Games like Critter Isle
Games like Critter Isle include Cookie Clicker, Chillquarium, Tiny Pasture, Desk Paws, and Bugtopia. We matched them by the tags players give Critter Isle on Steam (Collectathon, Creature Collector, Idler, Tutorial, and Point & Click): closest matches first, and among equally close ones the better-known games.

Cookie Clicker
Shared: Idler · Collectathon · Casual

Chillquarium
Shared: Collectathon · Creature Collector · Idler

Tiny Pasture
Shared: Idler · Creature Collector · Cute

Desk Paws
Shared: Creature Collector · Idler · Collectathon

Bugtopia
Shared: Collectathon · Idler · Creature Collector

Plantera
Shared: Collectathon · Idler · Point & Click

Fish to Dish: Idle Sushi
Shared: Idler · Creature Collector · Collectathon

Fischer's Fishing Journey
Shared: Idler · Creature Collector · Casual

Digseum
Shared: Idler · Casual · Relaxing

Click the Button
Shared: Idler · Casual · Point & Click

Tiny Aquarium: Social Fishkeeping
Shared: Collectathon · Creature Collector · Idler

MyVoiceZoo
Shared: Creature Collector · Idler · Casual

Cast n Chill
Shared: Idler · Creature Collector · Relaxing

Shelldiver
Shared: Idler · Casual · 2D

WEBFISHING
Shared: Creature Collector · Cute · Casual

Fantasy Aquarium
Shared: Idler · Casual · Cute

Unpacking
Shared: Cute · Relaxing · Casual

Cornerpond
Shared: Idler · Creature Collector · Cute

Hidden Through Time
Shared: Point & Click · Collectathon · 2D

Placid Plastic Duck Simulator
Shared: Collectathon · Cute · Relaxing

Slime Rancher 2
Shared: Cute · Creature Collector · Relaxing

Luna's Fishing Garden
Shared: Collectathon · Idler · Cute

Treasure Chest Clicker
Shared: Idler · Collectathon · 2D

Keep on Mining!
Shared: Idler · Casual · Relaxing