Games like Sweeper
Games like Sweeper include Balatro, Nubby's Number Factory, Loop Hero, Slay the Spire 2, and Stoneshard. We matched them by the tags players give Sweeper on Steam (Strategy, Roguelike, 2D, Surreal, and Choices Matter): closest matches first, and among equally close ones the better-known games.

Balatro
Shared: Roguelike · Strategy · Deckbuilding

Nubby's Number Factory
Shared: Strategy · Roguelike · Surreal

Loop Hero
Shared: Roguelike · Deckbuilding · Pixel Graphics

Slay the Spire 2
Shared: Roguelike · Strategy · Deckbuilding

Stoneshard
Shared: Roguelike · Strategy · Pixel Graphics

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

Slay the Spire
Shared: Roguelike · Strategy · Deckbuilding

The Binding of Isaac: Rebirth
Shared: Roguelike · Indie · Pixel Graphics

FTL: Faster Than Light
Shared: Roguelike · Strategy · Indie

Luck be a Landlord
Shared: Strategy · Deckbuilding · Roguelike

Backpack Hero
Shared: 2D · Roguelike · Strategy

Peglin
Shared: Roguelike · Strategy · Deckbuilding

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

Ballionaire
Shared: 2D · Roguelike · Strategy

Slots & Daggers
Shared: Strategy · Roguelike · 2D

Inscryption
Shared: Deckbuilding · Roguelike · Strategy

Vampire Survivors
Shared: 2D · Roguelike · Pixel Graphics

Die in the Dungeon
Shared: Strategy · Roguelike · Deckbuilding

9 Kings
Shared: Strategy · Roguelike · Deckbuilding

Skul: The Hero Slayer
Shared: Roguelike · 2D · Indie

Undertale
Shared: Choices Matter · Pixel Graphics · 2D

Vault of the Void
Shared: Strategy · Choices Matter · Deckbuilding

Dungeon of the ENDLESS™
Shared: Strategy · Roguelike · Pixel Graphics

Dungeons & Degenerate Gamblers
Shared: Roguelike · Strategy · Deckbuilding