Games like Moonsigil Atlas
Games like Moonsigil Atlas include Slay the Spire, Balatro, Backpack Hero, Slay the Spire 2, and Monster Train. We matched them by the tags players give Moonsigil Atlas on Steam (Roguelike Deckbuilder, Strategy, Replay Value, Choices Matter, and Building): closest matches first, and among equally close ones the better-known games.

Slay the Spire
Shared: Roguelike Deckbuilder · Card Battler · Strategy

Balatro
Shared: Roguelike Deckbuilder · Strategy · Replay Value

Backpack Hero
Shared: Replay Value · Roguelike Deckbuilder · Strategy

Slay the Spire 2
Shared: Strategy · Roguelike Deckbuilder · Deckbuilding

Monster Train
Shared: Card Battler · Deckbuilding · Strategy

Astrea: Six-Sided Oracles
Shared: Roguelike Deckbuilder · Card Battler · Strategy

LONESTAR
Shared: Strategy · Roguelike Deckbuilder · Card Battler

9 Kings
Shared: Strategy · Roguelike Deckbuilder · Deckbuilding

Dicey Dungeons
Shared: Roguelike Deckbuilder · Card Battler · Strategy

Die in the Dungeon
Shared: Strategy · Roguelike Deckbuilder · Deckbuilding

Shogun Showdown
Shared: Replay Value · Roguelike Deckbuilder · Strategy

Wildfrost
Shared: Roguelike Deckbuilder · Card Battler · Deckbuilding

Dungeons & Degenerate Gamblers
Shared: Roguelike Deckbuilder · Strategy · Card Battler

As We Descend
Shared: Roguelike Deckbuilder · Card Battler · Strategy

Griftlands
Shared: Card Battler · Choices Matter · Deckbuilding

Vault of the Void
Shared: Roguelike Deckbuilder · Strategy · Choices Matter

Commander Quest
Shared: Roguelike Deckbuilder · Strategy · Replay Value

Breachway
Shared: Strategy · Roguelike Deckbuilder · Deckbuilding

Gordian Quest
Shared: Strategy · Replay Value · Card Battler

Hadean Tactics
Shared: Roguelike Deckbuilder · Card Battler · Deckbuilding

Across the Obelisk
Shared: Roguelike Deckbuilder · Card Battler · Turn-Based Strategy

Monster Train 2
Shared: Roguelike Deckbuilder · Strategy · Deckbuilding

Yao-Guai Hunter
Shared: Roguelike Deckbuilder · Replay Value · Card Battler

RACCOIN: Coin Pusher Roguelike
Shared: Strategy · Roguelike Deckbuilder · Deckbuilding