Games like Choice Chamber
Games like Choice Chamber include Hades, Hades II, Skul: The Hero Slayer, Dead Cells, and Risk of Rain (2013). We matched them by the tags players give Choice Chamber on Steam (Action Roguelike, 2D Platformer, Hack and Slash, Roguelite, and Perma Death): closest matches first, and among equally close ones the better-known games.
Hades
Shared: Action Roguelike · Hack and Slash · Roguelite
Hades II
Shared: Hack and Slash · Roguelite · Action Roguelike
Skul: The Hero Slayer
Shared: Action Roguelike · Roguelite · Roguelike
Dead Cells
Shared: Action Roguelike · Roguelike · Roguelite
Risk of Rain (2013)
Shared: Action Roguelike · Roguelike · Platformer
Spiritfall
Shared: Action Roguelike · 2D Platformer · Roguelite
Anomaly Agent
Shared: 2D Platformer · Action Roguelike · Hack and Slash
30XX
Shared: Action Roguelike · 2D Platformer · Roguelite
Caveblazers
Shared: Action Roguelike · Roguelite · 2D Platformer
Noita
Shared: Difficult · Roguelike · Action Roguelike
Have a Nice Death
Shared: Action Roguelike · Hack and Slash · 2D Platformer
The Binding of Isaac: Rebirth
Shared: Action Roguelike · Roguelike · Difficult
Spelunky 2
Shared: 2D Platformer · Platformer · Difficult
Vampire Survivors
Shared: Action Roguelike · Roguelite · Roguelike
Spelunky
Shared: Action Roguelike · Platformer · Roguelike
Death Must Die
Shared: Action Roguelike · Roguelite · Hack and Slash
Rogue Legacy
Shared: Action Roguelike · Platformer · Roguelike
Dungreed
Shared: Action Roguelike · Roguelite · Roguelike
20XX
Shared: Action Roguelike · 2D Platformer · Platformer
The Binding of Isaac
Shared: Action Roguelike · Roguelike · Difficult
Garden of Witches
Shared: Action Roguelike · Roguelite · Hack and Slash
Celeste
Shared: Difficult · 2D Platformer · Platformer
Hero Siege
Shared: Action Roguelike · Hack and Slash · RPG
Ravenswatch
Shared: Action Roguelike · Roguelike · Roguelite