Games like Mad Jyacer
Games like Mad Jyacer include Only Climb: Better Together, Crab Champions, Megabonk, PowerWash Simulator, and ALTF4. We matched them by the tags players give Mad Jyacer on Steam (Casual, Simulation, Arcade, Sandbox, and Platformer): closest matches first, and among equally close ones the better-known games.

Only Climb: Better Together
Shared: Arcade · Platformer · 3D Platformer

Crab Champions
Shared: Arcade · Roguelike · Action Roguelike

Megabonk
Shared: Roguelike · Action Roguelike · Arcade

PowerWash Simulator
Shared: Casual · Simulation · Sandbox

ALTF4
Shared: 3D Platformer · Arcade · Casual

Goat Simulator
Shared: Simulation · Sandbox · Casual

Squirrel with a Gun
Shared: Simulation · Sandbox · Platformer

s&box
Shared: Casual · Sandbox · 3D Platformer

Chained Together
Shared: Casual · Platformer · Simulation

Downwell
Shared: Arcade · Precision Platformer · Platformer

Garry's Mod
Shared: Sandbox · Casual · Simulation

Vampire Survivors
Shared: Casual · Action Roguelike · Arcade

Totally Accurate Battle Simulator
Shared: Simulation · Sandbox · Indie

House Flipper
Shared: Simulation · Casual · Sandbox

Planet Coaster
Shared: Simulation · Sandbox · Casual

PowerWash Simulator 2
Shared: Casual · Simulation · Sandbox

Internet Cafe Simulator 2
Shared: Simulation · Sandbox · Arcade

Spelunky
Shared: Platformer · Roguelike · Arcade

Into The Flames
Shared: Simulation · Casual · Sandbox

Rogue Legacy
Shared: Platformer · Roguelike · Action Roguelike

Wobbly Life
Shared: Simulation · Sandbox · Casual

Noita
Shared: Roguelike · Sandbox · Simulation

Shelldiver
Shared: Casual · Arcade · Simulation

Equilinox
Shared: Simulation · Casual · Sandbox