Single-player games like Breach Signal
Below are 8 single-player Steam games similar to Breach Signal, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Breach Signal page.
Ranked picks
- 1
Terres
Single-player alternative to Breach Signal — playable solo, no multiplayer required. Shares Action and Adventure with Breach Signal.
Terres is a challenging teamwork and communication based 4-player co-op puzzle adventure game. While inside the trials you can adjust everything from lighting, duration and visibility to enemy behaviour and difficulty. Creating entirely new ways to overcome the challenge. Includes Singleplayer.
- 2
Pacify
Single-player alternative to Breach Signal — playable solo, no multiplayer required. Shares Action and Indie with Breach Signal.
An online co-op horror game where you pacify, weaken and capture supernatural creatures for PAH Inc. Each level has a different story, unique monsters, and multiple endings. Play single player or together with up to 6 friends. Includes proximity voice chat with fun effects.
- 3
Ghost Janitors
Single-player alternative to Breach Signal — playable solo, no multiplayer required. Shares Action and Indie with Breach Signal.
Ghost Janitors is a multiplayer psychological horror game for 1-4 players. Your job? Cleaning haunted houses while avoiding terrifying monsters. Ready to face the spine-tingling challenge with your team?
- 4
School 666
Single-player alternative to Breach Signal — playable solo, no multiplayer required. Shares Action and Indie with Breach Signal.
School 666 is a 1-4 Player Co-op Survival Horror. You must escape this endless nightmare. Try to identify the correct path and survive the anomalies in this endless school. Some extremely powerful anomalies will catch you to their dimensions. Explore the reason why you are here... and don't die.
- 5
SKIBIDI: ESCAPE FROM TOILETS!
Single-player alternative to Breach Signal — playable solo, no multiplayer required. Shares Action and Indie with Breach Signal.
"SKIBIDI: ESCAPE FROM TOILETS" is a cooperative horror game for 1-4 players. TV MANs are trying to get through creepy and atmospheric locations that are filled with dangerous SKIBIDI - they want to kill you! Free content updates with new levels and game modes - YES YES YES!
- 6
LockYourDoor
Single-player alternative to Breach Signal — playable solo, no multiplayer required. Shares Action and Adventure with Breach Signal.
Challenging co-op horror (1-4 players). You are looking for your missing friend Darvin. Do whatever it takes to stay alive. Only the patient and the clever will succeed.
- 7
Lost Lullabies: The Orphanage Chronicles
Single-player alternative to Breach Signal — playable solo, no multiplayer required. Shares Action and Indie with Breach Signal.
"Lost Lullabies - The Orphanage Chronicles" is a Co-Op horror game set in 1980, inspired by the real stories of an orphanage ruined by a fire in 1960 Lowell. Playable with 1-4 players, the goal is to identify and expel malevolent spirits alone or with your team.
- 8
Apartment No 129
Single-player alternative to Breach Signal — playable solo, no multiplayer required. Shares Action and Indie with Breach Signal.
Emir, who has an interest in mysterious events, steps alone into the abandoned apartment known as "Apartment No 129" to trace the trail of a paranormal event that occurred in 2009 and shook the country. However, he will find himself in an unexpected confrontation within this horror apartment.