Games like Thief Girls Quartet
Games like Thief Girls Quartet include Overcooked! 2, PICO PARK, Gang Beasts, Castle Crashers®, and Brawlhalla. We matched them by the tags players give Thief Girls Quartet on Steam (Multiplayer, Online Co-Op, Local Co-Op, Indie, and Local Multiplayer): closest matches first, and among equally close ones the better-known games.

Overcooked! 2
Shared: Multiplayer · Online Co-Op · Local Co-Op

PICO PARK
Shared: Multiplayer · Online Co-Op · Co-op

Gang Beasts
Shared: Multiplayer · Co-op · Action

Castle Crashers®
Shared: Online Co-Op · Co-op · Multiplayer

Brawlhalla
Shared: Multiplayer · Local Multiplayer · Co-op

Party Animals
Shared: Multiplayer · Co-op · Cute

It Takes Two
Shared: Multiplayer · Co-op · Local Co-Op

Unrailed!
Shared: Multiplayer · Online Co-Op · Co-op

Pummel Party
Shared: Multiplayer · Online Co-Op · Co-op

Overcooked
Shared: Multiplayer · Local Co-Op · Indie

Stick Fight: The Game
Shared: Multiplayer · Local Multiplayer · Action

How to Fish
Shared: Multiplayer · Online Co-Op · Co-op

BattleBlock Theater®
Shared: Co-op · Multiplayer · Local Co-Op

Move or Die
Shared: Multiplayer · Local Multiplayer · Action

PICO PARK 2
Shared: Multiplayer · Online Co-Op · Co-op

A Way Out
Shared: Online Co-Op · Co-op · Multiplayer

Bloons TD 6
Shared: Multiplayer · Online Co-Op · Co-op

Bopl Battle
Shared: Multiplayer · Online Co-Op · Local Co-Op

Left 4 Dead 2
Shared: Multiplayer · Co-op · Online Co-Op

Broforce
Shared: Co-op · Local Co-Op · Multiplayer

Rocket League®
Shared: Multiplayer · Online Co-Op · Co-op

Magicka
Shared: Co-op · Online Co-Op · Multiplayer

Human Fall Flat
Shared: Multiplayer · Co-op · Local Co-Op

Monster Hunter Wilds
Shared: Multiplayer · Online Co-Op · Co-op