Games like Sunny Cafe
Games like Sunny Cafe include Florence, ATRI -My Dear Moments-, LoveChoice, Senren * Banka, and Fox Hime Zero. We matched them by the tags players give Sunny Cafe on Steam (Adventure, Dating Sim, Cute, 2D Platformer, and Hand-drawn): closest matches first, and among equally close ones the better-known games.

Florence
Shared: Adventure · Cute · Indie

ATRI -My Dear Moments-
Shared: Cute · Dating Sim · Romance

LoveChoice
Shared: Dating Sim · Romance · Cute

Senren * Banka
Shared: Dating Sim · Cute · Adventure

Fox Hime Zero
Shared: Cute · Adventure · Romance

Lucy -The Eternity She Wished For-
Shared: Dating Sim · Cute · Romance

Love Is All Around
Shared: Dating Sim · Singleplayer · Romance

The Hungry Lamb: Traveling in the Late Ming Dynasty
Shared: Dating Sim · Adventure · Visual Novel

Capsule Lover
Shared: Adventure · Dating Sim · Cute

Otaku's Adventure
Shared: Dating Sim · Adventure · Indie

Tricolour Lovestory
Shared: Dating Sim · Visual Novel · Romance

To the Moon
Shared: Adventure · Story Rich · Indie

Doki Doki Literature Club Plus!
Shared: Dating Sim · Cute · Romance

NEKOPARA Vol. 2
Shared: Cute · Dating Sim · Romance

eden*
Shared: Adventure · Romance · Cute

Fox Hime
Shared: Cute · Adventure · Dating Sim

NEKOPARA Vol. 1
Shared: Cute · Dating Sim · Singleplayer

Slay the Princess — The Pristine Cut
Shared: Romance · Hand-drawn · Story Rich

Aokana - Four Rhythms Across the Blue
Shared: Adventure · Dating Sim · Romance

Carto
Shared: Cute · Adventure · Indie

CLANNAD
Shared: Dating Sim · Romance · Story Rich

OneShot
Shared: Cute · Story Rich · Indie

If My Heart Had Wings
Shared: Dating Sim · Cute · Romance

The Last Campfire
Shared: Adventure · Cute · Singleplayer