Games like SwapOut
Games like SwapOut include Deadzone: Rogue, Crab Champions, Risk of Rain 2, Left 4 Dead 2, and Roboquest. We matched them by the tags players give SwapOut on Steam (Action Roguelike, Perma Death, Shooter, PvE, and Roguelike): closest matches first, and among equally close ones the better-known games.
Deadzone: Rogue
Shared: Roguelike · PvE · Shooter
Crab Champions
Shared: Action Roguelike · Roguelike · 3D
Risk of Rain 2
Shared: Action Roguelike · Roguelike · Action
Left 4 Dead 2
Shared: Shooter · Action · Zombies
Roboquest
Shared: Action Roguelike · Shooter · Action
BioShock Infinite
Shared: Shooter · Action · First-Person
METRO 2033 Redux
Shared: Post-apocalyptic · Shooter · Action
The Last Stand: Aftermath
Shared: Action Roguelike · Shooter · Post-apocalyptic
Half-Life 2
Shared: Action · Shooter · First-Person
METRO Last Light Redux
Shared: Post-apocalyptic · Action · Shooter
Deep Rock Galactic: Rogue Core
Shared: Action Roguelike · PvE · Shooter
Deep Rock Galactic
Shared: PvE · Shooter · First-Person
Nuclear Throne
Shared: Action Roguelike · Roguelike · Action
World War Z
Shared: Shooter · Action · PvE
Hades
Shared: Action Roguelike · Roguelike · Action
Call of Duty®: Black Ops III
Shared: Shooter · Action · First-Person
Fallout 4
Shared: Shooter · Post-apocalyptic · First-Person
Ziggurat
Shared: Shooter · Action Roguelike · Action
Metro Exodus
Shared: Post-apocalyptic · Action · Shooter
KLETKA
Shared: PvE · First-Person · Action
Counter-Strike 2
Shared: Shooter · Action · First-Person
Killing Floor 3
Shared: PvE · Shooter · First-Person
Megabonk
Shared: Action Roguelike · Roguelike · Action
Risk of Rain (2013)
Shared: Action Roguelike · Roguelike · Action