Single-player games like Physical Layer
Below are 8 single-player Steam games similar to Physical Layer, 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 Physical Layer page.
Ranked picks
- 1

Cosmo Player Z
Single-player alternative to Physical Layer — playable solo, no multiplayer required. Shares Action and Indie with Physical Layer.
A Sci-Fi action game for a single player bringing you to fight rebellions, level up your character and choose new skills, dress up your character in the epic space wars.
- 2

PolyBoost
Single-player alternative to Physical Layer — playable solo, no multiplayer required. Shares Action and Indie with Physical Layer.
Do you like a challenge? We offer you one! 100 handcrafted levels where you can prove your skills. Will you be the fastest? Test your skills against all other players with our global leaderboards.
- 3

Crystal Breaker
Single-player alternative to Physical Layer — playable solo, no multiplayer required. Shares Action and Indie with Physical Layer.
Shoot the enemy at close range! Crystal Breaker is a vertically scrolling shmup that focuses on close range attack.
- 4

Haneda Girl
Single-player alternative to Physical Layer — playable solo, no multiplayer required. Shares Action and Indie with Physical Layer.
Haneda Girl is an action-platformer game with brutal and frantic action. Clean stages swapping between two playable characters. Bullets or Slashes, your choice, but be creative. A wide variety of ways to solve each encounter are at your disposal. Dance the waltz of destruction, end the threat.
- 5

CosmoDreamer
Single-player alternative to Physical Layer — playable solo, no multiplayer required. Shares Action with Physical Layer.
From the popular free game "Outside" comes a dreamy and cute barrage shmups. The visuals are colorful, cute and fantastic, and the game features active gameplay.
- 6

Gel-Tank
Single-player alternative to Physical Layer — playable solo, no multiplayer required. Shares Action with Physical Layer.
Casual but profound! Simple, authentic 16-bit 2D style that will satisfy everyone from beginners to experts The action shooter is here! Dive into the soft and hard world of the ultimate 16-bit world, down to the resolution! Ugh!
- 7

COGEN: Sword of Rewind / COGEN: 大鳥こはくと刻の剣
Single-player alternative to Physical Layer — playable solo, no multiplayer required. Shares Action with Physical Layer.
Rewind, rethink, redo. COGEN is a brand-new kind of 2D action game where there's no time for death.
- 8

Vox Machinae
Single-player alternative to Physical Layer — playable solo, no multiplayer required. Shares Action and Indie with Physical Layer.
Strap yourself into the cockpit of a robot seven times taller than a Tyrannosaurus Rex and prepare to do battle in Vox Machinae: the ultimate giant robot combat action-simulator for both VR and standard screens.