Chained Beasts online play not working usually stems from lobby connection hangs, cross-platform invite bugs, or desynced game files between party members. Players attempting to join through Steam invites or room codes have encountered issues where the joining player gets stuck in the room or kicked back to the main menu. While developer Featherweight Games continues to update the game, several community-tested workarounds can help you connect with your party.
Known Multiplayer and Connection Bugs
According to official Steam community bug reports and player discussions, online co-op issues in Chained Beasts commonly present in several distinct ways:
- Lobby Join Freeze: After entering a room code or accepting a Steam invite, the joining player's client freezes or stays permanently stuck inside an unresponsive room.
- Invite Disconnects and Brown Screen: Upon accepting a co-op invitation, the host's screen can turn brown while the joining friend is booted straight back to the main menu.
- Mac to Windows Join Failures: Players on macOS attempting to join Windows hosts (or vice versa) experienced immediate kicks back to the menu screen.
- Multiplayer Movement Lock: Certain sessions load both players into the arena but leave characters unable to move or register controller inputs properly.
Stuck on Join or Room Code Screen
The most common report involves players finishing the solo tutorial mission and subsequently failing to connect through room codes or direct Steam invites. When this occurs, the lobby host appears active, but the guest cannot fully initialize into the session.
To resolve this issue, players have reported success with the following workflow:
- Close the game on both host and client machines.
- Ensure both players launch the session together rather than completing early stages separately. Community members noted that starting a fresh lobby and completing the tutorial sequence together as a co-op group bypassed the connection stall that occurred when trying to group up after solo play.
- If connecting via room code fails, switch to direct Steam friend invites through the Steam overlay.
Mac and Windows Cross-Play Disconnects
During beta and demo periods, players attempting cross-play between macOS and Windows platforms faced an instant return to the main menu when accepting invites in either direction.
According to Steam forum responses, players noted that this issue was addressed and fixed after asking about it in discord. If you or a friend on Mac cannot connect to a Windows lobby:
- Check that both players are running the exact same build version of the game.
- If an update is pending, restart the Steam client to trigger the download.
- If cross-platform direct invites fail, join the Featherweight Games Discord community to verify whether a platform-specific patch is currently live.
Verifying Integrity of Game Files
Corrupted installation files or incomplete updates frequently trigger invite drops and screen discoloration glitches, such as the host screen turning brown when an invite is accepted. Verifying your installation through Steam ensures that your network packages and game assets match the host client.
- Open your Steam Library.
- Right-click on Chained Beasts and select Properties.
- Navigate to the Installed Files tab.
- Click Verify integrity of demo files (or Verify integrity of game files).
- Wait for Steam to validate all assets and reacquire any missing or corrupted data before relaunching.
Chained Beasts Multiplayer Overview
Chained Beasts supports both online and local play. If online matchmaking or direct connections continue to fail, players have alternative co-op options:
| Feature | Support Details |
|---|---|
| Player Count | 1 to 4 players |
| Multiplayer Modes | Online Co-op, Shared/Split Screen Co-op |
| Platforms | Steam (Windows, Mac), PS5, Xbox Series X |
| Cross-Platform Play | Official cross-platform multiplayer supported |
| Alternative Network Play | Steam Remote Play Together |
| Controller Requirement | Gamepad recommended; at least 1 gamepad required for same-screen co-op |
If direct online servers experience outages, players on Steam can use Remote Play Together to stream the game to friends via shared-screen co-op without requiring the secondary player to establish a direct server session.
Frequently Asked Questions
Does Chained Beasts require controllers for co-op?
The game recommends gamepads for all players and requires at least one gamepad if you are playing same-screen local co-op. Full controller support is included for DualShock, DualSense, and standard PC gamepads.
What should I do if the screen turns purple or throws an il2cpp fatal error?
These are recognized client crashes listed on the Steam forums (such as "FATAL ERROR: Failed to load il2cpp"). When this happens, verify your game files in Steam or check the official community hub for recent hotfixes from Featherweight Games.
Is random public matchmaking available?
Co-op sessions primarily rely on direct friend invites and room codes.












