Games like Simple Fish Adventure
Games like Simple Fish Adventure include Chained Together, PEAK, Garry's Mod, How to Fish, and Climber Animals: Together. We matched them by the tags players give Simple Fish Adventure on Steam (Physics, Simulation, Platformer, Side Scroller, and Casual): closest matches first, and among equally close ones the better-known games.

Chained Together
Shared: Platformer · Casual · Adventure

PEAK
Shared: Physics · Adventure · Online Co-Op

Garry's Mod
Shared: Physics · Casual · Simulation

How to Fish
Shared: Physics · Online Co-Op · Indie

Climber Animals: Together
Shared: Physics · Simulation · Platformer

Getting Over It with Bennett Foddy
Shared: Physics · Difficult · Platformer

Wobbly Life
Shared: Simulation · Adventure · Casual

Gang Beasts
Shared: Physics · Casual · Co-op

RV There Yet?
Shared: Physics · Adventure · Co-op

Goat Simulator
Shared: Simulation · Physics · Casual

Super Bunny Man
Shared: Platformer · Physics · Co-op

I Am Bread
Shared: Simulation · Physics · Difficult

Cuphead
Shared: Platformer · Difficult · Co-op

Biped
Shared: Physics · Online Co-Op · Co-op

Gamble With Your Friends
Shared: Physics · Online Co-Op · Co-op

Totally Accurate Battle Simulator
Shared: Simulation · Physics · Indie

Human Fall Flat
Shared: Physics · Co-op · Adventure

BattleBlock Theater®
Shared: Platformer · Co-op · Comedy

Golf With Your Friends
Shared: Casual · Physics · Indie

LIMBO
Shared: Platformer · Indie · Adventure

Carry The Glass
Shared: Platformer · Physics · Co-op

Viscera Cleanup Detail
Shared: Simulation · Physics · Co-op

Hollow Knight
Shared: Platformer · Difficult · Indie

Who's Your Daddy?!
Shared: Simulation · Casual · Online Co-Op