Games like Psi Project: Legacy
Games like Psi Project: Legacy include DOOM Eternal, Hotline Miami, Serious Sam 4, Prodeus, and Aimlabs. We matched them by the tags players give Psi Project: Legacy on Steam (Action, Adventure, Indie, Simulation, and Gore): closest matches first, and among equally close ones the better-known games.
DOOM Eternal
Shared: Action · Gore · FPS
Hotline Miami
Shared: Action · Indie · Violent
Serious Sam 4
Shared: Action · Gore · Adventure
Prodeus
Shared: Action · Gore · Indie
Aimlabs
Shared: Action · Simulation · FPS
Hotline Miami 2: Wrong Number
Shared: Action · Gore · Violent
KovaaK's
Shared: Action · Simulation · Indie
My Friend Pedro
Shared: Action · Indie · Gore
Maximum Action
Shared: Action · Gore · Indie
Bulletstorm: Full Clip Edition
Shared: Action · Adventure · Gore
DOOM
Shared: Action · Gore · FPS
Necromunda: Hired Gun
Shared: Action · Adventure · Gore
Bright Memory: Infinite
Shared: Action · Indie · FPS
DOKA 2 KISHKI EDITION
Shared: Action · Gore · Indie
Turbo Overkill
Shared: Action · FPS · Indie
BioShock Infinite
Shared: Action · Adventure · Shooter
Wolfenstein II: The New Colossus
Shared: Action · Gore · FPS
Ready or Not
Shared: FPS · Shooter · Action
Survival Zombies The Inverted Evolution
Shared: Action · Adventure · Indie
GoreBox
Shared: Gore · Violent · FPS
Trepang2
Shared: Action · Gore · Shooter
Serious Sam Fusion 2017 (beta)
Shared: Action · Gore · Indie
SUPERHOT
Shared: Action · Indie · FPS
The Citadel
Shared: Gore · Indie · Retro