Games like Artifact Adventure Gaiden DX
Games like Artifact Adventure Gaiden DX include Undertale, DELTARUNE, CrossCode, To the Moon, and Katana ZERO. We matched them by the tags players give Artifact Adventure Gaiden DX on Steam (RPG, Indie, Action, Pixel Graphics, and Retro): closest matches first, and among equally close ones the better-known games.

Undertale
Shared: RPG · Pixel Graphics · Story Rich

DELTARUNE
Shared: RPG · Pixel Graphics · Story Rich

CrossCode
Shared: RPG · Pixel Graphics · Action RPG

To the Moon
Shared: Indie · Pixel Graphics · Story Rich

Katana ZERO
Shared: Action · Pixel Graphics · Indie

OMORI
Shared: Indie · RPG · Pixel Graphics

UFO 50
Shared: Indie · Pixel Graphics · Action

Vampire Survivors
Shared: Pixel Graphics · Indie · 2D

Hotline Miami
Shared: Action · Indie · Pixel Graphics

SANABI
Shared: Pixel Graphics · Action · Story Rich

Broforce
Shared: Action · Pixel Graphics · 2D

Bastion
Shared: Indie · Action · RPG

Shovel Knight: Treasure Trove
Shared: Pixel Graphics · Indie · Retro

Hero Siege
Shared: Pixel Graphics · RPG · Action RPG

OneShot
Shared: Indie · Pixel Graphics · Story Rich

Evoland 2
Shared: RPG · Indie · Action

A Bird Story
Shared: Indie · Pixel Graphics · Story Rich

Eastward
Shared: Pixel Graphics · RPG · Story Rich

Black Myth: Wukong
Shared: Action · RPG · Action RPG

Hotline Miami 2: Wrong Number
Shared: Pixel Graphics · Action · Great Soundtrack

Hyper Light Drifter
Shared: Pixel Graphics · Indie · Action

Drova - Forsaken Kin
Shared: RPG · Pixel Graphics · Action RPG

Chained Echoes
Shared: RPG · Pixel Graphics · Indie

Shotgun Legend
Shared: Indie · RPG · Action