Games like CoWorker
Games like CoWorker include Overcooked, Overcooked! 2, Broforce, Stick Fight: The Game, and Gang Beasts. We matched them by the tags players give CoWorker on Steam (Tower Defense, Action, Local Co-Op, Local Multiplayer, and 4 Player Local): closest matches first, and among equally close ones the better-known games.

Overcooked
Shared: Local Co-Op · Arcade · Local Multiplayer

Overcooked! 2
Shared: Local Co-Op · 4 Player Local · Local Multiplayer

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

Stick Fight: The Game
Shared: Action · Local Multiplayer · 4 Player Local

Gang Beasts
Shared: Action · Local Multiplayer · Co-op

Move or Die
Shared: Action · Local Multiplayer · 4 Player Local

TowerFall Ascension
Shared: Local Multiplayer · Action · Local Co-Op

Streets of Rage 4
Shared: Action · Local Multiplayer · Arcade

Lovers in a Dangerous Spacetime
Shared: Local Co-Op · 4 Player Local · Local Multiplayer

Orcs Must Die! 3
Shared: Tower Defense · Action · Co-op

Duck Game
Shared: Local Multiplayer · Action · 4 Player Local

Bopl Battle
Shared: Action · 4 Player Local · Local Co-Op

SpeedRunners
Shared: Local Multiplayer · Action · Indie

Pummel Party
Shared: 4 Player Local · Local Multiplayer · Multiplayer

Castle Crashers®
Shared: Local Co-Op · 4 Player Local · Co-op

Brawlhalla
Shared: Local Multiplayer · Action · Multiplayer

FORCED: Slightly Better Edition
Shared: Action · Local Co-Op · 4 Player Local

Left 4 Dead 2
Shared: Action · Zombies · Co-op

Crawl
Shared: Local Multiplayer · 4 Player Local · Local Co-Op

Unrailed!
Shared: Local Co-Op · Action · Local Multiplayer

Magicka
Shared: Action · Co-op · Local Co-Op

Warhammer 40,000: Space Marine 2
Shared: Action · Co-op · PvE

Resident Evil 5
Shared: Action · Zombies · Co-op

Resident Evil 6
Shared: Action · Zombies · Local Co-Op