Games like Desktank - Full Tank Upgrade
Games like Desktank - Full Tank Upgrade include Tiny Aquarium: Social Fishkeeping, Chillquarium, WEBFISHING, Cookie Clicker, and Megaquarium. We matched them by the tags players give Desktank - Full Tank Upgrade on Steam (Immersive Sim, Collectathon, Creature Collector, Idler, and Sandbox): closest matches first, and among equally close ones the better-known games.

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

Chillquarium
Shared: Collectathon · Creature Collector · Idler

WEBFISHING
Shared: Fishing · Creature Collector · Casual

Cookie Clicker
Shared: Idler · Collectathon · Casual

Megaquarium
Shared: Sandbox · Creature Collector · Casual

Kenshi
Shared: Sandbox · Immersive Sim · Crafting

Fish Game
Shared: Immersive Sim · Creature Collector · Sandbox

PC Building Simulator
Shared: Immersive Sim · Sandbox · Simulation

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

Placid Plastic Duck Simulator
Shared: Collectathon · Immersive Sim · Casual

Tiny Pasture
Shared: Idler · Creature Collector · Casual

MyVoiceZoo
Shared: Creature Collector · Sandbox · Casual

Potion Craft: Alchemist Simulator
Shared: Crafting · Simulation · Sandbox

Cornerpond
Shared: Idler · Creature Collector · Fishing

Cast n Chill
Shared: Idler · Creature Collector · Fishing

Aquarist
Shared: Sandbox · Simulation · Fishing

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

House Flipper
Shared: Simulation · Sandbox · Immersive Sim

Joyquarium
Shared: Creature Collector · Idler · Fishing

My Little Life
Shared: Idler · Creature Collector · Collectathon

Croakoloco
Shared: Creature Collector · Idler · Collectathon

Bugtopia
Shared: Collectathon · Idler · Creature Collector

Graveyard Keeper
Shared: Crafting · Sandbox · Simulation

Waterpark Simulator
Shared: Immersive Sim · Sandbox · Simulation