Developer Moon Studios gained its popularity in the gaming industry by developing the games Ori and the Blind Forest in 2015 and Ori and the Will of the Wisps in 2020.Both games were developed in partnership with Xbox Game Studios and obviously for this reason, both are available right now to play via Xbox Game Pass.
However, according to Moon Studios' CEO on social media, Thomas Mahler Gennadiy, playing Ori and the Blind Forest and Ori and the Will of the Wisps via Xbox Game Pass doesn't help the studio, and he recommends that players buy their copies via Steam:
When asked "Why not on the Xbox store?", he replied
He also said Ori on PlayStation is up to Phil Spencer: