Games like Billgard
Games like Billgard include Gang Beasts, Pummel Party, Party Animals, Stick Fight: The Game, and Ultimate Chicken Horse. We matched them by the tags players give Billgard on Steam (Party Game, Physics, Online Co-Op, Local Multiplayer, and Beat 'em up): closest matches first, and among equally close ones the better-known games.

Gang Beasts
Shared: Physics · Funny · Party Game

Pummel Party
Shared: Party Game · Online Co-Op · Funny

Party Animals
Shared: Party Game · Funny · Multiplayer

Stick Fight: The Game
Shared: Local Multiplayer · Funny · Physics

Ultimate Chicken Horse
Shared: Party Game · Funny · PvP

Tricky Towers
Shared: Party Game · Physics · Local Multiplayer

Among Us
Shared: Online Co-Op · Party Game · Multiplayer

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

Castle Crashers®
Shared: Online Co-Op · Beat 'em up · Funny

Draw & Guess
Shared: Party Game · Online Co-Op · Funny

MECCHA CHAMELEON
Shared: Party Game · Online Co-Op · Funny

Rubber Bandits
Shared: Party Game · Funny · PvP

Move or Die
Shared: Local Multiplayer · Funny · Online Co-Op

Human Fall Flat
Shared: Physics · Funny · Multiplayer

Garry's Mod
Shared: Physics · Funny · Multiplayer

Make Way
Shared: Local Multiplayer · Funny · Physics

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

Brawlhalla
Shared: Local Multiplayer · Multiplayer · Online Co-Op

MageQuit
Shared: Physics · PvP · Party Game

Streets of Rage 4
Shared: Beat 'em up · Local Multiplayer · Online Co-Op

Golf With Your Friends
Shared: Multiplayer · Funny · Physics

Super Battle Golf
Shared: Online Co-Op · Physics · Multiplayer

LEGO® Party!
Shared: Party Game · Local Multiplayer · Party

Party Panic
Shared: Local Multiplayer · Funny · Party Game