Games like Negative Space
Games like Negative Space include Slay the Spire, Slay the Spire 2, Balatro, Inscryption, and Monster Train. We matched them by the tags players give Negative Space on Steam (Roguelike, Deckbuilding, Card Battler, Strategy, and Tactical): closest matches first, and among equally close ones the better-known games.

Slay the Spire
Shared: Roguelike · Card Battler · Deckbuilding

Slay the Spire 2
Shared: Roguelike · Deckbuilding · Strategy

Balatro
Shared: Roguelike · Deckbuilding · Card Game

Inscryption
Shared: Card Battler · Deckbuilding · Card Game

Monster Train
Shared: Card Battler · Deckbuilding · Roguelike

Dicey Dungeons
Shared: Deckbuilding · Card Battler · Roguelike

DICEOMANCER
Shared: Strategy · Card Battler · Deckbuilding

Loop Hero
Shared: Roguelike · Deckbuilding · Tactical

Vampire Crawlers: The Turbo Wildcard from Vampire Survivors
Shared: Card Battler · Deckbuilding · Roguelike

9 Kings
Shared: Roguelike · Strategy · Deckbuilding

Griftlands
Shared: Card Battler · Deckbuilding · Roguelite

FTL: Faster Than Light
Shared: Roguelike · Strategy · Sci-fi

Stacklands
Shared: Card Battler · Card Game · Roguelite

Wildfrost
Shared: Card Battler · Deckbuilding · Roguelike

天外武林 (Traveler of Wuxia)
Shared: Roguelike · Deckbuilding · Card Battler

Ratropolis
Shared: Deckbuilding · Card Battler · Strategy

Dungeons & Degenerate Gamblers
Shared: Roguelike · Strategy · Deckbuilding

Die in the Dungeon
Shared: Roguelike · Deckbuilding · Strategy

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

My Card Is Better Than Your Card!
Shared: Roguelike · Deckbuilding · Strategy

Super Fantasy Kingdom
Shared: Roguelike · Strategy · Deckbuilding

Tower Tactics: Liberation
Shared: Card Battler · Roguelike · Deckbuilding

Peglin
Shared: Roguelike · Deckbuilding · Roguelite

Touhou: Lost Branch of Legend
Shared: Roguelike · Card Battler · Strategy