Single-player games like Portal Time Traveller
Below are 8 single-player Steam games similar to Portal Time Traveller, 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 Portal Time Traveller page.
Ranked picks
- 1
Robabekya
Single-player alternative to Portal Time Traveller — playable solo, no multiplayer required. Shares Action and Indie with Portal Time Traveller.
You envision a futuristic open world where humans coexist with robots disguised in human-like skin. Powered by a dynamic, adaptive AI system, enemies learn from previous encounters, evolve their tactics, and grow more formidable with every battle.
- 2
Clockwork Revolution
Single-player alternative to Portal Time Traveller — playable solo, no multiplayer required. Shares Action and Adventure with Portal Time Traveller.
CHANGE THE PAST. CONTROL THE FUTURE. Alter the course of history and rewrite the future in this steampunk first-person RPG.
- 3
Humanity Lost
Single-player alternative to Portal Time Traveller — playable solo, no multiplayer required. Shares Action and Adventure with Portal Time Traveller.
Will you save humanity? You are on a mission to find a new planet for humans to inhabit. In this story driven FPS space opera you will explore open world planets, find weapons, upgrade your character, and befriend alien species.
- 4
The Ascent
Single-player alternative to Portal Time Traveller — playable solo, no multiplayer required. Shares Action and Indie with Portal Time Traveller.
The Ascent is a solo and co-op Action-shooter RPG set in a cyberpunk world. The mega corporation that owns you and everyone, The Ascent Group, has just collapsed. Can you survive without it?
- 5
Cybernetic Fault
Single-player alternative to Portal Time Traveller — playable solo, no multiplayer required. Shares Action and Indie with Portal Time Traveller.
Prove your ability to read names next to the big red buttons! Show your ability to fight for life in a science center that is falling apart from the consequences of an insane scientific experiment!
- 6
Chaos Chain
Single-player alternative to Portal Time Traveller — playable solo, no multiplayer required. Shares Action and Indie with Portal Time Traveller.
A dark cyberpunk RPG in a bleak dystopian future. Become a "freelancer" in the heart of Slade City, a sprawling urban nightmare of grimy asphalt and broken dreams where crime and disorder run rampant. - Stay Alert. Stay Armed. Stay Alive. Don't lose your humanity.
- 7
Borderlands 4
Single-player alternative to Portal Time Traveller — playable solo, no multiplayer required. Shares Action and Adventure with Portal Time Traveller.
Borderlands 4 is a mayhem-fueled looter shooter, jam-packed with billions of weapons, deadly enemies, and intense co-op action. Break free from a dangerous hidden planet as one of four new badass Vault Hunters.
- 8
Cyberpunk 2077
Single-player alternative to Portal Time Traveller — playable solo, no multiplayer required. Shares RPG with Portal Time Traveller.
Cyberpunk 2077 is an open-world, action-adventure RPG set in the dark future of Night City — a dangerous megalopolis obsessed with power, glamor, and ceaseless body modification.