Games like TumbleSeed
Games like TumbleSeed include Skul: The Hero Slayer, Hades, The Binding of Isaac, Vampire Survivors, and The Binding of Isaac: Rebirth. We matched them by the tags players give TumbleSeed on Steam (Action Roguelike, Indie, Action, Adventure, and Nature): closest matches first, and among equally close ones the better-known games.

Skul: The Hero Slayer
Shared: Indie · Action Roguelike · Action

Hades
Shared: Action Roguelike · Indie · Roguelite

The Binding of Isaac
Shared: Action Roguelike · Indie · Action

Vampire Survivors
Shared: Action Roguelike · Roguelite · Indie

The Binding of Isaac: Rebirth
Shared: Action Roguelike · Indie · Difficult

Dead Cells
Shared: Action Roguelike · Adventure · Roguelite

Enter the Gungeon
Shared: Action Roguelike · Indie · Difficult

Dungreed
Shared: Action Roguelike · Action · Indie

ScourgeBringer
Shared: Indie · Action · Adventure

Noita
Shared: Indie · Difficult · Action Roguelike

UnderMine
Shared: Action Roguelike · Indie · Roguelite

Nuclear Throne
Shared: Action Roguelike · Indie · Action

Risk of Rain (2013)
Shared: Action Roguelike · Indie · Action

Devil Slayer - Raksasi
Shared: Action Roguelike · Action · Difficult

Rogue Legacy 2
Shared: Action · Indie · Adventure

Ravenswatch
Shared: Action Roguelike · Action · Indie

One Step From Eden
Shared: Action Roguelike · Roguelite · Action

Streets of Rogue
Shared: Action Roguelike · Roguelite · Action

Risk of Rain 2
Shared: Action Roguelike · Action · Roguelite

Vagante
Shared: Action Roguelike · Action · Difficult

Hollow Knight: Silksong
Shared: Indie · Difficult · 2D

Rogue Legacy
Shared: Indie · Action Roguelike · Action

SYNTHETIK: Legion Rising
Shared: Indie · Action Roguelike · Action

Megabonk
Shared: Action Roguelike · Indie · Roguelite