Patch Notes

Play the Callisto Protocol on Windows

New side quest system, allowing players to take on optional objectives and tasks while exploring the game world.
Fixed a bug that caused some enemies to not correctly react to the player’s presence.
Improved weapon handling, with more intuitive aiming, reloading and firing

We hope you enjoy the new features and improvements in The Callisto Protocol Update! Stay tuned for more updates in the future.

The Callisto Protocol is a popular horror game about the adventures of a space trucker in prison. You have to fight terrible mutants and try to get out alive from the dead moon of Jupiter. On our website we share our knowledge about the game with others. Here everyone can find helpful guides, tips, news, updates, and more. This site uses third party services (Google Analytics). By continuing to use the website you are agreeing to the use of cookies.