diff --git a/data/tilesets/collision.gif b/data/tilesets/collision.gif
index ada22c0..07802bb 100644
Binary files a/data/tilesets/collision.gif and b/data/tilesets/collision.gif differ
diff --git a/source/game/entities/player.cpp b/source/game/entities/player.cpp
index 5272cad..6333c81 100644
--- a/source/game/entities/player.cpp
+++ b/source/game/entities/player.cpp
@@ -65,7 +65,12 @@ void Player::update(float delta_time) {
     // 5. Detectar caída
     checkFalling();
 
-    // 6. Finalizar
+    // 6. Kill tiles
+    if (room_->getTileCollider().touchesKillTile(x_, y_, WIDTH, HEIGHT)) {
+        markAsDead();
+    }
+
+    // 7. Finalizar
     syncSpriteAndCollider();
     animate(delta_time);
     border_ = handleBorders();
diff --git a/source/game/gameplay/tile_collider.cpp b/source/game/gameplay/tile_collider.cpp
index 8ac870d..a7242ef 100644
--- a/source/game/gameplay/tile_collider.cpp
+++ b/source/game/gameplay/tile_collider.cpp
@@ -15,7 +15,7 @@ auto TileCollider::getTileAt(int tile_x, int tile_y) const -> Tile {
         return Tile::EMPTY;
     }
     int value = tile_map_[tile_y * MW + tile_x];
-    if (value >= 0 && value <= 4) {
+    if (value >= 0 && value <= 5) {
         return static_cast<Tile>(value);
     }
     return Tile::EMPTY;
@@ -220,3 +220,22 @@ auto TileCollider::checkSlopeBelow(float x, float foot_y, float w) const -> Slop
 
     return {};
 }
+
+// --- Detección de kill tiles ---
+
+// Devuelve true si el rectángulo del jugador solapa algún tile KILL.
+auto TileCollider::touchesKillTile(float x, float y, float w, float h) const -> bool {
+    int top_row = toTile(static_cast<int>(y));
+    int bot_row = toTile(static_cast<int>(y + h - 1));
+    int left_col = toTile(static_cast<int>(x));
+    int right_col = toTile(static_cast<int>(x + w - 1));
+
+    for (int row = top_row; row <= bot_row; ++row) {
+        for (int col = left_col; col <= right_col; ++col) {
+            if (getTileAt(col, row) == Tile::KILL) {
+                return true;
+            }
+        }
+    }
+    return false;
+}
diff --git a/source/game/gameplay/tile_collider.hpp b/source/game/gameplay/tile_collider.hpp
index 8096013..81dd693 100644
--- a/source/game/gameplay/tile_collider.hpp
+++ b/source/game/gameplay/tile_collider.hpp
@@ -11,7 +11,8 @@ class TileCollider {
         WALL = 1,
         PASSABLE = 2,
         SLOPE_L = 3,
-        SLOPE_R = 4
+        SLOPE_R = 4,
+        KILL = 5
     };
 
     struct FloorHit {
@@ -45,9 +46,11 @@ class TileCollider {
     [[nodiscard]] auto checkSlopeBelow(float x, float foot_y, float w) const -> SlopeInfo;
 
     // Devuelve true si el jugador está parcialmente dentro de algún tile de slope
-    // (algún pie está por debajo de la superficie de un slope que solapa)
     [[nodiscard]] auto isInsideAnySlope(float x, float foot_y, float w) const -> bool;
 
+    // Devuelve true si el rectángulo del jugador solapa algún tile KILL
+    [[nodiscard]] auto touchesKillTile(float x, float y, float w, float h) const -> bool;
+
    private:
     static constexpr int TS = ::Tile::SIZE;
     static constexpr int MW = ::Map::WIDTH;