Games like Soul Mates
Games like Soul Mates include Tricolour Lovestory, Love Is All Around, Otaku's Adventure, MiSide, and Lucy -The Eternity She Wished For-. We matched them by the tags players give Soul Mates on Steam (Adventure, Indie, Simulation, Strategy, and Dating Sim): closest matches first, and among equally close ones the better-known games.

Tricolour Lovestory
Shared: Dating Sim · Simulation · Anime

Love Is All Around
Shared: Dating Sim · Sexual Content · Romance

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

MiSide
Shared: Horror · Sexual Content · Cute

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

Totally Accurate Battle Simulator
Shared: Simulation · Strategy · Indie

Some Some Convenience Store
Shared: Dating Sim · Indie · Anime

NEKOPARA Vol. 2
Shared: Anime · Dating Sim · Sexual Content

Hush Hush - Only Your Love Can Save Them
Shared: Dating Sim · Simulation · Indie

Gaokao.Love.100Days
Shared: Dating Sim · Simulation · Indie

LoveChoice
Shared: Dating Sim · Romance · Simulation

ATRI -My Dear Moments-
Shared: Anime · Dating Sim · Adventure

Fox Hime Zero
Shared: Indie · Anime · Adventure

NEKOPARA Vol. 1
Shared: Anime · Dating Sim · Sexual Content

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

Miracle Snack Shop
Shared: Dating Sim · Simulation · Indie

Sakura Spirit
Shared: Anime · Dating Sim · Indie

Our End of the World
Shared: Dating Sim · Adventure · Sexual Content

Senren * Banka
Shared: Dating Sim · Anime · Adventure

Capsule Lover
Shared: Adventure · Indie · Dating Sim

NEKOPARA Vol. 0
Shared: Anime · Sexual Content · Dating Sim

NEKOPARA Vol. 3
Shared: Anime · Sexual Content · Dating Sim

Fluffy Store
Shared: Indie · Adventure · Anime

ParanormalHK
Shared: Dating Sim · Horror · Adventure