Games like 9-nine-:Episode 3
Games like 9-nine-:Episode 3 include Senren * Banka, ATRI -My Dear Moments-, LoveChoice, Doki Doki Literature Club Plus!, and Tricolour Lovestory. We matched them by the tags players give 9-nine-:Episode 3 on Steam (Casual, Visual Novel, Dating Sim, Romance, and 2D): closest matches first, and among equally close ones the better-known games.

Senren * Banka
Shared: Visual Novel · Dating Sim · Casual

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

LoveChoice
Shared: Dating Sim · Romance · Visual Novel

Doki Doki Literature Club Plus!
Shared: Visual Novel · Dating Sim · Romance

Tricolour Lovestory
Shared: Visual Novel · Dating Sim · Casual

If My Heart Had Wings
Shared: Visual Novel · Dating Sim · Romance

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

NEKOPARA Vol. 1
Shared: Visual Novel · Dating Sim · Cute

NEKOPARA Vol. 2
Shared: Visual Novel · Dating Sim · Cute

小白兔电商~Bunny e-Shop
Shared: Visual Novel · Dating Sim · Cute

NEKOPARA Vol. 0
Shared: Visual Novel · Cute · Dating Sim

Love Delivery
Shared: Dating Sim · Visual Novel · Casual

NEKOPARA Extra
Shared: Visual Novel · Casual · Cute

NEKOPARA Vol. 3
Shared: Visual Novel · Dating Sim · Cute

Kinkoi: Golden Loveriche
Shared: Casual · Visual Novel · Dating Sim

DATE A LIVE: Rio Reincarnation
Shared: Visual Novel · Dating Sim · Romance

CLANNAD
Shared: Visual Novel · Romance · Dating Sim

Marco & The Galaxy Dragon
Shared: Visual Novel · Casual · Cute

Fox Hime Zero
Shared: Visual Novel · Casual · Romance

Aokana - Four Rhythms Across the Blue
Shared: Visual Novel · Casual · Romance

I Wani Hug that Gator!
Shared: Visual Novel · Romance · Dating Sim

Some Some Convenience Store
Shared: Visual Novel · Dating Sim · Casual

Parquet
Shared: Visual Novel · Casual · Romance

Sakura Spirit
Shared: Visual Novel · Dating Sim · Cute