The game PEAK officially supports up to 4 players in a cooperative multiplayer session. This is the designed player cap for teamwork-focused gameplay. However, there is an unofficial mod called "PEAK Unlimited" that allows players to extend the player limit well beyond 4, supporting up to 20 players by default, though the game may become less stable with more than 4 players.
Summary:
- Official max players: 4
- Max players with mod: Up to 20 (unofficial)
- Modding may affect game stability and requires only the host to install the mod
This means that without mods, up to 4 people can play PEAK together, but with modding, more than 4 players can join a session.
