Games like Battletronics
Games like Battletronics include Overcooked! 2, Broforce, Overcooked, Stick Fight: The Game, and Castle Crashers®. We matched them by the tags players give Battletronics on Steam (Multiplayer, Family Friendly, 4 Player Local, 2D, and Action): closest matches first, and among equally close ones the better-known games.

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

Broforce
Shared: Co-op · Action · Multiplayer

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

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

Castle Crashers®
Shared: Co-op · 2D · 4 Player Local

Gang Beasts
Shared: Multiplayer · Co-op · Action

Brawlhalla
Shared: Multiplayer · Co-op · Local Multiplayer

Duck Game
Shared: Multiplayer · 2D · Action

Bopl Battle
Shared: Multiplayer · 4 Player Local · Action

Move or Die
Shared: Multiplayer · Action · 2D

Bloons TD 6
Shared: Multiplayer · Co-op · Family Friendly

The Escapists 2
Shared: Multiplayer · Co-op · 2D

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

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

Party Animals
Shared: Multiplayer · Co-op · Action

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

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

SpeedRunners
Shared: Multiplayer · Local Multiplayer · Action

Awesomenauts
Shared: Multiplayer · 2D · Co-op

Pummel Party
Shared: Multiplayer · 4 Player Local · Co-op

Bloons TD 5
Shared: Co-op · Family Friendly · Multiplayer

Sonic Racing: CrossWorlds
Shared: Multiplayer · Family Friendly · Co-op

LEGO® Star Wars™ - The Complete Saga
Shared: Co-op · Multiplayer · Family Friendly

Rivals of Aether
Shared: Multiplayer · Local Multiplayer · 2D