Games like Adventure Delivery Service
Games like Adventure Delivery Service include Hades, The Binding of Isaac, Hades II, Skul: The Hero Slayer, and UnderMine. We matched them by the tags players give Adventure Delivery Service on Steam (Action, Indie, Roguelite, Top-Down, and Procedural Generation): closest matches first, and among equally close ones the better-known games.

Hades
Shared: Roguelite · Indie · Action

The Binding of Isaac
Shared: Indie · Action · Procedural Generation

Hades II
Shared: Action · Roguelite · Hack and Slash

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

UnderMine
Shared: Roguelite · Indie · Action

Devil Slayer - Raksasi
Shared: Action · Top-Down · Roguelite

Wolcen: Lords of Mayhem
Shared: Action · Singleplayer · Indie

The Binding of Isaac: Rebirth
Shared: Indie · Difficult · Singleplayer

Moonlighter
Shared: Roguelite · Hack and Slash · Dungeon Crawler

Shape of Dreams
Shared: Roguelite · Action · Top-Down

Hotline Miami
Shared: Action · Indie · Top-Down

Ravenswatch
Shared: Action · Roguelite · Indie

Vampire Survivors
Shared: Roguelite · Indie · Singleplayer

Hyper Light Drifter
Shared: Indie · Action · Singleplayer

Sifu
Shared: Action · Indie · Singleplayer

Cinderia
Shared: Roguelite · Action · Top-Down

Rogue Legacy 2
Shared: Action · Indie · Roguelite

Heat Signature
Shared: Indie · Action · Top-Down

Mortal Sin
Shared: Indie · Action · Roguelite

Last Epoch
Shared: Action · Top-Down · Hack and Slash

Dungreed
Shared: Action · Roguelite · Indie

Dreamscaper
Shared: Action · Roguelite · Indie

DR LIVESEY ROM AND DEATH EDITION
Shared: Action · Singleplayer · Difficult

SYNTHETIK: Legion Rising
Shared: Indie · Roguelite · Action