Games like Relash
Games like Relash include SUPERHOT, Portal, Quantum Break, Defy Gravity Extended, and Stray. We matched them by the tags players give Relash on Steam (Puzzle, Action, Time Manipulation, Sci-fi, and Casual): closest matches first, and among equally close ones the better-known games.

SUPERHOT
Shared: Action · Time Manipulation · Puzzle

Portal
Shared: Puzzle · Sci-fi · Action

Quantum Break
Shared: Action · Time Manipulation · Sci-fi

Defy Gravity Extended
Shared: Puzzle · Action · Indie

Stray
Shared: Puzzle · Cyberpunk · Singleplayer

Planet of Lana
Shared: Action · Puzzle · Puzzle Platformer

Monument Valley 2
Shared: Puzzle · Action · Casual

Portal 2
Shared: Puzzle · Singleplayer · Action

Warhammer 40,000: Space Marine 2
Shared: Action · Third Person · Sci-fi

STAR WARS Jedi: Survivor™
Shared: Action · Sci-fi · Third Person

Predecessor
Shared: Action · Third Person · Sci-fi

Rise of the Tomb Raider™
Shared: Action · Third Person · Puzzle

Tomb Raider Game of the Year
Shared: Action · Third Person · Singleplayer

ARMORED CORE™ VI FIRES OF RUBICON™
Shared: Action · Third Person · Sci-fi

Braid
Shared: Puzzle · Time Manipulation · Puzzle Platformer

SUPERHOT VR
Shared: Puzzle · Time Manipulation · Action

Warhammer 40,000: Space Marine - Anniversary Edition
Shared: Action · Sci-fi · Third Person

COCOON
Shared: Puzzle · 3D · Indie

Deliver Us The Moon
Shared: Action · Sci-fi · Puzzle

Cyberpunk 2077
Shared: Cyberpunk · Sci-fi · Singleplayer

Remember Me
Shared: Action · Sci-fi · Cyberpunk

STAR WARS™ - The Force Unleashed™ Ultimate Sith Edition
Shared: Action · Sci-fi · Third Person

We Love Katamari REROLL+ Royal Reverie
Shared: Action · 3D · Third Person

Half-Life 2
Shared: Action · Sci-fi · Singleplayer