★★★★☆ (Loses one star for lack of cross-play, but the netcode itself is solid) does castle crashers have online multiplayer
| Platform | Online Multiplayer? | Max Players | Notes | | :--- | :--- | :--- | :--- | | | ✅ Yes | 4 | Works flawlessly via Steam's invite system. | | Nintendo Switch | ✅ Yes | 4 | Requires Nintendo Switch Online subscription. | | PlayStation 4/5 | ✅ Yes | 4 | Requires PS Plus subscription. | | Xbox One / Series X/S | ✅ Yes | 4 | Backward compatible; requires Game Pass Core or Ultimate. | | Xbox 360 (Original) | ✅ Yes | 4 | Original servers still active (backward on newer Xboxes). | | PlayStation 3 (Original) | ❌ No | 1 (offline only) | Important: The PS3 version never had online co-op. | ★★★★☆ (Loses one star for lack of cross-play,