Single-player games like Terres
Below are 8 single-player Steam games similar to Terres, 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 Terres page.
Ranked picks
- 1

The Phenomenon
Single-player alternative to Terres — playable solo, no multiplayer required. Shares Action and Adventure with Terres.
Played by millions on mobile since 2015, The Phenomenon is an episodic first-person survival horror following paranormal researcher Barry Nellan. Investigate alone or in cross-platform online co-op.
- 2

Breach Signal
Single-player alternative to Terres — playable solo, no multiplayer required. Shares Action and Adventure with Terres.
Breach Signal is a 1-6 player co-op cosmic horror game. As a recruit of the FNA, lead expeditions into strange places and investigate mysterious anomalies that threaten our reality.
- 3

Long Carnage
Single-player alternative to Terres — playable solo, no multiplayer required. Shares Action and Early Access with Terres.
Long Carnage is a first-person cooperative horror game for up to 4 players. Explore an isolated house, find resources, restore power, and survive unique killers with their own mechanics in dynamic and unpredictable matches.
- 4

Voiceless
Single-player alternative to Terres — playable solo, no multiplayer required. Shares Action with Terres.
Voiceless is a cooperative horror game that can be played alone or with up to 4 players. Your goal is to survive making as little noise as possible, because any sound, including your microphone, can be heard by the Maniac, who is eager to catch you and your friends.
- 5

Final Footage
Single-player alternative to Terres — playable solo, no multiplayer required. Shares Action and Adventure with Terres.
Find what doesn't belong. Capture the evidence. Survive what finds you. Final Footage is a psychological horror game where you investigate anomalies, hide from the Knocker, upgrade your equipment, and unlock increasingly dangerous locations.
- 6

HOLLOWED Co.
Single-player alternative to Terres — playable solo, no multiplayer required. Shares Action and Adventure with Terres.
A chaotic multiplayer horror game where a paranormal recovery crew hunts cursed relics in haunted locations — while monsters hunt them back and corrupted teammates hide among the crew. Work together, uncover the impostors, and survive long enough to escape.
- 7

MAEVOR
Single-player alternative to Terres — playable solo, no multiplayer required. Shares Action and Adventure with Terres.
MAEVOR is a 1-4 player co-op horror game set in a cursed forest where every sound can get you killed. Recover three ancient artifacts, break the Harpy Vampire Demon's curse, and survive against creatures that hunt by sound while fear distorts your senses.
- 8

Species: Unknown
Single-player alternative to Terres — playable solo, no multiplayer required. Shares Action and Early Access with Terres.
Species: Unknown is a 1 to 4 players co-op survival horror. Complete high-risk missions aboard an abandoned ship while being hunted by an unknown creature. Survive and upgrade your gear to face each new threat that lurks in the dark.