Games like Chaos Pieces
Games like Chaos Pieces include Inscryption, Chess Ultra, 5D Chess With Multiverse Time Travel, Root, and Armello. We matched them by the tags players give Chaos Pieces on Steam (Chess, Deckbuilding, Board Game, Card Battler, and Turn-Based Strategy): closest matches first, and among equally close ones the better-known games.

Inscryption
Shared: Card Battler · Deckbuilding · Horror

Chess Ultra
Shared: Chess · Board Game · Turn-Based Strategy

5D Chess With Multiverse Time Travel
Shared: Chess · Board Game · Turn-Based Strategy

Root
Shared: Board Game · Turn-Based Strategy · Cute

Armello
Shared: Board Game · Turn-Based Strategy · PvP

Monster Train
Shared: Card Battler · Deckbuilding · Turn-Based Strategy

Magic: The Gathering Arena
Shared: Deckbuilding · Turn-Based Strategy · Strategy

NEOVERSE
Shared: Deckbuilding · Card Battler · Turn-Based Strategy

Mewgenics
Shared: Turn-Based Strategy · Funny · Cute

Liars Bar
Shared: Funny · PvP · Board Game

Dune: Imperium
Shared: Board Game · Deckbuilding · Sci-fi

Slay the Spire
Shared: Card Battler · Deckbuilding · Strategy

100% Orange Juice
Shared: Board Game · Cute · Funny

TerraScape
Shared: Board Game · Turn-Based Strategy · Deckbuilding

The Bazaar
Shared: Deckbuilding · Card Battler · Strategy

Tabletop Simulator
Shared: Board Game · Simulation · Tabletop

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

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

Blood Bowl 2: Legendary Edition (Classic)
Shared: Board Game · Turn-Based Strategy · Strategy

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

No Time to Relax
Shared: Board Game · Funny · Simulation

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

Griftlands
Shared: Deckbuilding · Card Battler · RPG

Heart of Crown PC
Shared: Card Battler · Board Game · Deckbuilding