Games like Martian Potato
Games like Martian Potato include BioShock Infinite, PUBG: BATTLEGROUNDS, Fallout 4, S.T.A.L.K.E.R. 2: Heart of Chornobyl - Standard Edition, and Far Cry 3. We matched them by the tags players give Martian Potato on Steam (Action, RPG, Indie, Adventure, and FPS): closest matches first, and among equally close ones the better-known games.

BioShock Infinite
Shared: Action · FPS · RPG

PUBG: BATTLEGROUNDS
Shared: Shooter · Action · FPS

Fallout 4
Shared: RPG · Adventure · Singleplayer

S.T.A.L.K.E.R. 2: Heart of Chornobyl - Standard Edition
Shared: FPS · RPG · Shooter

Far Cry 3
Shared: Action · FPS · Adventure

Half-Life 2
Shared: Action · FPS · Adventure

Remnant: From the Ashes
Shared: Action · RPG · Adventure

Far Cry® 4
Shared: Action · FPS · Adventure

Counter-Strike 2
Shared: Action · FPS · Shooter

SUPERHOT
Shared: Action · FPS · Indie

Atomic Heart
Shared: Action · Adventure · FPS

Fallout: New Vegas
Shared: RPG · Action · Singleplayer

Borderlands 2
Shared: Action · Shooter · RPG

ORION: Prelude
Shared: Action · FPS · Adventure

Ready or Not
Shared: FPS · Shooter · Action

Black Mesa
Shared: Action · FPS · Shooter

Rust
Shared: Survival · Adventure · Action

Borderlands 3
Shared: RPG · FPS · Action

BPM: BULLETS PER MINUTE
Shared: Action · FPS · Indie

Far Cry® Primal
Shared: Action · Adventure · Survival

KovaaK's
Shared: Action · Indie · FPS

Freeman: Guerrilla Warfare
Shared: Action · RPG · FPS

S.T.A.L.K.E.R.: Shadow of Chornobyl - Enhanced Edition
Shared: Action · RPG · Adventure

Left 4 Dead 2
Shared: FPS · Action · Shooter