Games like Cast n Chill
Games like Cast n Chill include DAVE THE DIVER, Cornerpond, Spirit City: Lofi Sessions, Tiny Pasture, and Fish to Dish: Idle Sushi. We matched them by the tags players give Cast n Chill on Steam (Pixel Graphics, Relaxing, Fishing, Idler, and Cozy): closest matches first, and among equally close ones the better-known games.

DAVE THE DIVER
Shared: Pixel Graphics · Relaxing · Fishing

Cornerpond
Shared: Idler · Fishing · Pixel Graphics

Spirit City: Lofi Sessions
Shared: Relaxing · Cozy · Idler

Tiny Pasture
Shared: Idler · Pixel Graphics · Relaxing

Fish to Dish: Idle Sushi
Shared: Fishing · Idler · Relaxing

Stardew Valley
Shared: Pixel Graphics · Relaxing · RPG

Chillquarium
Shared: Idler · Creature Collector · Fishing

Rusty's Retirement
Shared: Idler · Relaxing · Desktop Companion

Digseum
Shared: Idler · Relaxing · Pixel Graphics

Mini Cozy Room: Lo-Fi
Shared: Pixel Graphics · Idler · Cozy

Maltese's Fluffy Onsen
Shared: Pixel Graphics · Desktop Companion · Idler

Cookie Clicker
Shared: Idler · Pixel Graphics · Casual

Birdwatching Notebook
Shared: Idler · Creature Collector · Pixel Graphics

Mushroom Nook
Shared: Idler · Relaxing · Creature Collector

Idle Waters
Shared: Pixel Graphics · Idler · Fishing

Whisper of the House
Shared: Relaxing · Pixel Graphics · Casual

TBH: Task Bar Hero
Shared: Pixel Graphics · Idler · Desktop Companion

Fishing Inc
Shared: Relaxing · Fishing · Casual

Unpacking
Shared: Relaxing · Pixel Graphics · Casual

Ropuka's Idle Island
Shared: Relaxing · Idler · Cozy

Lakeside Bar
Shared: Relaxing · Cozy · Idler

Click and Conquer
Shared: Pixel Graphics · Idler · Relaxing

Joyquarium
Shared: Idler · Fishing · Relaxing

Shelldiver
Shared: Relaxing · Idler · Casual