Darts can now pop balloons.

Content.Server/Weapons/Melee/Balloon/BalloonPopperSystem.cs

@@ -4,7 +4,7 @@
 using Content.Shared.Popups;
 using Content.Shared.Tag;
 using Content.Shared.Weapons.Melee.Events;
-using Robust.Shared.Audio;
+using Content.Shared.Throwing;
 using Robust.Shared.Audio.Systems;
 
 namespace Content.Server.Weapons.Melee.Balloon;
@@ -23,6 +23,7 @@ public sealed class BalloonPopperSystem : EntitySystem
     public override void Initialize()
     {
         SubscribeLocalEvent<BalloonPopperComponent, MeleeHitEvent>(OnMeleeHit);
+        SubscribeLocalEvent<BalloonPopperComponent, ThrowDoHitEvent>(OnThrowHit);
     }
 
     private void OnMeleeHit(EntityUid uid, BalloonPopperComponent component, MeleeHitEvent args)
@@ -40,6 +41,15 @@ private void OnMeleeHit(EntityUid uid, BalloonPopperComponent component, MeleeHi
         }
     }
 
+    private void OnThrowHit(EntityUid uid, BalloonPopperComponent component, ThrowDoHitEvent args)
+    {
+        foreach (var held in _hands.EnumerateHeld(args.Target))
+        {
+            if (_tag.HasTag(held, component.BalloonTag))
+                PopBallooon(uid, held, component);
+        }
+    }
+
     /// <summary>
     /// Pops a target balloon, making a popup and playing a sound.
     /// </summary>

Resources/Prototypes/Entities/Objects/Fun/darts.yml

@@ -84,6 +84,7 @@
             max: 1
       - !type:DoActsBehavior
         acts: [ "Destruction" ]
+  - type: BalloonPopper
 
 - type: entity
   parent: Dart

Resources/Prototypes/Entities/Objects/Weapons/Melee/needle.yml

@@ -12,6 +12,13 @@
     damage:
       types:
         Piercing: 1
+  - type: DamageOtherOnHit
+    damage:
+      types:
+        Piercing: 1
   - type: Item
     size: Tiny
   - type: BalloonPopper
+  - type: ThrowingAngle
+    angle: -135
+  - type: LandAtCursor