Games like OneShot Challenge
Games like OneShot Challenge include Hades, Vampire Survivors, Skul: The Hero Slayer, Megabonk, and Halls of Torment. We matched them by the tags players give OneShot Challenge on Steam (Action Roguelike, Roguelite, Roguelike, Top-Down, and Indie): closest matches first, and among equally close ones the better-known games.

Hades
Shared: Action Roguelike · Roguelite · Indie

Vampire Survivors
Shared: Action Roguelike · Roguelite · Indie

Skul: The Hero Slayer
Shared: Action Roguelike · Indie · Roguelike

Megabonk
Shared: Action Roguelike · Roguelike · Roguelite

Halls of Torment
Shared: Action Roguelike · Roguelite · Roguelike

Dead Cells
Shared: Roguelike · Action Roguelike · Roguelite

Hades II
Shared: Roguelite · Roguelike · Action Roguelike

Risk of Rain 2
Shared: Action Roguelike · Roguelike · Roguelite

Gunfire Reborn
Shared: Roguelite · Roguelike · Action Roguelike

BALL x PIT
Shared: Roguelite · Action Roguelike · Action

Enter the Gungeon
Shared: Action Roguelike · Roguelike · Indie

Nuclear Throne
Shared: Action Roguelike · Roguelike · Indie

Hero Siege
Shared: Action Roguelike · Roguelike · Hack and Slash

暖雪 Warm Snow
Shared: Action Roguelike · Roguelite · Roguelike

The Binding of Isaac
Shared: Action Roguelike · Roguelike · Indie

Magicraft
Shared: Action Roguelike · Roguelite · Roguelike

The Binding of Isaac: Rebirth
Shared: Action Roguelike · Roguelike · Indie

Death Must Die
Shared: Action Roguelike · Roguelite · Roguelike

Streets of Rogue
Shared: Action Roguelike · Roguelite · Roguelike

Cinderia
Shared: Action Roguelike · Roguelite · Roguelike

Ravenswatch
Shared: Action Roguelike · Roguelike · Roguelite

Moonlighter
Shared: Roguelite · Action Roguelike · Roguelike

Soulstone Survivors
Shared: Action Roguelike · Roguelite · Roguelike

UnderMine
Shared: Action Roguelike · Roguelite · Indie