Games like LOST ALTR
Games like LOST ALTR include Vampire Crawlers: The Turbo Wildcard from Vampire Survivors, Slay the Spire, Balatro, Inscryption, and Slay the Spire 2. We matched them by the tags players give LOST ALTR on Steam (Card Battler, Dungeon Crawler, Card Game, Tabletop, and Strategy): closest matches first, and among equally close ones the better-known games.

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

Slay the Spire
Shared: Card Battler · Card Game · Strategy

Balatro
Shared: Card Game · Strategy · Deckbuilding

Inscryption
Shared: Card Battler · Card Game · Deckbuilding

Slay the Spire 2
Shared: Card Game · Strategy · Card Battler

Demonic Mahjong
Shared: Card Game · Strategy · Tabletop

Griftlands
Shared: Card Battler · Card Game · Choices Matter

Stacklands
Shared: Card Game · Card Battler · Strategy

Eternal Card Game
Shared: Card Battler · Card Game · Strategy

Die in the Dungeon
Shared: Card Game · Strategy · Card Battler

Loop Hero
Shared: Deckbuilding · Card Game · Pixel Graphics

Black Book
Shared: Card Battler · Card Game · Dungeon Crawler

Monster Train
Shared: Card Battler · Card Game · Deckbuilding

Magic: The Gathering Arena
Shared: Card Game · Strategy · Deckbuilding

DICEOMANCER
Shared: Card Battler · Card Game · Strategy

The Bazaar
Shared: Card Battler · Strategy · Card Game

Yu-Gi-Oh! Master Duel
Shared: Card Game · Strategy · Card Battler

Animation Throwdown: The Quest for Cards
Shared: Card Battler · Card Game · Strategy

Yu-Gi-Oh! Legacy of the Duelist
Shared: Card Battler · Card Game · Deckbuilding

GWENT: The Witcher Card Game
Shared: Card Game · Strategy · Deckbuilding

Dicey Dungeons
Shared: Card Battler · Deckbuilding · Card Game

UNO
Shared: Card Game · Tabletop · Strategy

9 Kings
Shared: Strategy · Card Game · Card Battler

Knock on the Coffin Lid
Shared: Card Battler · Card Game · Strategy