Games like Project Survivor
Games like Project Survivor include Skul: The Hero Slayer, Vampire Survivors, Rogue Legacy, Dead Cells, and Risk of Rain (2013). We matched them by the tags players give Project Survivor on Steam (Action, Casual, Action Roguelike, Beat 'em up, and Platformer): closest matches first, and among equally close ones the better-known games.
Skul: The Hero Slayer
Shared: Action · Action Roguelike · Roguelike
Vampire Survivors
Shared: Action Roguelike · Casual · Pixel Graphics
Rogue Legacy
Shared: Action · Platformer · Action Roguelike
Dead Cells
Shared: Action Roguelike · Roguelike · 2D
Risk of Rain (2013)
Shared: Action Roguelike · Action · Roguelike
BlazBlue Entropy Effect
Shared: Action · Action Roguelike · Platformer
Broforce
Shared: Action · Platformer · Pixel Graphics
Enter the Gungeon
Shared: Action Roguelike · Roguelike · Pixel Graphics
Megabonk
Shared: Action Roguelike · Roguelike · Action
Dungreed
Shared: Action Roguelike · Action · Roguelike
The Binding of Isaac: Rebirth
Shared: Action Roguelike · Roguelike · Pixel Graphics
Nuclear Throne
Shared: Action Roguelike · Roguelike · Action
Death Must Die
Shared: Action Roguelike · Action · Pixel Graphics
Hero Siege
Shared: Action Roguelike · Pixel Graphics · Action
Desktop Survivors 98
Shared: Action · Action Roguelike · Casual
Hades
Shared: Action Roguelike · Action · Roguelike
Halls of Torment
Shared: Action Roguelike · Action · Roguelike
Wizard of Legend
Shared: Action Roguelike · Action · Roguelike
Rocket Rats
Shared: Action Roguelike · Casual · Action
Downwell
Shared: Action Roguelike · Action · Platformer
Spelunky
Shared: Action Roguelike · Platformer · Roguelike
The Binding of Isaac
Shared: Action Roguelike · Roguelike · Action
BALL x PIT
Shared: Action · Action Roguelike · Roguelike
Katana ZERO
Shared: Action · Platformer · Pixel Graphics