Games like Insect Simulator
Games like Insect Simulator include Stardew Valley, My Time at Portia, WolfQuest: Anniversary Edition, Aniimo, and Crimson Desert Enhanced. We matched them by the tags players give Insect Simulator on Steam (Creature Collector, Colony Sim, Nature, PvE, and Life Sim): closest matches first, and among equally close ones the better-known games.

Stardew Valley
Shared: Life Sim · Simulation · RPG

My Time at Portia
Shared: Life Sim · Open World · Simulation

WolfQuest: Anniversary Edition
Shared: Life Sim · Nature · Open World

Aniimo
Shared: Creature Collector · Open World · PvE

Crimson Desert Enhanced
Shared: Open World · Third Person · Singleplayer

Slime Rancher 2
Shared: Creature Collector · Open World · Simulation

Animalia Survival
Shared: Nature · PvE · Open World

Palworld
Shared: Creature Collector · Open World · Indie

Maneater
Shared: Nature · Open World · Third Person

Stone Simulator – Just Be a Rock
Shared: Nature · PvE · Life Sim

Kabuto Park
Shared: Creature Collector · Nature · PvE

TOGETHER BnB
Shared: 3D · Life Sim · Open World

Tales of the Shire: A The Lord of The Rings™ Game
Shared: Life Sim · Nature · 3D

Big Ambitions
Shared: Life Sim · Simulation · 3D

Voidling Bound
Shared: Creature Collector · PvE · Third Person

Undisputed
Shared: 3D · Third Person · Combat

Paralives
Shared: Life Sim · Simulation · Open World

RimWorld
Shared: Colony Sim · Simulation · Singleplayer

Wildmender
Shared: 3D · Third Person · Simulation

Horsey Game
Shared: Creature Collector · Life Sim · Simulation

ELDEN RING NIGHTREIGN
Shared: PvE · Third Person · Open World

Banished
Shared: Colony Sim · Simulation · Indie

SPORE™
Shared: Colony Sim · Open World · Simulation

Cat Simulator : Animals on Farm
Shared: Nature · Life Sim · 3D