Games like J-Jump Arena
Games like J-Jump Arena include Gang Beasts, ShellShock Live, Garry's Mod, Stick Fight: The Game, and Party Animals. We matched them by the tags players give J-Jump Arena on Steam (Multiplayer, Turn-Based Tactics, Turn-Based, Action, and Physics): closest matches first, and among equally close ones the better-known games.

Gang Beasts
Shared: Multiplayer · Action · Funny

ShellShock Live
Shared: Multiplayer · Action · Turn-Based

Garry's Mod
Shared: Multiplayer · Physics · Funny

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

Party Animals
Shared: Multiplayer · Funny · Action

Among Us
Shared: Multiplayer · Online Co-Op · Funny

skate.
Shared: Multiplayer · Action · Character Customization

Marvel Rivals
Shared: Multiplayer · Action · PvP

PUBG: BATTLEGROUNDS
Shared: Multiplayer · Action · Online Co-Op

MECCHA CHAMELEON
Shared: Multiplayer · Funny · Casual

PEAK
Shared: Multiplayer · Physics · Online Co-Op

RV There Yet?
Shared: Multiplayer · Funny · Physics

Human Fall Flat
Shared: Multiplayer · Funny · Physics

Paladins®
Shared: Multiplayer · Action · Online Co-Op

Liars Bar
Shared: Multiplayer · Online Co-Op · Casual

Bopl Battle
Shared: Multiplayer · Action · Funny

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

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

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

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

Witch It
Shared: Multiplayer · Funny · Action

Golf With Your Friends
Shared: Multiplayer · Casual · Funny

Draw & Guess
Shared: Multiplayer · Funny · Online Co-Op

Who's Your Daddy?!
Shared: Multiplayer · Funny · Online Co-Op