Games like The Expendabros
Games like The Expendabros include Broforce, Duck Game, Brawlhalla, Team Fortress 2, and Apex Legends™. We matched them by the tags players give The Expendabros on Steam (Free to Play, Action, Pixel Graphics, 2D, and Multiplayer): closest matches first, and among equally close ones the better-known games.

Broforce
Shared: Action · Pixel Graphics · 2D

Duck Game
Shared: Multiplayer · Pixel Graphics · Action

Brawlhalla
Shared: Free to Play · Multiplayer · Action

Team Fortress 2
Shared: Free to Play · Multiplayer · Action

Apex Legends™
Shared: Free to Play · Multiplayer · Action

Halo Infinite
Shared: Free to Play · Multiplayer · Action

BattleBlock Theater®
Shared: Co-op · Multiplayer · 2D

Awesomenauts
Shared: 2D · Action · Multiplayer

Terraria
Shared: 2D · Multiplayer · Pixel Graphics

Delta Force
Shared: Free to Play · Multiplayer · Action

Once Human
Shared: Free to Play · Action · Multiplayer

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

Pixel Gun 3D: PC Edition
Shared: Pixel Graphics · Multiplayer · Action

Paladins®
Shared: Free to Play · Multiplayer · Action

Gang Beasts
Shared: Action · Multiplayer · Co-op

Stick Fight: The Game
Shared: Multiplayer · Action · 2D

Grand Theft Auto V Legacy
Shared: Action · Multiplayer · Shooter

One-armed robber
Shared: Free to Play · Action · Multiplayer

Cuphead
Shared: Local Co-Op · 2D · Co-op

Rayman® Legends
Shared: Action · 2D · Local Co-Op

Human Fall Flat
Shared: Multiplayer · Co-op · Action

Destiny 2
Shared: Free to Play · Multiplayer · Co-op

King Arthur's Gold
Shared: Pixel Graphics · Action · 2D

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