We know all about Phil’s success when Hercules saves Meg and becomes a hero -- but what we don’t from the 1997 Disney hit is how Phil trained heroes and champions long before Hercules came on the scene.
Phil may be smaller than most, but he is quite nimble. So it would be cool for him to battle in a badass style similar to Yoda in Star Wars. Phil’s game would be a co-op cartoony brawler or shooter similar to Smash Bros or Overwatch, in which you would be helping other Ancient Greek heroes (such as Achilles) fight various mythical beasts like minotaurs, the Hydra, or a sabre tooth tiger.
Disney could even get Danny DeVito to reprise his role with witty one liners whilst ridding the world of foes.