diff --git a/feely_pona.cpp b/feely_pona.cpp
index 50a19f3..bc3205e 100644
--- a/feely_pona.cpp
+++ b/feely_pona.cpp
@@ -815,6 +815,36 @@ void FP_Update(TELY_Platform *platform, FP_Game *game, TELY_PlatformInput *input
                 entity->local_pos += delta_pos;
             }
         }
+        
+        // NOTE: Attack collisions =================================================================
+        {
+            // NOTE: Check if there's an active attack box
+            if (entity->attack_box_size.x != 0 && entity->attack_box_size.y != 0) {
+                Dqn_Rect entity_attack_box = {};
+                // NOTE: Convert from centre origin to top-left origin
+                entity_attack_box.pos  = entity->local_pos + entity->attack_box_offset - (entity->attack_box_size * 0.5f);
+                entity_attack_box.size = entity->attack_box_size;
+
+                for (FP_GameEntityIterator target_it = {}; FP_Game_DFSPreOrderWalkEntityTree(game, &target_it, game->root_entity);) {
+                    FP_GameEntity *target = target_it.entity;
+                    if (target->handle == entity->handle)
+                        continue;
+
+                    // TODO(josh): This check should be updated based on an entity attackable flag
+                    if (target->flags & FP_GameEntityFlag_Attackable) {
+                        Dqn_Rect target_world_hit_box = FP_Game_CalcEntityWorldHitBox(game, target->handle);
+
+                        if (Dqn_Rect_Intersects(entity_attack_box, target_world_hit_box)) {
+                            target->hp -= 1;
+
+                            if (target->hp <= 0) {
+                                FP_Game_DeleteEntity(game, target->handle);
+                            }
+                        }
+                    }
+                }
+            }
+        }
 
         // NOTE: Move entity by mouse ==============================================================
         if (game->active_entity == entity->handle && entity->flags & FP_GameEntityFlag_MoveByMouse) {
diff --git a/feely_pona_entity.cpp b/feely_pona_entity.cpp
index 1c764e9..01a1ff3 100644
--- a/feely_pona_entity.cpp
+++ b/feely_pona_entity.cpp
@@ -44,11 +44,13 @@ static FP_GameEntityHandle FP_Entity_CreateSmoochie(FP_Game *game, Dqn_V2 pos, D
     va_end(args);
 
     entity->type                 = FP_EntityType_Smoochie;
+    entity->hp                   = 3;
     entity->local_pos            = pos;
     entity->sprite_height.meters = 1.6f;
     entity->local_hit_box_size   = Dqn_V2_InitNx2(0.4f, 1.6f) * FP_Game_MetersToPixels(game);
     FP_Entity_AddDebugEditorFlags(game, entity->handle);
     entity->flags              |= FP_GameEntityFlag_NonTraversable;
+    entity->flags              |= FP_GameEntityFlag_Attackable;
     return result;
 }
 
diff --git a/feely_pona_game.h b/feely_pona_game.h
index e5a9852..50c202f 100644
--- a/feely_pona_game.h
+++ b/feely_pona_game.h
@@ -15,6 +15,7 @@ enum FP_GameEntityFlag
     FP_GameEntityFlag_MobSpawner                          = 1 << 7,
     FP_GameEntityFlag_MobSpawnerWaypoint                  = 1 << 8,
     FP_GameEntityFlag_AggrosWhenNearTerry                 = 1 << 9,
+    FP_GameEntityFlag_Attackable                          = 1 << 9,
 };
 
 enum FP_GameShapeType
@@ -118,6 +119,7 @@ struct FP_GameEntity
     uint64_t                              spawn_cap;
 
     uint64_t                              flags;
+    uint64_t                              hp;
     FP_GameDirection                      direction;
     Dqn_V2                                local_pos;
     Dqn_f64                               alive_time_s;