viewIndex(-1), viewIndexLast(-1), viewTarget(NULL), isVR(false) {
+    Camera(IGame *game, Character *owner) : ICamera(), game(game), level(game->getLevel()), owner(owner), frustum(new Frustum()), timer(-1.0f), viewIndex(-1), viewIndexLast(-1), viewTarget(NULL), isVR(false) {
         changeView(false);
         if (owner->getEntity().type != TR::Entity::LARA && level->cameraFrames) {
             state = STATE_CUTSCENE;
diff --git a/src/controller.h b/src/controller.h
index c4b7558..827b593 100644
--- a/src/controller.h
+++ b/src/controller.h
@@ -17,10 +17,11 @@
 struct Controller;
 
 struct ICamera {
-    vec4 *reflectPlane;
-    vec3 pos;
+    vec4  *reflectPlane;
+    vec3  pos;
+    float shake;
 
-    ICamera() : reflectPlane(NULL) {}
+    ICamera() : reflectPlane(NULL), pos(0.0f), shake(0.0f) {}
 
     virtual void setup(bool calcMatrices) {}
     virtual int  getRoomIndex() const { return TR::NO_ROOM; }
@@ -52,6 +53,9 @@ struct IGame {
 
     virtual void checkTrigger(Controller *controller, bool heavy) {}
 
+    virtual int  addSprite(TR::Entity::Type type, int room, int x, int y, int z, int frame = -1, bool empty = false) { return -1; }
+    virtual int  addEnemy(TR::Entity::Type type, int room, const vec3 &pos, float angle) { return -1; }
+
     virtual bool invUse(TR::Entity::Type type) { return false; }
     virtual void invAdd(TR::Entity::Type type, int count = 1) {}
     virtual int* invCount(TR::Entity::Type type) { return NULL; }
@@ -65,7 +69,7 @@ struct IGame {
 struct Controller {
     static Controller *first;
     Controller  *next;
-    enum ActiveState { asNone, asActive, asInactive } activeState;
+    enum ActiveState { asNone, asActive, asInactive };
 
     IGame       *game;
     TR::Level   *level;
@@ -94,7 +98,17 @@ struct Controller {
         uint32   mask;
     } *layers;
 
-    Controller(IGame *game, int entity) : next(NULL), activeState(asNone), game(game), level(game->getLevel()), entity(entity), animation(level, getModel()), state(animation.state), layers(NULL) {
+    uint32 explodeMask;
+    struct ExplodePart {
+        Basis basis;
+        vec3  velocity;
+        int   roomIndex;
+    } *explodeParts;
+
+    ActiveState activeState;
+    bool invertAim;
+
+    Controller(IGame *game, int entity) : next(NULL), activeState(asNone), game(game), level(game->getLevel()), entity(entity), animation(level, getModel()), state(animation.state), layers(0), explodeMask(0), explodeParts(0), invertAim(false) {
         TR::Entity &e = getEntity();
         pos        = vec3(float(e.x), float(e.y), float(e.z));
         angle      = vec3(0.0f, e.rotation, 0.0f);
@@ -125,6 +139,7 @@ struct Controller {
     virtual ~Controller() {
         delete[] joints;
         delete[] layers;
+        delete[] explodeParts;
         deactivate(true);
     }
 
@@ -195,6 +210,7 @@ struct Controller {
     }
 
     void initMeshOverrides() {
+        if (layers) return;
         layers = new MeshLayer[MAX_LAYERS];
         memset(layers, 0, sizeof(MeshLayer) * MAX_LAYERS);
         layers[0].model = getEntity().modelIndex - 1;
@@ -223,6 +239,8 @@ struct Controller {
 
             Basis b = animation.getJoints(Basis(getMatrix()), joint);
             vec3 delta = (b.inverse() * t).normal();
+            if (invertAim)
+                delta = -delta;
 
             float angleY = clampAngle(atan2f(delta.x, delta.z));
             float angleX = clampAngle(asinf(delta.y));
@@ -526,8 +544,37 @@ struct Controller {
             animation.framePrev = animation.frameIndex;
     }
     
+    void updateExplosion() {
+        if (!explodeMask) return;
+        TR::Model *model = getModel();
+        for (int i = 0; i < model->mCount; i++)
+            if (explodeMask & (1 << i)) {
+                ExplodePart &part = explodeParts[i];
+                part.velocity.y += GRAVITY * Core::deltaTime;
+
+                quat q = quat(vec3(1, 0, 0), PI * Core::deltaTime) * quat(vec3(0, 0, 1), PI * 2.0f * Core::deltaTime);
+                part.basis = Basis(part.basis.rot * q, part.basis.pos + explodeParts[i].velocity * (Core::deltaTime * 30.0f));
+
+                vec3 p = part.basis.pos;
+                TR::Room::Sector *s = level->getSector(part.roomIndex, int(p.x), int(p.y), int(p.z));
+
+                if (s && s->floor * 256.0f < p.y) {
+                    explodeMask &= ~(1 << i);
+                   
+                    game->addSprite(TR::Entity::EXPLOSION, part.roomIndex, int(p.x), int(p.y), int(p.z));
+                    game->playSound(TR::SND_EXPLOSION, pos, 0); // Sound::Flags::PAN ?
+                }
+            }
+
+        if (!explodeMask) {
+            delete[] explodeParts;
+            explodeParts = NULL;
+        }
+    }
+
     virtual void update() {
         updateAnimation(true);
+        updateExplosion();
     }
 
     void updateLights(bool lerp = true) {
@@ -587,6 +634,34 @@ struct Controller {
         return matrix;
     }
 
+    void explode(int32 mask) {
+        TR::Model *model = getModel();
+
+        if (!layers) initMeshOverrides();
+
+        mask &= layers[0].mask;
+        layers[0].mask &= ~mask;
+        
+        explodeParts = new ExplodePart[model->mCount];
+        explodeMask  = 0;
+       
+        animation.getJoints(getMatrix(), -1, true, joints);
+        int roomIndex = getRoomIndex();
+        for (int i = 0; i < model->mCount; i++) {
+            if (!(mask & (1 << i)))
+                continue;
+            explodeMask |= (1 << i);
+            float angle = randf() * PI * 2.0f;
+            float speed = randf() * 256.0f;
+
+            ExplodePart &part = explodeParts[i];
+            part.basis     = joints[i];
+            part.basis.w   = 1.0f;
+            part.velocity  = vec3(cosf(angle), (randf() - 0.5f) * 0.25f, sinf(angle)) * speed;
+            part.roomIndex = roomIndex;
+        }
+    }
+
     void renderShadow(MeshBuilder *mesh) {
         TR::Entity &entity = getEntity();
 
@@ -621,16 +696,18 @@ struct Controller {
         Core::active.shader->setParam(uMaterial, vec4(vec3(0.5f * (1.0f - alpha)), alpha));
         Core::active.shader->setParam(uAmbient, vec3(0.0f));
 
+        Core::setDepthWrite(false);
         Core::setBlending(bmMultiply);
         mesh->renderShadowBlob();
         Core::setBlending(bmNone);
+        Core::setDepthWrite(true);
     }
 
     virtual void render(Frustum *frustum, MeshBuilder *mesh, Shader::Type type, bool caustics) { // TODO: animation.calcJoints
         mat4 matrix = getMatrix();
 
         Box box = animation.getBoundingBox(vec3(0, 0, 0), 0);
-        if (frustum && !frustum->isVisible(matrix, box.min, box.max))
+        if (!explodeMask && frustum && !frustum->isVisible(matrix, box.min, box.max))
             return;
 
         TR::Entity &entity = getEntity();
@@ -643,16 +720,23 @@ struct Controller {
             animation.getJoints(matrix, -1, true, joints);
 
         if (layers) {
-            int mask = 0;
+            uint32 mask = 0;
 
             for (int i = MAX_LAYERS - 1; i >= 0; i--) {
-                int vmask = layers[i].mask & ~mask;
+                uint32 vmask = (layers[i].mask & ~mask) | (!i ? explodeMask : 0);
                 if (!vmask) continue;
                 mask |= layers[i].mask;
             // set meshes visibility
                 for (int j = 0; j < model->mCount; j++)
                     joints[j].w = (vmask & (1 << j)) ? 1.0f : -1.0f; // AHAHA
 
+                if (explodeMask) {
+                    TR::Model *model = getModel();
+                    for (int i = 0; i < model->mCount; i++)
+                        if (explodeMask & (1 << i))
+                            joints[i] = explodeParts[i].basis;
+                }
+
             //    if (entity.type == TR::Entity::LARA && Core::eye != 0)
             //        joints[14].w = -1.0f;
             // render
diff --git a/src/enemy.h b/src/enemy.h
index 574d07f..5fd5e5b 100644
--- a/src/enemy.h
+++ b/src/enemy.h
@@ -57,6 +57,7 @@ struct Enemy : Character {
     float length;       // dist from center to head (jaws)
     float aggression;
     int   radius;
+    int   hitSound;
 
     Character *target;
     Path      *path;
@@ -85,7 +86,13 @@ struct Enemy : Character {
     }
 
     virtual void updateVelocity() {
-        velocity = getDir() * animation.getSpeed();
+        if (stand == STAND_AIR && (!flying || health <= 0.0f))
+            velocity.y += GRAVITY * Core::deltaTime;
+        else
+            velocity = getDir() * animation.getSpeed();
+
+        if (health <= 0.0f) 
+            velocity.x = velocity.y = 0.0f;
     }
 
     bool checkPoint(int x, int z) {
@@ -126,7 +133,7 @@ struct Enemy : Character {
 
         if (px != nx) pos.x = float(nx);
         if (pz != nz) pos.z = float(nz);
-   }
+    }
 
     virtual void updatePosition() {
         if (!getEntity().flags.active) return;
@@ -137,7 +144,11 @@ struct Enemy : Character {
         clipByBox(pos);
 
         TR::Level::FloorInfo info;
-        level->getFloorInfo(getRoomIndex(), (int)pos.x, (int)pos.y, (int)pos.z, info);
+        level->getFloorInfo(getRoomIndex(), int(pos.x), int(pos.y), int(pos.z), info);
+        if (stand == STAND_AIR && !flying && info.floor < pos.y) {
+            stand = STAND_GROUND;
+            pos.y = info.floor;
+        }
 
         if (info.boxIndex != 0xFFFF && zone == getZones()[info.boxIndex] && !level->boxes[info.boxIndex].overlap.block) {
             switch (stand) {
@@ -221,6 +232,8 @@ struct Enemy : Character {
     virtual void hit(float damage, Controller *enemy = NULL, TR::HitType hitType = TR::HIT_DEFAULT) {
         Character::hit(damage, enemy, hitType);
         wound = true;
+        if (hitSound > -1) 
+            game->playSound(hitSound, pos, Sound::PAN);
     };
 
     void bite(const vec3 &pos, float damage) {
@@ -486,6 +499,7 @@ struct Wolf : Enemy {
         dropHeight = -1024;
         jointChest = 2;
         jointHead  = 3;
+        hitSound   = TR::SND_HIT_WOLF;
         nextState  = STATE_NONE;
         animation.time = animation.timeMax;
         updateAnimation(false);
@@ -605,6 +619,18 @@ struct Wolf : Enemy {
     }
 };
 
+struct Lion : Enemy {
+    Lion(IGame *game, int entity) : Enemy(game, entity, 6, 341, 375.0f, 0.25f) {
+        hitSound = TR::SND_HIT_LION;
+    }
+};
+
+struct Rat : Enemy {
+    Rat(IGame *game, int entity) : Enemy(game, entity, 6, 341, 375.0f, 0.25f) {
+        hitSound = TR::SND_HIT_RAT;
+    }
+};
+
 #define BEAR_DIST_EAT    768
 #define BEAR_DIST_HOWL   2048
 #define BEAR_DIST_BITE   1024
@@ -640,7 +666,8 @@ struct Bear : Enemy {
 
     Bear(IGame *game, int entity) : Enemy(game, entity, 20, 341, 500.0f, 0.5f) {
         jointChest = 13;
-        jointHead  = 14;    
+        jointHead  = 14;
+        hitSound   = TR::SND_HIT_BEAR;
         nextState  = STATE_NONE;
     }
 
@@ -814,13 +841,6 @@ struct Bat : Enemy {
         return state == STATE_DEATH ? state : animation.setAnim(ANIM_DEATH);
     }
 
-    virtual void updateVelocity() {
-        if (state != STATE_DEATH)
-            Enemy::updateVelocity();
-        else
-            velocity = vec3(0.0f, velocity.y + GRAVITY * Core::deltaTime, 0.0f);
-    }
-
     virtual void updatePosition() {
         float angleY = 0.0f;
         if (state == STATE_FLY || state == STATE_ATTACK)
@@ -1065,4 +1085,121 @@ struct Raptor : Enemy {
     }
 };
 
-#endif
+struct Mutant : Enemy {
+    Mutant(IGame *game, int entity) : Enemy(game, entity, 50, 341, 150.0f, 1.0f) {
+        TR::Entity &e = getEntity();
+        if (e.type != TR::Entity::ENEMY_MUTANT_1) {
+            initMeshOverrides();
+            layers[0].mask = 0xffe07fff;
+            aggression     = 0.25f;
+        }
+
+        jointChest = 1;
+        jointHead  = 2;    
+        nextState  = 0;
+    }
+
+    virtual void update() {
+        bool exploded = explodeMask != 0;
+
+        if (health <= 0.0f && !exploded) {
+            game->playSound(TR::SND_MUTANT_DEATH, pos, 0);
+            explode(0xffffffff);
+        }
+
+        Enemy::update();
+
+        if (exploded && !explodeMask) {
+            deactivate(true);
+            getEntity().flags.invisible = true;
+        }
+    }
+
+    virtual int getStateGround() {
+        if (!think(true))
+            return state;
+        return state;
+    }
+
+    virtual void updatePosition() {
+        Enemy::updatePosition();
+        setOverrides(true, jointChest, jointHead);
+        lookAt(target);
+    }
+};
+
+struct GiantMutant : Enemy {
+    enum {
+        STATE_STOP = 1,
+        STATE_BORN = 8,
+        STATE_FALL = 9,
+    };
+
+    GiantMutant(IGame *game, int entity) : Enemy(game, entity, 500, 341, 375.0f, 1.0f) {
+        hitSound = TR::SND_HIT_MUTANT;
+        stand = STAND_AIR;
+        jointChest = -1;
+        jointHead  = 3;
+        rangeHead  = vec4(-0.5f, 0.5f, -0.5f, 0.5f) * PI;
+        invertAim  = true;
+    }
+
+    virtual int getStateGround() {
+        if (!think(true))
+            return state;
+        return state;
+    }
+
+    void update() {
+        bool exploded = explodeMask != 0;
+
+        if (health <= 0.0f && !exploded) {
+            game->playSound(TR::SND_MUTANT_DEATH, pos, 0);
+            explode(0xffffffff);
+        }
+
+        switch (state) {
+            case STATE_BORN : animation.setState(STATE_FALL); break;
+            case STATE_FALL : 
+                if (stand == STAND_GROUND) {
+                    animation.setState(STATE_STOP);
+                    game->getCamera()->shake = 5.0f;
+                }
+                break;
+        }
+
+        Enemy::update();
+
+        setOverrides(true, jointChest, jointHead);
+        lookAt(target);
+
+        if (exploded && !explodeMask) {
+            game->checkTrigger(this, true);
+            deactivate(true);
+            getEntity().flags.invisible = true;
+        }
+    }
+};
+
+
+struct Centaur : Enemy {
+    Centaur(IGame *game, int entity) : Enemy(game, entity, 20, 341, 400.0f, 0.5f) {
+        jointChest = 10;
+        jointHead  = 17;
+    }
+
+    virtual int getStateGround() {
+        if (!think(true))
+            return state;
+        return state;
+    }
+
+    virtual void updatePosition() {
+        Enemy::updatePosition();
+        setOverrides(true, jointChest, jointHead);
+        lookAt(target);
+    }
+};
+
+
+#endif
\ No newline at end of file
diff --git a/src/format.h b/src/format.h
index 258ed90..d9758c1 100644
--- a/src/format.h
+++ b/src/format.h
@@ -254,6 +254,9 @@ namespace TR {
         SND_SHOTGUN_RELOAD  = 9,
         SND_RICOCHET        = 10,
         
+        SND_HIT_BEAR        = 16,
+        SND_HIT_WOLF        = 20,
+
         SND_SCREAM          = 30,
         SND_HIT             = 31,
         
@@ -266,7 +269,13 @@ namespace TR {
         SND_UNDERWATER      = 60,
 
         SND_FLOOD           = 81,
+
+        SND_HIT_LION        = 85,
+
+        SND_HIT_RAT         = 95,
         
+        SND_EXPLOSION       = 104,
+
         SND_INV_SPIN        = 108,
         SND_INV_HOME        = 109,
         SND_INV_CONTROLS    = 110,
@@ -278,9 +287,15 @@ namespace TR {
         SND_HEALTH          = 116,
         
         SND_STAIRS2SLOPE    = 119,
+
+        SND_HIT_SKATEBOY    = 132,
+
+        SND_HIT_MUTANT      = 142,
+
         SND_DART            = 151,
         
-        SND_EXPLOSION       = 170,
+        SND_TNT             = 170,
+        SND_MUTANT_DEATH    = 171,
         SND_SECRET          = 173,
     };
 
@@ -730,7 +745,10 @@ namespace TR {
                 && type != ENEMY_REX
                 && type != ENEMY_RAPTOR
                 && type != ENEMY_MUTANT_1
+                && type != ENEMY_MUTANT_2
+                && type != ENEMY_MUTANT_3
                 && type != ENEMY_CENTAUR
+                && type != ENEMY_GIANT_MUTANT
                 && type != ENEMY_MUMMY
                 && type != ENEMY_NATLA)
                 opaque = true;
@@ -2016,6 +2034,9 @@ namespace TR {
         }
 
         int16 getModelIndex(Entity::Type type) const {
+            if (type == TR::Entity::ENEMY_MUTANT_2 || type == TR::Entity::ENEMY_MUTANT_3)
+                type = TR::Entity::ENEMY_MUTANT_1; // hardcoded mutant models remapping
+
             for (int i = 0; i < modelsCount; i++)
                 if (type == models[i].type)
                     return i + 1;
@@ -2107,8 +2128,8 @@ namespace TR {
                 int sz = (z - room.info.z) >> 10;
 
                 if (sz <= 0 || sz >= room.xSectors - 1) {
-                    sx = clamp(sx, 1, room.xSectors - 2);
-                    sz = clamp(sz, 0, room.zSectors - 1);
+                    sx = clamp(sx, 0, room.xSectors - 1);
+                    sz = clamp(sz, 1, room.zSectors - 2);
                 } else
                     sx = clamp(sx, 0, room.xSectors - 1);
 
diff --git a/src/inventory.h b/src/inventory.h
index 1eecfae..515ede1 100644
--- a/src/inventory.h
+++ b/src/inventory.h
@@ -180,8 +180,17 @@ struct Inventory {
 //              add(TR::Entity::INV_MEDIKIT_SMALL, 999);
 //              add(TR::Entity::INV_MEDIKIT_BIG, 999);
 //              add(TR::Entity::INV_SCION, 1);
-//              add(TR::Entity::INV_KEY_1, 1);
-//              add(TR::Entity::INV_PUZZLE_1, 1);
+        #ifdef _DEBUG
+            add(TR::Entity::INV_KEY_1, 3);
+            add(TR::Entity::INV_KEY_2, 3);
+            add(TR::Entity::INV_KEY_3, 3);
+            add(TR::Entity::INV_KEY_4, 3);
+
+            add(TR::Entity::INV_PUZZLE_1, 3);
+            add(TR::Entity::INV_PUZZLE_2, 3);
+            add(TR::Entity::INV_PUZZLE_3, 3);
+            add(TR::Entity::INV_PUZZLE_4, 3);
+        #endif
         } 
 
         if (id == TR::TITLE) {
diff --git a/src/level.h b/src/level.h
index f263c1d..a672ca5 100644
--- a/src/level.h
+++ b/src/level.h
@@ -209,9 +209,10 @@ struct Level : IGame {
                 playSound(TR::SND_STAIRS2SLOPE, vec3(), 0);
                 break;
             case TR::Effect::EXPLOSION :
-                playSound(TR::SND_EXPLOSION, vec3(0), 0);
+                playSound(TR::SND_TNT, vec3(0), 0);
                 camera->shake = 1.0f;
                 break;
+            default : ;
         }
     }
 
@@ -219,6 +220,38 @@ struct Level : IGame {
         lara->checkTrigger(controller, heavy);
     }
 
+    virtual int addSprite(TR::Entity::Type type, int room, int x, int y, int z, int frame = -1, bool empty = false) {
+        return Sprite::add(this, type, room, x, y, z, frame, empty);
+    }
+
+    virtual int addEnemy(TR::Entity::Type type, int room, const vec3 &pos, float angle) {
+        int index = level.entityAdd(type, room, int(pos.x), int(pos.y), int(pos.z), TR::angle(angle), -1);
+        if (index > -1) {
+            TR::Entity &e = level.entities[index];
+            Enemy *enemy = NULL;
+            switch (type) {
+                case TR::Entity::ENEMY_MUTANT_1 : 
+                case TR::Entity::ENEMY_MUTANT_2 : 
+                case TR::Entity::ENEMY_MUTANT_3 :
+                    enemy = new Mutant(this, index);
+                    break;
+                case TR::Entity::ENEMY_CENTAUR : 
+                    enemy = new Centaur(this, index);
+                    break;               
+                case TR::Entity::ENEMY_GIANT_MUTANT :
+                    enemy = new GiantMutant(this, index);
+                    break;               
+                default : ;
+            }
+
+            ASSERT(enemy); 
+            e.controller = enemy;
+            e.flags.active = TR::ACTIVE;
+            enemy->activate();
+        }
+        return index;
+    }
+
     virtual bool invUse(TR::Entity::Type type) {
         if (!lara->useItem(type))
             return inventory.use(type);
@@ -338,15 +371,14 @@ struct Level : IGame {
                 case TR::Entity::ENEMY_BAT             :   
                     entity.controller = new Bat(this, i);
                     break;
-                case TR::Entity::ENEMY_TWIN            :
-                case TR::Entity::ENEMY_CROCODILE_LAND  :
-                case TR::Entity::ENEMY_CROCODILE_WATER :
                 case TR::Entity::ENEMY_LION_MALE       :
                 case TR::Entity::ENEMY_LION_FEMALE     :
-                case TR::Entity::ENEMY_PUMA            :
-                case TR::Entity::ENEMY_GORILLA         :
+                    entity.controller = new Lion(this, i);
+                    break;
                 case TR::Entity::ENEMY_RAT_LAND        :
                 case TR::Entity::ENEMY_RAT_WATER       :
+                    entity.controller = new Rat(this, i);
+                    break;
                 case TR::Entity::ENEMY_REX             :
                     entity.controller = new Rex(this, i);
                     break;
@@ -356,9 +388,23 @@ struct Level : IGame {
                 case TR::Entity::ENEMY_MUTANT_1        :
                 case TR::Entity::ENEMY_MUTANT_2        :
                 case TR::Entity::ENEMY_MUTANT_3        :
+                    entity.controller = new Mutant(this, i); 
+                    break;
                 case TR::Entity::ENEMY_CENTAUR         :
+                    entity.controller = new Centaur(this, i);
+                    break;
                 case TR::Entity::ENEMY_MUMMY           :
+                case TR::Entity::ENEMY_TWIN            :
+                case TR::Entity::ENEMY_CROCODILE_LAND  :
+                case TR::Entity::ENEMY_CROCODILE_WATER :
+                case TR::Entity::ENEMY_PUMA            :
+                case TR::Entity::ENEMY_GORILLA         :
                 case TR::Entity::ENEMY_LARSON          :
+                case TR::Entity::ENEMY_PIERRE          :
+                case TR::Entity::ENEMY_SKATEBOY        :
+                case TR::Entity::ENEMY_COWBOY          :
+                case TR::Entity::ENEMY_MR_T            :
+                case TR::Entity::ENEMY_NATLA           :
                     entity.controller = new Enemy(this, i, 100, 10, 0.0f, 0.0f);
                     break;
                 case TR::Entity::DOOR_1                :
@@ -454,6 +500,10 @@ struct Level : IGame {
                 case TR::Entity::BOAT                  :
                     entity.controller = new Boat(this, i);
                     break;
+                case TR::Entity::MUTANT_EGG_SMALL      :
+                case TR::Entity::MUTANT_EGG_BIG        :
+                    entity.controller = new MutantEgg(this, i);
+                    break;
                 default                                : 
                     if (entity.modelIndex > 0)
                         entity.controller = new Controller(this, i);
diff --git a/src/trigger.h b/src/trigger.h
index 4249490..1d78faa 100644
--- a/src/trigger.h
+++ b/src/trigger.h
@@ -784,6 +784,44 @@ struct Boat : Controller {
 };
 
 
+#define MUTANT_EGG_RANGE 4096
+
+struct MutantEgg : Controller {
+    enum {
+        STATE_IDLE,
+        STATE_EXPLOSION,
+    };
+
+    TR::Entity::Type enemy;
+    
+    MutantEgg(IGame *game, int entity) : Controller(game, entity) {
+        initMeshOverrides();
+        layers[0].mask = 0xff0001ff; // hide dynamic meshes
+
+        switch (getEntity().flags.active) {
+            case 1  : enemy = TR::Entity::ENEMY_MUTANT_2;     break;
+            case 2  : enemy = TR::Entity::ENEMY_CENTAUR;      break;
+            case 4  : enemy = TR::Entity::ENEMY_GIANT_MUTANT; break;
+            case 8  : enemy = TR::Entity::ENEMY_MUTANT_3;     break;
+            default : enemy = TR::Entity::ENEMY_MUTANT_1;
+        }
+    }
+
+    virtual void update() {
+        if (state != STATE_EXPLOSION) {
+            Box box = Box(pos + vec3(-MUTANT_EGG_RANGE), pos + vec3(MUTANT_EGG_RANGE));
+            TR::Entity &e = getEntity();
+            if ( e.flags.once || e.type == TR::Entity::MUTANT_EGG_BIG || box.contains((((Controller*)level->laraController)->pos)) ) {
+                animation.setState(STATE_EXPLOSION);
+                layers[0].mask = 0xffffffff & ~(1 << 24);
+                explode(0x00fffe00);
+                game->addEnemy(enemy, getRoomIndex(), pos, angle.y);
+            }
+        }
+        Controller::update();
+    }
+};
+
 struct KeyHole : Controller {
     KeyHole(IGame *game, int entity) : Controller(game, entity) {}
 
diff --git a/src/utils.h b/src/utils.h
index 8d09f67..b6ba28a 100644
--- a/src/utils.h
+++ b/src/utils.h
@@ -62,11 +62,21 @@ inline const T& min(const T &a, const T &b) {
     return a < b ? a : b;
 }
 
+template <typename T>
+inline const T& min(const T &a, const T &b, const T &c) {
+    return (a < b && a < c) ? a : ((b < a && b < c) ? b : c);
+}
+
 template <class T>
 inline const T& max(const T &a, const T &b) {
     return a > b ? a : b;
 }
 
+template <typename T>
+inline const T& max(const T &a, const T &b, const T &c) {
+    return (a > b && a > c) ? a : ((b > a && b > c) ? b : c);
+}
+
 template <class T>
 inline const T& clamp(const T &x, const T &a, const T &b) {
     return x < a ? a : (x > b ? b : x);