Single-player games like The UNDA Legacy
Below are 8 single-player Steam games similar to The UNDA Legacy, 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 The UNDA Legacy page.
Ranked picks
- 1
Daemon: Lost in Memory
Single-player alternative to The UNDA Legacy — playable solo, no multiplayer required. Shares Indie with The UNDA Legacy.
You are an anomaly. A single, sentient data bit trapped deep within a collapsing, corrupted memory space.
- 2
Project Enceladus
Single-player alternative to The UNDA Legacy — playable solo, no multiplayer required. Shares Indie and Adventure with The UNDA Legacy.
A first-person puzzle-platformer psychological horror where you explore the fragmented mind of a murderer to uncover the truth behind a tragic space station massacre.
- 3
E.G.O. Software Suite
Single-player alternative to The UNDA Legacy — playable solo, no multiplayer required. Shares Indie with The UNDA Legacy.
E.G.O. Software Suite is a personal software suite created by Superego Inc.
- 4
The Millhaven Murders
Single-player alternative to The UNDA Legacy — playable solo, no multiplayer required. Shares Indie and Adventure with The UNDA Legacy.
A hand-drawn and story-rich deduction mystery set in 1887. Pearl Lundgren is dead and two men have been arrested for her murder, but the full truth remains to be discovered, and only you can piece it together.
- 5
Orbital Abyss: Cipher Division
Single-player alternative to The UNDA Legacy — playable solo, no multiplayer required. Shares Indie and Adventure with The UNDA Legacy.
Decipher interstellar transmissions encoded via substitution ciphers aboard Eremite Station. In this choice driven narrative, uncover secrets from planetary factions while conversing with crewmates to reveal their stories and troubles. The ripples of your choices may be felt throughout the galaxy.
- 6
May No One Be Left Behind
Single-player alternative to The UNDA Legacy — playable solo, no multiplayer required. Shares Indie and Adventure with The UNDA Legacy.
Welcome to the Sanatorium! Here we train the next generation of space pioneers! We're proud to welcome such an outstanding specialist to our ranks! A first-person psychological horror focused on atmosphere and storytelling. Solve puzzles and uncover the conspiracy behind The Global Government.
- 7
THANKS, LIGHT.
Single-player alternative to The UNDA Legacy — playable solo, no multiplayer required. Shares Indie and Adventure with The UNDA Legacy.
"THANKS, LIGHT." is a first-person puzzler where light reshapes physics and geometry — a glitch-laced mystery for the people who still keep a portal gun, a camera, and a perspective shift in their library.
- 8
Money Makes Money: Historical Market Simulator
Single-player alternative to The UNDA Legacy — playable solo, no multiplayer required. Shares Indie with The UNDA Legacy.
Travel through 2010–2025 and trade historical stocks and cryptocurrencies with the benefit of hindsight. Build a fortune, survive unexpected costs, and uncover the story behind it all.