Games like Umbraseal
Games like Umbraseal include Enter the Gungeon, Hades II, Gensokyo Night Festival, UBERMOSH, and Bright Memory: Infinite. We matched them by the tags players give Umbraseal on Steam (Action, Indie, Early Access, Bullet Hell, and Procedural Generation): closest matches first, and among equally close ones the better-known games.
Enter the Gungeon
Shared: Bullet Hell · Indie · Dungeon Crawler
Hades II
Shared: Action · Female Protagonist · Dungeon Crawler
Gensokyo Night Festival
Shared: Action · Indie · Early Access
UBERMOSH
Shared: Action · Indie · Female Protagonist
Bright Memory: Infinite
Shared: Action · Indie · Female Protagonist
The Void Rains Upon Her Heart
Shared: Indie · Bullet Hell · Action
Touhou Blooming Chaos 2
Shared: Action · Indie · Bullet Hell
The Binding of Isaac
Shared: Indie · Action · Procedural Generation
ICEY
Shared: Action · Female Protagonist · Indie
Hades
Shared: Indie · Action · Dungeon Crawler
Vampire Survivors
Shared: Bullet Hell · Indie · Action
Cinderia
Shared: Action · Dungeon Crawler · Indie
Death Must Die
Shared: Bullet Hell · Action · Indie
Touhou Fuujinroku ~ Mountain of Faith.
Shared: Action · Indie · Bullet Hell
Touhou Koumakyou: New Classic - the Embodiment of Scarlet Devil
Shared: Bullet Hell · Action · Female Protagonist
Be My Horde
Shared: Indie · Bullet Hell · Early Access
Megabonk
Shared: Indie · Bullet Hell · Action
Rabi-Ribi
Shared: Bullet Hell · Female Protagonist · Indie
永远消失的幻想乡 ～ The Disappearing of Gensokyo
Shared: Bullet Hell · Action · Female Protagonist
Bleed 2
Shared: Action · Indie · Bullet Hell
Touhou: Scarlet Curiosity
Shared: Action · Bullet Hell · Indie
Exit the Gungeon
Shared: Indie · Action · Bullet Hell
Ancient Dungeon
Shared: Action · Indie · Dungeon Crawler
Star of Providence
Shared: Bullet Hell · Indie · Action