Under Lock is a 5-player online horror game available on Steam . It pits one player as a monster against four survivors who must find keys and escape.

The request "UNDER LOCK ONLINE(2021) — proper post" appears to refer to the asymmetric multiplayer horror game , which left Early Access and had significant updates in 2021. Game Overview: Under Lock (2021)

: Integrated voice chat is essential for survivors to coordinate their escape.

: Survivors solve puzzles and find items while the monster uses unique abilities to hunt them down.

: Play as different entities, each with distinct hunting styles (e.g., some may rely on sound, others on sight).

: Item locations and puzzle solutions are randomized in each match to prevent "speed-running" by experienced players.

: Intel Core i5-2300 2.8 GHz or AMD Phenom II X4 945. Memory : 4 GB RAM. Graphics : NVIDIA GTX 970 or AMD Radeon R9 290. DirectX : Version 9.0. Storage : 6 GB available space. Key Features for a "Proper" Setup