Games like Sunshower
Games like Sunshower include Vampire Survivors, Melatonin, Unpacking, Webbed, and Shelldiver. We matched them by the tags players give Sunshower on Steam (Action, Cute, Hand-drawn, Colorful, and Casual): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Bullet Hell · Pixel Graphics · Action

Melatonin
Shared: Cute · Hand-drawn · Colorful

Unpacking
Shared: Cute · Casual · Relaxing

Webbed
Shared: Cute · Pixel Graphics · Action

Shelldiver
Shared: Casual · Relaxing · Cute

Bing in Wonderland
Shared: Hand-drawn · Casual · Cute

Twin Shot Deluxe
Shared: Action · Cute · Casual

Slime Rancher 2
Shared: Cute · Colorful · Relaxing

Passpartout: The Starving Artist
Shared: Casual · Hand-drawn · Relaxing

Carto
Shared: Cute · Hand-drawn · Relaxing

Kabuto Park
Shared: Cute · Casual · Colorful

Planes, Bullets and Vodka
Shared: Action · Casual · Bullet Hell

Gensokyo Night Festival
Shared: Action · Cute · Casual

Sticky Business
Shared: Cute · Casual · Relaxing

Draw & Guess
Shared: Casual · Relaxing · Cute

Minami Lane
Shared: Cute · Casual · Colorful

SUPER CHICKEN JUMPER
Shared: Cute · Pixel Graphics · Action

Bit Blaster XL
Shared: Bullet Hell · Action · Casual

A Short Hike
Shared: Cute · Relaxing · Casual

Timberman
Shared: Action · Casual · Pixel Graphics

Rabi-Ribi
Shared: Bullet Hell · Cute · Pixel Graphics

Muse Dash
Shared: Cute · Casual · Colorful

Bongo Cat
Shared: Cute · Casual · Relaxing

Orbt XL
Shared: Action · Relaxing · Casual