Games like Spectro
Games like Spectro include Hades, Megabonk, Mortal Sin, Hades II, and Risk of Rain 2. We matched them by the tags players give Spectro on Steam (Action, Indie, Action Roguelike, Roguelite, and Dungeon Crawler): closest matches first, and among equally close ones the better-known games.

Hades
Shared: Action Roguelike · Indie · Roguelite

Megabonk
Shared: Action Roguelike · Indie · Roguelite

Mortal Sin
Shared: Action Roguelike · Indie · Action

Hades II
Shared: Action · Roguelite · Action Roguelike

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

Gunfire Reborn
Shared: Roguelite · Indie · Action

Slasher's Keep
Shared: Action Roguelike · Action · Indie

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

UnderMine
Shared: Action Roguelike · Roguelite · Indie

The Binding of Isaac: Rebirth
Shared: Action Roguelike · Indie · Dungeon Crawler

Ziggurat
Shared: Action · Roguelite · Action Roguelike

Vampire Survivors
Shared: Action Roguelike · Roguelite · Indie

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

COMPOUND
Shared: Action · Indie · VR

Dungreed
Shared: Action Roguelike · Action · Indie

Enter the Gungeon
Shared: Action Roguelike · Indie · Dungeon Crawler

Delver
Shared: Action Roguelike · Indie · Dungeon Crawler

Shape of Dreams
Shared: Action Roguelike · Action · Roguelite

Heroes of Hammerwatch II
Shared: Action Roguelike · Action · Dungeon Crawler

Wizard of Legend
Shared: Action Roguelike · Action · Dungeon Crawler

Heavy Bullets
Shared: Action · Indie · Action Roguelike

Ancient Dungeon
Shared: VR · Action · Indie

Death Must Die
Shared: Action Roguelike · Roguelite · Action

Heroes of Hammerwatch
Shared: Action Roguelike · Roguelite · Indie