Created a simple pickup sound that sounds like you put something in your bag.

assets/config.json

@@ -4,7 +4,8 @@
     "monster_16": "assets/monster-16.ogg",
     "monster_1": "assets/monster-1.ogg",
     "walk": "assets/blank.ogg",
-    "blank": "assets/blank.ogg"
+    "blank": "assets/blank.ogg",
+    "pickup": "assets/pickup.ogg"
   },
   "sprites": {
     "armored_knight": "assets/armored_knight_1-256.png",
@@ -37,7 +38,7 @@
   "player": {
   },
   "worldgen": {
-    "enemy_probability": 90,
+    "enemy_probability": 30,
     "empty_room_probability": 10,
     "device_probability": 20
   }

assets/items.json

@@ -24,7 +24,8 @@
         "foreground": [24, 120, 189],
         "background": [24, 120, 189]
       },
-      {"_type": "Sprite", "name": "cinqueda"}
+      {"_type": "Sprite", "name": "cinqueda"},
+      {"_type": "Sound", "attack": "pickup", "death": "blank"}
     ]
   },
   "BARREL_SMALL": {

systems.cpp

@@ -235,6 +235,10 @@ void System::collision(GameLevel &level) {
         world.remove<Curative>(entity);
       }
 
+      if(auto snd = world.get_if<Sound>(entity)) {
+        sound::play(snd->attack);
+      }
+
       collider.remove(item_pos.location);
       world.remove<Tile>(entity);
       world.remove<InventoryItem>(entity);