Games like Hybrids Arena
Games like Hybrids Arena include Wobbly Life, Garry's Mod, Tower Unite, Gang Beasts, and Goat Simulator. We matched them by the tags players give Hybrids Arena on Steam (Simulation, Action, Casual, Indie, and Character Customization): closest matches first, and among equally close ones the better-known games.

Wobbly Life
Shared: Simulation · Multiplayer · Casual

Garry's Mod
Shared: Casual · Multiplayer · Funny

Tower Unite
Shared: Casual · Multiplayer · Character Customization

Gang Beasts
Shared: Action · Funny · Multiplayer

Goat Simulator
Shared: Simulation · Funny · Casual

Golf With Your Friends
Shared: Casual · Multiplayer · Indie

Who's Your Daddy?!
Shared: Simulation · Funny · Multiplayer

The Sims™ 3
Shared: Simulation · Character Customization · Casual

Feed and Grow: Fish
Shared: Simulation · Action · Multiplayer

Witch It
Shared: Casual · Indie · Action

skate.
Shared: Action · Multiplayer · Character Customization

House Flipper
Shared: Simulation · Multiplayer · Casual

Totally Accurate Battle Simulator
Shared: Simulation · Funny · Sandbox

Into The Flames
Shared: Simulation · Action · Casual

PowerWash Simulator
Shared: Casual · Simulation · Multiplayer

Overcooked! 2
Shared: Multiplayer · Casual · Funny

Brick Rigs
Shared: Simulation · Multiplayer · Sandbox

Paralives
Shared: Simulation · Character Customization · Indie

Fun with Ragdolls: The Game
Shared: Simulation · Action · Funny

Passpartout: The Starving Artist
Shared: Simulation · Casual · Indie

The Sims™ 4
Shared: Simulation · Character Customization · Casual

Party Animals
Shared: Casual · Funny · Multiplayer

Golf It!
Shared: Casual · Multiplayer · Simulation

Human Fall Flat
Shared: Funny · Multiplayer · Action