Single-player games like Complex 629
Below are 8 single-player Steam games similar to Complex 629, 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 Complex 629 page.
Ranked picks
- 1
THE WELL IS NOT EMPTY
Single-player alternative to Complex 629 — playable solo, no multiplayer required. Shares Adventure with Complex 629.
The well has gone dry. It's up to you to find out why. Traverse through abandoned tunnels. Discover remnants of a ritual never meant to be seen. Power dying machinery to bring light into darkness. Dig into broken earth and crawl your way out. Down here you’re not exploring... you're trespassing.
- 2
Sunset Humanity
Single-player alternative to Complex 629 — playable solo, no multiplayer required. Shares Adventure with Complex 629.
Help a rogue A.I bring about the end of humanity in this short psychological horror game.
- 3
NIGHTSLINK
Single-player alternative to Complex 629 — playable solo, no multiplayer required. Shares Adventure with Complex 629.
You are the Nightslink. Traverse abandoned roads under cover of night. Deliver cassette tapes in a post-apocalyptic world. An atmospheric retro-3D horror adventure.
- 4
A Chamber of Stars
Single-player alternative to Complex 629 — playable solo, no multiplayer required. Shares Adventure and RPG with Complex 629.
The rise and fall of a rock n' roll star.
- 5
Barbotine
Single-player alternative to Complex 629 — playable solo, no multiplayer required. Shares Adventure with Complex 629.
An atmospheric horror micro-game that touches on topics of anxiety, isolation, body image and obsessive habits with a surreal PSX aesthetic.
- 6
Transient: Extended Edition
Single-player alternative to Complex 629 — playable solo, no multiplayer required. Shares Adventure with Complex 629.
H.P. Lovecraft meets Cyberpunk. Delve deep into a dystopian world and investigate what is happening to you and your friends in a domed city. Solve puzzles, hack systems and plug in to explore other dimensions. Discover a truth that might tear apart your sanity and question your very existence.
- 7
No one lives under the lighthouse Director's cut
Single-player alternative to Complex 629 — playable solo, no multiplayer required. Shares Adventure with Complex 629.
A slow burn retro horror game, in which you arrive at the old lighthouse on a small island near the coast of the United States. After the previous keeper has gone missing, you need to take over his duties and watch after the light.
- 8
EMOTIONLESS : The Last Ticket
Single-player alternative to Complex 629 — playable solo, no multiplayer required. Shares Adventure with Complex 629.
Step into a liminal, cosmic horror experience set in an abandoned amusement park. Uncover the haunting narrative behind its twisted rides and empty tunnels to discover what lurks within a reality that shouldn't exist…