Games like Refidenptio
Games like Refidenptio include Warhammer 40,000: Boltgun, CULTIC, Project Warlock, Prodeus, and HROT. We matched them by the tags players give Refidenptio on Steam (Boomer Shooter, Action, Psychedelic, Retro, and Pixel Graphics): closest matches first, and among equally close ones the better-known games.

Warhammer 40,000: Boltgun
Shared: Boomer Shooter · Retro · Action

CULTIC
Shared: Boomer Shooter · Action · FPS

Project Warlock
Shared: Boomer Shooter · Retro · Action

Prodeus
Shared: Boomer Shooter · Retro · Action

HROT
Shared: Boomer Shooter · Retro · Action

Turbo Overkill
Shared: Boomer Shooter · Action · FPS

POSTAL: Brain Damaged
Shared: Action · Boomer Shooter · Pixel Graphics

DUSK
Shared: Boomer Shooter · Retro · FPS

Forgive Me Father
Shared: Boomer Shooter · Action · FPS

Selaco
Shared: Boomer Shooter · Action · FPS

DOOM + DOOM II
Shared: Action · Boomer Shooter · FPS

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

DOOM 64
Shared: Action · Retro · FPS

Counter-Strike 2
Shared: Action · FPS · Shooter

Devil Daggers
Shared: Action · FPS · Retro

Nightmare Reaper
Shared: Boomer Shooter · Retro · FPS

BioShock Infinite
Shared: Action · FPS · Shooter

AMID EVIL
Shared: Boomer Shooter · FPS · Psychedelic

Hotline Miami
Shared: Action · Pixel Graphics · Retro

Ion Fury
Shared: Boomer Shooter · Retro · FPS

MOUSE: P.I. For Hire
Shared: Action · Boomer Shooter · FPS

ULTRAKILL
Shared: Boomer Shooter · FPS · Retro

DOOM
Shared: Action · FPS · Shooter

Half-Life 2
Shared: Action · FPS · Shooter