Games like Zimmer
Games like Zimmer include Hades, Moonlighter, The Binding of Isaac: Rebirth, Hades II, and UnderMine. We matched them by the tags players give Zimmer on Steam (Action Roguelike, Procedural Generation, 8-bit Music, Perma Death, and Pixel Graphics): closest matches first, and among equally close ones the better-known games.
Hades
Shared: Action Roguelike · Hack and Slash · Roguelite
Moonlighter
Shared: Pixel Graphics · Action Roguelike · Hack and Slash
The Binding of Isaac: Rebirth
Shared: Action Roguelike · Pixel Graphics · Dungeon Crawler
Hades II
Shared: Action Roguelike · Hack and Slash · Roguelike
UnderMine
Shared: Action Roguelike · Pixel Graphics · Dungeon Crawler
Vampire Survivors
Shared: Action Roguelike · Pixel Graphics · Roguelite
Death Must Die
Shared: Action Roguelike · Pixel Graphics · RPG
Heroes of Hammerwatch II
Shared: Action Roguelike · RPG · Dungeon Crawler
Children of Morta
Shared: Action Roguelike · Pixel Graphics · Hack and Slash
Dead Cells
Shared: Action Roguelike · Pixel Graphics · Roguelike
Noita
Shared: Pixel Graphics · Dungeon Crawler · Roguelike
The Binding of Isaac
Shared: Action Roguelike · Procedural Generation · Roguelike
Wizard of Legend
Shared: Action Roguelike · Pixel Graphics · Dungeon Crawler
Skul: The Hero Slayer
Shared: Action Roguelike · Pixel Graphics · Indie
Hero Siege
Shared: Action Roguelike · Pixel Graphics · Hack and Slash
Heroes of Hammerwatch
Shared: Action Roguelike · Pixel Graphics · Dungeon Crawler
Delver
Shared: Action Roguelike · Dungeon Crawler · Pixel Graphics
Dungeon Souls
Shared: Action Roguelike · Pixel Graphics · RPG
Halls of Torment
Shared: Action Roguelike · Pixel Graphics · Roguelite
Mortal Sin
Shared: Action Roguelike · Dungeon Crawler · Hack and Slash
Dungreed
Shared: Action Roguelike · Pixel Graphics · Roguelike
Streets of Rogue
Shared: Action Roguelike · Pixel Graphics · RPG
Ember Knights
Shared: Action Roguelike · Pixel Graphics · Dungeon Crawler
Legend of Dungeon
Shared: Action Roguelike · Dungeon Crawler · Pixel Graphics