Games like Rhyolite
Games like Rhyolite include Risk of Rain 2, Gunfire Reborn, Ravenswatch, PEAK, and Streets of Rogue. We matched them by the tags players give Rhyolite on Steam (Online Co-Op, Supernatural, Action Roguelike, Trains, and Roguelike): closest matches first, and among equally close ones the better-known games.

Risk of Rain 2
Shared: Co-op · Action Roguelike · Roguelike

Gunfire Reborn
Shared: Online Co-Op · Co-op · Roguelike

Ravenswatch
Shared: Co-op · Online Co-Op · Action Roguelike

PEAK
Shared: Online Co-Op · Co-op · Multiplayer

Streets of Rogue
Shared: Action Roguelike · Co-op · Roguelite

ELDEN RING NIGHTREIGN
Shared: Online Co-Op · Co-op · Roguelike

The Spell Brigade
Shared: Online Co-Op · Co-op · Action Roguelike

Abyssus
Shared: Co-op · Online Co-Op · Roguelike

Risk of Rain (2013)
Shared: Action Roguelike · Roguelike · Online Co-Op

Phasmophobia
Shared: Online Co-Op · Co-op · Supernatural

Children of Morta
Shared: Online Co-Op · Roguelike · Action Roguelike

Roboquest
Shared: Action Roguelike · Online Co-Op · Co-op

SYNTHETIK: Legion Rising
Shared: Online Co-Op · Action Roguelike · Co-op

Heroes of Hammerwatch
Shared: Co-op · Action Roguelike · Online Co-Op

Don't Starve Together
Shared: Co-op · Online Co-Op · Multiplayer

Enter the Gungeon
Shared: Action Roguelike · Roguelike · Co-op

Content Warning
Shared: Online Co-Op · Action Roguelike · Co-op

SWORN
Shared: Co-op · Action Roguelike · Online Co-Op

Hades
Shared: Action Roguelike · Roguelite · Roguelike

Gatekeeper
Shared: Co-op · Roguelike · Action Roguelike

How to Fish
Shared: Online Co-Op · Co-op · Multiplayer

Ember Knights
Shared: Co-op · Action Roguelike · Online Co-Op

Rampage Knights
Shared: Co-op · Action Roguelike · Roguelike

Sephiria
Shared: Co-op · Action Roguelike · Roguelike