Games like Project Dejavu
Games like Project Dejavu include Only Climb: Better Together, Grand Theft Auto V Legacy, Squirrel with a Gun, Ratchet & Clank: Rift Apart, and Crab Champions. We matched them by the tags players give Project Dejavu on Steam (Action, Third-Person Shooter, 3D Platformer, Arcade, and Bullet Hell): closest matches first, and among equally close ones the better-known games.

Only Climb: Better Together
Shared: 3D Platformer · Arcade · Platformer

Grand Theft Auto V Legacy
Shared: Action · Third-Person Shooter · Shooter

Squirrel with a Gun
Shared: Action · Third-Person Shooter · 3D Platformer

Ratchet & Clank: Rift Apart
Shared: 3D Platformer · Action · Third-Person Shooter

Crab Champions
Shared: Third-Person Shooter · Arcade · Bullet Hell

Saints Row: The Third
Shared: Action · Third-Person Shooter · Character Customization

HELLDIVERS™ 2
Shared: Third-Person Shooter · Action · Shooter

Warframe
Shared: Third-Person Shooter · Action · Third Person

Neon White
Shared: 3D Platformer · Action · Platformer

PUBG: BATTLEGROUNDS
Shared: Third-Person Shooter · Shooter · Action

Just Cause™ 3
Shared: Action · Third-Person Shooter · Shooter

Akimbot
Shared: 3D Platformer · Action · Third-Person Shooter

Max Payne 3
Shared: Action · Third-Person Shooter · Shooter

s&box
Shared: Action · 3D Platformer · Shooter

Miner Ultra Adventures 2
Shared: 3D Platformer · Third-Person Shooter · Arcade

The Mean Greens - Plastic Warfare
Shared: Action · Third-Person Shooter · Shooter

Disney Speedstorm
Shared: Action · Arcade · Driving

Saints Row The Third Remastered
Shared: Action · Third-Person Shooter · Shooter

Spark the Electric Jester 3
Shared: Action · 3D Platformer · Platformer

Risk of Rain 2
Shared: Third-Person Shooter · Action · Shooter

ALTF4
Shared: 3D Platformer · Action · Arcade

Broforce
Shared: Action · Platformer · Shooter

Just Cause 2
Shared: Action · Third-Person Shooter · Shooter

Marvel Rivals
Shared: Third-Person Shooter · Action · Shooter