Single-player games like INTERNULL
Below are 8 single-player Steam games similar to INTERNULL, 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 INTERNULL page.
Ranked picks
- 1
The Visitor Effect: Not an experiment
Single-player alternative to INTERNULL — playable solo, no multiplayer required. Shares Indie with INTERNULL.
What if your whole world was a lie? Solve clever puzzles and face incredible challenges to escape the faulty simulation that keeps you captive. Question reality and unravel a dark conspiracy while dodging security systems in this innovative puzzle-strategy adventure.
- 2
At Eternity's Hatch
Single-player alternative to INTERNULL — playable solo, no multiplayer required. Shares Indie with INTERNULL.
Stranded at sea in an alternate timeline, you must master a complex time travel system to find a way home while piecing together the mystery of an obsessed captain and his quest that led him to the Greenland Sea in search of a supernatural anomaly.
- 3
All That Time
Single-player alternative to INTERNULL — playable solo, no multiplayer required. Shares Indie with INTERNULL.
All That Time is a psychological horror experience where you explore unstable dreamlike memories, solve environmental puzzles, and uncover fragmented lives inside a collapsing liminal system.
- 4
FERALPALS
Single-player alternative to INTERNULL — playable solo, no multiplayer required. Shares Indie with INTERNULL.
Feralpals is a chapter-based mascot horror game. Humanity was wiped out by a pathogen linked to Friendly Pals, genetically engineered creatures, granted human-like intelligence to serve mankind’s ambitions. The Pals are now left behind, imitating their creators' society long after humanity vanished.
- 5
Cosmic Fear
Single-player alternative to INTERNULL — playable solo, no multiplayer required. Shares Indie with INTERNULL.
You’ve discovered evidence of a cosmic presence influencing humanity since its origins. Now something born in the depths of the cosmos is calling again. Investigate, uncover forbidden knowledge and survive a disturbing first person Lovecraftian horror adventure.
- 6
Unedited Footage: The Abandoned Factory
Single-player alternative to INTERNULL — playable solo, no multiplayer required. Shares Indie with INTERNULL.
YouTuber Junho enters an abandoned factory at night to film his next video. The footage from that night is never uploaded. Explore the dark, three-story factory, complete the shoot, and uncover its secrets in this first-person psychological horror game.
- 7
Through The Fragmentation
Single-player alternative to INTERNULL — playable solo, no multiplayer required. Shares Indie with INTERNULL.
Atmospheric first person adventure game focusing on immersion and exploration. Meet strange characters, discover secrets and try to unfold the mystery of the Fragmentation.
- 8
oneway.exe: Module 1.0
Single-player alternative to INTERNULL — playable solo, no multiplayer required. Shares Indie with INTERNULL.
You’re stuck inside an abandoned video game, haunted by its own digital decay. In oneway.exe, uncover the mystery of UNTITLED.exe, its three developers, and the evolving Internet eras that once shaped their love. How does your story end? How did it ever begin?