Games like Motivation Monsters
Games like Motivation Monsters include On-Together: Virtual Co-Working, Spirit City: Lofi Sessions, Chill Pulse, Kerbal Space Program, and Universe Sandbox. We matched them by the tags players give Motivation Monsters on Steam (Creature Collector, Utilities, Education, Space, and Tutorial): closest matches first, and among equally close ones the better-known games.

On-Together: Virtual Co-Working
Shared: Utilities · Creature Collector · Life Sim

Spirit City: Lofi Sessions
Shared: Creature Collector · Desktop Companion · Relaxing

Chill Pulse
Shared: Utilities · Education · Simulation

Kerbal Space Program
Shared: Space · Simulation · Education

Universe Sandbox
Shared: Space · Simulation · Education

Ithya: Magic Studies
Shared: Utilities · Creature Collector · Desktop Companion

Cast n Chill
Shared: Creature Collector · Relaxing · Desktop Companion

PC Building Simulator
Shared: Education · Simulation · Life Sim

Horsey Game
Shared: Creature Collector · Simulation · Life Sim

Cornerpond
Shared: Creature Collector · Desktop Companion · Simulation

SpaceEngine
Shared: Space · Education · Casual

Maltese's Fluffy Onsen
Shared: Desktop Companion · Simulation · Life Sim

Electrician Simulator
Shared: Education · Simulation · Life Sim

Moonstone Island
Shared: Creature Collector · 2D · Life Sim

Thrive
Shared: Education · Simulation · Tutorial

Chill with You : Lo-Fi Story
Shared: Utilities · Relaxing · Education

Chinese Parents
Shared: Life Sim · Simulation · Casual

Tiny Pasture
Shared: Creature Collector · Desktop Companion · Simulation

My Little Life
Shared: Creature Collector · Life Sim · Desktop Companion

Little Witch in the Woods
Shared: Life Sim · Simulation · Casual

Universe Sandbox
Shared: Space · Simulation · Education

MyVoiceZoo
Shared: Creature Collector · Simulation · Casual

With Me: Aquatic Time
Shared: Utilities · Education · Creature Collector

Solar 2
Shared: Space · Simulation · Relaxing