Games like Quack & Hatch
Games like Quack & Hatch include Shelldiver, Slime Rancher 2, Melvor Idle, Cast n Chill, and Tiny Pasture. We matched them by the tags players give Quack & Hatch on Steam (Creature Collector, Idler, Casual, Relaxing, and Fantasy): closest matches first, and among equally close ones the better-known games.

Shelldiver
Shared: Casual · Idler · Relaxing

Slime Rancher 2
Shared: Relaxing · Creature Collector · Colorful

Melvor Idle
Shared: Idler · Casual · RPG

Cast n Chill
Shared: Idler · Relaxing · Creature Collector

Tiny Pasture
Shared: Idler · Creature Collector · Casual

Cookie Clicker
Shared: Idler · Casual · Indie

Tower Wizard
Shared: Idler · Fantasy · Resource Management

Digseum
Shared: Idler · Casual · Relaxing

Potion Craft: Alchemist Simulator
Shared: Relaxing · Casual · Resource Management

Kabuto Park
Shared: Creature Collector · Casual · Relaxing

DAVE THE DIVER
Shared: Casual · Relaxing · Management

Keep on Mining!
Shared: Idler · Casual · Relaxing

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

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

Click the Button
Shared: Casual · Idler · Indie

Idle Champions of the Forgotten Realms
Shared: Idler · Fantasy · Casual

Unpacking
Shared: Relaxing · Casual · Cute

A Game About Feeding A Black Hole
Shared: Casual · Relaxing · Idler

Tiny Terraces
Shared: Idler · Relaxing · Casual

Stardew Valley
Shared: Relaxing · RPG · Casual

Cornerpond
Shared: Idler · Creature Collector · Relaxing

Minami Lane
Shared: Casual · Relaxing · Cute

Nodebuster
Shared: Casual · Idler · Relaxing

Incredicer
Shared: Idler · Casual · Relaxing