https://www.rockpapershotgun.com/hades-2s-melinoe-can-now-run-through-zagreus-underworld-escape-from-the-original-hades-thanks-to-modders
A Hades 2 mod has added Zagreus' underworld escape from the first Hades as a run route in the sequel, letting you play Hades 1 in Hades 2.
hadesrunzagreus