Games like Hyacinthus
Games like Hyacinthus include Path of Exile, Samsara Room, TBH: Task Bar Hero, Ultimate Custom Night, and SMITE®. We matched them by the tags players give Hyacinthus on Steam (Free to Play and Indie): closest matches first, and among equally close ones the better-known games.

Path of Exile
Shared: Free to Play · Indie · Free To Play

Samsara Room
Shared: Indie · Free to Play · Free To Play

TBH: Task Bar Hero
Shared: Free to Play · Indie · Free To Play

Ultimate Custom Night
Shared: Free to Play · Indie · Free To Play

SMITE®
Shared: Free to Play · Indie · Free To Play

Banana
Shared: Free to Play · Indie · Free To Play

Aimlabs
Shared: Free to Play · Indie · Free To Play

Century: Age of Ashes
Shared: Free to Play · Indie · Free To Play

Where Winds Meet
Shared: Free to Play · Indie · Free To Play

Bongo Cat
Shared: Free to Play · Indie · Free To Play

Dota 2
Shared: Free to Play · Free To Play

Dark Deception
Shared: Free to Play · Indie · Free To Play

Neon Beats
Shared: Free to Play · Indie · Free To Play

Palia
Shared: Free to Play · Indie · Free To Play

Poppy Playtime
Shared: Free to Play · Indie

Team Fortress 2
Shared: Free to Play · Free To Play

Idle Champions of the Forgotten Realms
Shared: Free to Play · Indie · Free To Play

Apex Legends™
Shared: Free to Play · Free To Play

Realm of the Mad God Exalt
Shared: Free to Play · Indie · Free To Play

IdleOn - The Incremental MMO
Shared: Free to Play · Indie · Free To Play