Games like Castellan
Games like Castellan include Balatro, Vampire Survivors, Loop Hero, Halls of Torment, and Vampire Crawlers: The Turbo Wildcard from Vampire Survivors. We matched them by the tags players give Castellan on Steam (Tower Defense, Roguelite, Deckbuilding, Pixel Graphics, and Action Roguelike): closest matches first, and among equally close ones the better-known games.
Balatro
Shared: Deckbuilding · Card Game · Pixel Graphics
Vampire Survivors
Shared: Roguelite · Action Roguelike · Pixel Graphics
Loop Hero
Shared: Deckbuilding · Pixel Graphics · Roguelite
Halls of Torment
Shared: Roguelite · Action Roguelike · Pixel Graphics
Vampire Crawlers: The Turbo Wildcard from Vampire Survivors
Shared: Deckbuilding · Pixel Graphics · Strategy
One Step From Eden
Shared: Roguelite · Deckbuilding · Action Roguelike
Necrosmith
Shared: Tower Defense · Roguelite · Action Roguelike
Slay the Spire
Shared: Deckbuilding · Roguelite · Card Game
Skul: The Hero Slayer
Shared: Pixel Graphics · Action Roguelike · Roguelite
Heretic's Fork
Shared: Tower Defense · Deckbuilding · Roguelite
Inscryption
Shared: Deckbuilding · Roguelite · Card Game
Slay the Spire 2
Shared: Deckbuilding · Card Game · Strategy
Death Must Die
Shared: Roguelite · Action Roguelike · Pixel Graphics
The King is Watching
Shared: Tower Defense · Dark Fantasy · Roguelite
Dead Cells
Shared: Pixel Graphics · Action Roguelike · Roguelite
Ratropolis
Shared: Deckbuilding · Roguelite · Strategy
UnderMine
Shared: Roguelite · Action Roguelike · Pixel Graphics
暖雪 Warm Snow
Shared: Roguelite · Action Roguelike · Deckbuilding
Cross Blitz
Shared: Roguelite · Deckbuilding · Pixel Graphics
Wall World
Shared: Roguelite · Tower Defense · Pixel Graphics
Hades
Shared: Roguelite · Action Roguelike · Action
Streets of Rogue
Shared: Roguelite · Pixel Graphics · Action Roguelike
Dungreed
Shared: Roguelite · Pixel Graphics · Action Roguelike
The Binding of Isaac: Rebirth
Shared: Action Roguelike · Pixel Graphics · Indie