Games like Right and Down
Games like Right and Down include Slay the Spire, Slay the Spire 2, Balatro, Monster Train, and Wildfrost. We matched them by the tags players give Right and Down on Steam (Roguelike, Roguelike Deckbuilder, Deckbuilding, Dungeon Crawler, and Card Game): closest matches first, and among equally close ones the better-known games.

Slay the Spire
Shared: Roguelike Deckbuilder · Roguelike · Card Game

Slay the Spire 2
Shared: Roguelike · Deckbuilding · Card Game

Balatro
Shared: Roguelike · Roguelike Deckbuilder · Card Game

Monster Train
Shared: Deckbuilding · Roguelike · Card Game

Wildfrost
Shared: Roguelike Deckbuilder · Card Game · Roguelike

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

Monster Train 2
Shared: Roguelike Deckbuilder · Roguelike · Deckbuilding

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

9 Kings
Shared: Roguelike · Strategy · Deckbuilding

Across the Obelisk
Shared: Roguelike Deckbuilder · Roguelike · Card Game

Inscryption
Shared: Deckbuilding · Card Game · Roguelike

Dicey Dungeons
Shared: Roguelike Deckbuilder · Deckbuilding · Roguelike

Dice & Fold
Shared: Roguelike Deckbuilder · Dungeon Crawler · Roguelike

Dungeons & Degenerate Gamblers
Shared: Roguelike · Roguelike Deckbuilder · Deckbuilding

StarVaders
Shared: Roguelike Deckbuilder · Deckbuilding · Turn-Based Tactics

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

As We Descend
Shared: Roguelike Deckbuilder · Roguelike · Deckbuilding

LONESTAR
Shared: Roguelike · Roguelike Deckbuilder · Turn-Based Tactics

Hadean Tactics
Shared: Roguelike Deckbuilder · Roguelike · Deckbuilding

Astrea: Six-Sided Oracles
Shared: Roguelike Deckbuilder · Roguelike · Card Game

DICEOMANCER
Shared: Roguelike Deckbuilder · Card Game · Roguelike

Alina of the Arena
Shared: Roguelike · Roguelike Deckbuilder · Turn-Based Tactics

Super Fantasy Kingdom
Shared: Roguelike · Strategy · Deckbuilding

Vault of the Void
Shared: Roguelike Deckbuilder · Deckbuilding · Roguelike