Games like We Need Colorful Hearts
Games like We Need Colorful Hearts include Slime Rancher 2, Bloons TD 6, Mirror 2: Project X, Slime Rancher, and Florence. We matched them by the tags players give We Need Colorful Hearts on Steam (Casual, Singleplayer, Visual Novel, 3D, and Cartoony): closest matches first, and among equally close ones the better-known games.

Slime Rancher 2
Shared: Singleplayer · Cute · Colorful

Bloons TD 6
Shared: Singleplayer · Casual · 3D

Mirror 2: Project X
Shared: 3D · Visual Novel · Singleplayer

Slime Rancher
Shared: Singleplayer · Cute · Casual

Florence
Shared: Casual · Indie · Singleplayer

The WereCleaner
Shared: Casual · Cartoony · Singleplayer

Assemble with Care
Shared: Casual · Singleplayer · Indie

Donut County
Shared: Casual · Indie · Cute

Passpartout: The Starving Artist
Shared: Casual · Singleplayer · Indie

WEBFISHING
Shared: Casual · Cute · 3D

Beacon Pines
Shared: Visual Novel · Singleplayer · Colorful

Chill with You : Lo-Fi Story
Shared: Casual · Visual Novel · Cute

Flowers Blooming at the End of Summer
Shared: Casual · Visual Novel · Singleplayer

ATRI -My Dear Moments-
Shared: Visual Novel · Casual · Cute

狼と香辛料VR/Spice&WolfVR
Shared: Casual · VR · Singleplayer

Camper Van: Make it Home
Shared: Casual · Singleplayer · Cute

Berry Bury Berry
Shared: 3D · Singleplayer · Casual

Fox Hime Zero
Shared: Visual Novel · Casual · Singleplayer

My Little Puppy
Shared: Singleplayer · Colorful · Cute

Garten of Banban
Shared: Singleplayer · VR · Cartoony

LEGO® Builder's Journey
Shared: Casual · Singleplayer · Cute

Woodo
Shared: Singleplayer · 3D · Casual

Fox Hime
Shared: Casual · Visual Novel · Singleplayer

Is This Seat Taken?
Shared: Casual · Cute · Singleplayer