Games like Relentless Impetus
Games like Relentless Impetus include Fallout 4, Far Cry® 6, Far Cry® 5, Deep Rock Galactic, and S.T.A.L.K.E.R. 2: Heart of Chornobyl - Standard Edition. We matched them by the tags players give Relentless Impetus on Steam (Boomer Shooter, Exploration, FPS, PvE, and Shooter): closest matches first, and among equally close ones the better-known games.

Fallout 4
Shared: Exploration · Post-apocalyptic · Shooter

Far Cry® 6
Shared: FPS · Shooter · Action-Adventure

Far Cry® 5
Shared: FPS · Action-Adventure · Exploration

Deep Rock Galactic
Shared: FPS · PvE · Exploration

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

Metro Exodus
Shared: FPS · Post-apocalyptic · Action

Counter-Strike 2
Shared: FPS · Shooter · Action

Left 4 Dead 2
Shared: FPS · Shooter · Zombies

Half-Life 2
Shared: FPS · Action · Shooter

Call of Duty®: Black Ops III
Shared: FPS · Shooter · First-Person

BioShock Infinite
Shared: FPS · Shooter · Action

METRO 2033 Redux
Shared: FPS · Post-apocalyptic · Shooter

METRO Last Light Redux
Shared: FPS · Post-apocalyptic · Action

Aimlabs
Shared: FPS · Shooter · First-Person

Black Mesa
Shared: FPS · Shooter · Action

Fallout: New Vegas
Shared: Exploration · Post-apocalyptic · FPS

Echo Point Nova
Shared: FPS · Exploration · Shooter

Resident Evil Requiem
Shared: FPS · Action · First-Person

Serious Sam: Siberian Mayhem
Shared: Boomer Shooter · Shooter · Action

CULTIC
Shared: Boomer Shooter · FPS · Shooter

Call of Duty®
Shared: FPS · Shooter · Action

BRAZILIAN DRUG DEALER 3: I OPENED A PORTAL TO HELL IN THE FAVELA TRYING TO REVIVE MIT AIA I NEED TO CLOSE IT
Shared: Boomer Shooter · FPS · Shooter

S.T.A.L.K.E.R.: Shadow of Chornobyl - Enhanced Edition
Shared: Exploration · FPS · Shooter

DOOM Eternal
Shared: FPS · Action · Shooter