Games like Aeon's End
Games like Aeon's End include Slay the Spire 2, Slay the Spire, Balatro, Inscryption, and Stacklands. We matched them by the tags players give Aeon's End on Steam (Deckbuilding, Dark Fantasy, Board Game, Dystopian , and Card Battler): closest matches first, and among equally close ones the better-known games.

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

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

Balatro
Shared: Deckbuilding · Card Game · Strategy

Inscryption
Shared: Deckbuilding · Card Battler · Card Game

Stacklands
Shared: Card Game · Card Battler · Strategy

Wingspan
Shared: Board Game · Card Game · Strategy

UNO
Shared: Board Game · Card Game · Tabletop

Talisman: Digital Classic Edition
Shared: Board Game · Strategy · Tabletop

Tainted Grail: Conquest
Shared: Deckbuilding · Dark Fantasy · Card Game

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

Ascension: Deckbuilding Game
Shared: Deckbuilding · Board Game · Card Battler

Armello
Shared: Board Game · Dark Fantasy · Card Game

Dune: Imperium
Shared: Deckbuilding · Board Game · Strategy

Across the Obelisk
Shared: Deckbuilding · Adventure · Card Game

Library Of Ruina
Shared: Deckbuilding · Card Game · Strategy

Sentinels of the Multiverse
Shared: Card Battler · Board Game · Strategy

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

Gremlins, Inc.
Shared: Board Game · Strategy · Card Game

Dicey Dungeons
Shared: Deckbuilding · Card Battler · Strategy

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

Rento Fortune: Online Dice Board Game (大富翁)
Shared: Board Game · Strategy · Card Game

Vault of the Void
Shared: Deckbuilding · Indie · Card Battler

Shadowverse: Worlds Beyond
Shared: Deckbuilding · Card Battler · Strategy

Knock on the Coffin Lid
Shared: Dark Fantasy · Deckbuilding · Card Battler