Single-player games like PARALLEL RIFT
Below are 14 single-player Steam games similar to PARALLEL RIFT, 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 PARALLEL RIFT page.
Ranked picks
- 1

Leap of Phase: Samantha
Single-player alternative to PARALLEL RIFT — playable solo, no multiplayer required. Shares Action and Indie with PARALLEL RIFT.
You thought it would be the chance of a lifetime when tech giant IRT hired you to work in their new testing facility. But now… you’re a guinea pig for experimental teleporting technology and suspect that something is wrong with this company. Very wrong...
- 2

4ife
Single-player alternative to PARALLEL RIFT — playable solo, no multiplayer required. Shares Action and Indie with PARALLEL RIFT.
You have to overcome the challenging tasks you have to do in order to return from the parallel universe you are sent to to your own universe. But remember this: Returning home will not be as easy as you think. Find the portals and collect ancient coins.
- 3

Superliminal
Single-player alternative to PARALLEL RIFT — playable solo, no multiplayer required. Shares Action and Adventure with PARALLEL RIFT.
Perception is reality. In this mind-bending first-person puzzler, you escape a surreal dream world through solving impossible puzzles using the ambiguity of depth and perspective.
- 4

Viewfinder
Single-player alternative to PARALLEL RIFT — playable solo, no multiplayer required. Shares Indie and Adventure with PARALLEL RIFT.
Challenge perception, redefine reality, and reshape the world around you with an instant camera. Viewfinder is a new single player game offering gamers hours of interesting and fun experiences while uncovering the mysteries left behind.
- 5

Portal 2
Single-player alternative to PARALLEL RIFT — playable solo, no multiplayer required. Shares Action and Adventure with PARALLEL RIFT.
The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!
- 6

Supraland
Single-player alternative to PARALLEL RIFT — playable solo, no multiplayer required. Shares Action and Indie with PARALLEL RIFT.
Try the demo! A mix between Portal, Zelda and Metroid. Exploration, puzzles, terrible combat, secret upgrades and new abilities that help you reach new places. Playtime 12-25h.
- 7

The Ball
Single-player alternative to PARALLEL RIFT — playable solo, no multiplayer required. Shares Action and Indie with PARALLEL RIFT.
As a swashbuckling archaeologist, unlock the mystery of the ancient ruins that have been hidden for centuries and discover a mysterious artifact, a gold and metal shelled Ball.
- 8

Portal
Single-player alternative to PARALLEL RIFT — playable solo, no multiplayer required. Shares Action with PARALLEL RIFT.
Portal™ is a new single player game from Valve. Set in the mysterious Aperture Science Laboratories, Portal has been called one of the most innovative new games on the horizon and will offer gamers hours of unique gameplay.
- 9

傀儡の宿 - Kairai Inn -
Single-player alternative to PARALLEL RIFT — playable solo, no multiplayer required. Shares Action and Indie with PARALLEL RIFT.
A score-attack action game where you aim for high scores by subduing dangerous "kairai."
- 10

傀儡禁域
Single-player alternative to PARALLEL RIFT — playable solo, no multiplayer required. Shares Action with PARALLEL RIFT.
不気味なフロアを探索し、おぞましい異形からの生存を目指すアクションホラー
- 11

The Contact
Single-player alternative to PARALLEL RIFT — playable solo, no multiplayer required. Shares Indie with PARALLEL RIFT.
"Fascinated by the cryptic message 'Find 090-■■■■-■■■■ https://■■■■■■■■■■,' you decide to embark on a journey to the specified location. Armed with a phone number and coordinates, you embark on a quest to uncover 'it,' experiencing a quiet sense of dread in this walking simulator."
- 12

CORPSE58
Single-player alternative to PARALLEL RIFT — playable solo, no multiplayer required. Shares Action and Indie with PARALLEL RIFT.
"CORPSE-58" is a slow-motion bullet hell shooting game by UnderDoor. Players become human weapons created through clone and genetic engineering technologies, tasked with destroying former allies turned into 'corpses'.
- 13

Fallen Depths
Single-player alternative to PARALLEL RIFT — playable solo, no multiplayer required. Shares Action and Indie with PARALLEL RIFT.
"Explore a building that has become a den of monsters and recover crucial documents." Fallen Depths is a roguelike action horror game where you navigate procedurally generated maps and aim to reach the top floor. Use logical strategies to overcome grotesque monsters.
- 14

飢界
Single-player alternative to PARALLEL RIFT — playable solo, no multiplayer required. Shares Action and Indie with PARALLEL RIFT.
『飢界』は不気味な異界を探索し、脱出を目指すホラーゲーム。異界の住人に食べられてはいけません...。