Games like Threshold Warden
Games like Threshold Warden include Vampire Survivors, Skul: The Hero Slayer, BALL x PIT, Halls of Torment, and Megabonk. We matched them by the tags players give Threshold Warden on Steam (Action, Arcade, Action Roguelike, 2D Platformer, and Side Scroller): closest matches first, and among equally close ones the better-known games.
Vampire Survivors
Shared: Action Roguelike · Roguelite · Pixel Graphics
Skul: The Hero Slayer
Shared: Action · Action Roguelike · Pixel Graphics
BALL x PIT
Shared: Action · Arcade · Roguelite
Halls of Torment
Shared: Action Roguelike · Roguelite · Action
Megabonk
Shared: Action Roguelike · Roguelite · Action
Dead Cells
Shared: Action Roguelike · Roguelite · 2D
SANABI
Shared: Action · 2D Platformer · Pixel Graphics
Terminator 2D: NO FATE
Shared: Arcade · 2D Platformer · Action
Anomaly Agent
Shared: 2D Platformer · Action Roguelike · Side Scroller
Dungreed
Shared: Action Roguelike · Action · Roguelite
Downwell
Shared: Action Roguelike · Arcade · Action
Rogue Legacy
Shared: Action · Action Roguelike · 2D
Rogue Legacy 2
Shared: Arcade · Action · Roguelite
30XX
Shared: Action Roguelike · 2D Platformer · Side Scroller
20XX
Shared: Action · Action Roguelike · 2D Platformer
BlazBlue Entropy Effect
Shared: Action · Action Roguelike · 2D
Death Must Die
Shared: Action Roguelike · Roguelite · Action
Boneraiser Minions
Shared: Action Roguelike · Roguelite · Pixel Graphics
Broforce
Shared: Action · Pixel Graphics · 2D
Hades
Shared: Action Roguelike · Action · Roguelite
The Binding of Isaac: Rebirth
Shared: Action Roguelike · Pixel Graphics · 2D
Alex Jones: NWO Wars
Shared: Action · Arcade · 2D Platformer
Teenage Mutant Ninja Turtles: Shredder's Revenge
Shared: Side Scroller · Arcade · Pixel Graphics
METAL SLUG
Shared: Action · Arcade · Side Scroller