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

Slay the Spire
Shared: Card Battler · Deckbuilding · Roguelike

Slay the Spire 2
Shared: Deckbuilding · Roguelike · Strategy

Balatro
Shared: Deckbuilding · Roguelike · Strategy

Inscryption
Shared: Card Battler · Deckbuilding · Roguelike

Monster Train
Shared: Card Battler · Deckbuilding · Roguelike

9 Kings
Shared: Strategy · Roguelike · Deckbuilding

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

Roguebook
Shared: Deckbuilding · Strategy · Singleplayer

Griftlands
Shared: Card Battler · Deckbuilding · Strategy

Die in the Dungeon
Shared: Strategy · Deckbuilding · Roguelike

Dicey Dungeons
Shared: Deckbuilding · Card Battler · Roguelike

Wildfrost
Shared: Card Battler · Deckbuilding · Roguelike

Super Fantasy Kingdom
Shared: Strategy · Roguelike · Deckbuilding

Dungeons & Degenerate Gamblers
Shared: Strategy · Roguelike · Deckbuilding

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

Library Of Ruina
Shared: Strategy · Deckbuilding · Singleplayer

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

Ratropolis
Shared: Deckbuilding · Card Battler · Strategy

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

Cross Blitz
Shared: Deckbuilding · Strategy · Card Battler

As We Descend
Shared: Card Battler · Deckbuilding · Roguelike

LONESTAR
Shared: Strategy · Roguelike · Card Battler

DICEOMANCER
Shared: Strategy · Card Battler · Deckbuilding

Into the Breach
Shared: Strategy · Roguelike · Turn-Based Strategy