Games like Aggi's Tiny Friends
Games like Aggi's Tiny Friends include Slime Rancher, Kerbal Space Program, Slime Rancher 2, SPORE™, and Wobbledogs. We matched them by the tags players give Aggi's Tiny Friends on Steam (Casual, Science, Simulation, Education, and Cute): closest matches first, and among equally close ones the better-known games.

Slime Rancher
Shared: Cute · Casual · Simulation

Kerbal Space Program
Shared: Simulation · Science · Sandbox

Slime Rancher 2
Shared: Cute · Colorful · Casual

SPORE™
Shared: Simulation · Sandbox · Casual

Wobbledogs
Shared: Simulation · Cute · Sandbox

The Sims™ 4
Shared: Simulation · Casual · Sandbox

Universe Sandbox
Shared: Simulation · Sandbox · Science

House Flipper
Shared: Simulation · Casual · Sandbox

Universe Sandbox
Shared: Simulation · Science · Sandbox

Cell to Singularity - Evolution Never Ends
Shared: Simulation · Science · Casual

Sticky Business
Shared: Casual · Simulation · Cute

Paralives
Shared: Simulation · Casual · Indie

Thrive
Shared: Science · Simulation · Education

Totally Accurate Battle Simulator
Shared: Simulation · Sandbox · Singleplayer

The Sims™ 3
Shared: Simulation · Casual · Sandbox

Townscaper
Shared: Casual · Sandbox · Simulation

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

SpaceEngine
Shared: Casual · Sandbox · Science

Equilinox
Shared: Casual · Simulation · Sandbox

PowerWash Simulator
Shared: Casual · Simulation · Sandbox

Garry's Mod
Shared: Sandbox · Casual · Simulation

Unpacking
Shared: Casual · Cute · Simulation

Poly Bridge
Shared: Simulation · Sandbox · Singleplayer

PC Building Simulator
Shared: Simulation · Education · Sandbox