Games like Quest & Quarrel
Games like Quest & Quarrel include Dota Underlords, UNO, Kingdom Rush - Tower Defense, Balatro, and Reigns. We matched them by the tags players give Quest & Quarrel on Steam (Casual, Strategy, Card Game, Turn-Based Tactics, and Tactical RPG): closest matches first, and among equally close ones the better-known games.

Dota Underlords
Shared: Strategy · Casual · Turn-Based Tactics

UNO
Shared: Card Game · Casual · Strategy

Kingdom Rush - Tower Defense
Shared: Strategy · Casual · 2D

Balatro
Shared: Card Game · Strategy · Casual

Reigns
Shared: Card Game · Medieval · Choices Matter

Kingdom Rush Frontiers - Tower Defense
Shared: Strategy · 2D · Casual

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

Kingdom Rush Origins - Tower Defense
Shared: Strategy · Casual · 2D

Bloons TD 6
Shared: Strategy · Casual · Singleplayer

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

Choice of Life: Middle Ages
Shared: Card Game · Strategy · Choices Matter

Circle Empires
Shared: Strategy · Casual · Fantasy

Plague Inc: Evolved
Shared: Strategy · Casual · Indie

Kingdom Rush Vengeance - Tower Defense
Shared: Strategy · 2D · Medieval

Plants vs. Zombies GOTY Edition
Shared: Strategy · Casual · 2D

Kingdom Rush 5: Alliance TD
Shared: Strategy · 2D · Fantasy

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

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

King Of The Castle
Shared: Strategy · Fantasy · Choices Matter

Game Dev Tycoon
Shared: Strategy · Casual · 2D

Slay the Spire
Shared: Card Game · Strategy · Singleplayer

Demonic Mahjong
Shared: Strategy · Card Game · Casual

911 Operator
Shared: Strategy · Casual · Choices Matter

Monster Train 2
Shared: Card Game · Strategy · Turn-Based Tactics