Board Thread:Questions and Answers/@comment-33935463-20180426192324/@comment-31598739-20191109223615

Chasekilleen wrote: That's false because the game's story was written by Araki himself and the game was overseen by Hirohiko Araki himself!! it's canon.

It's as canon as you can get when related to the JoJoverse Taken directly from DIO's history section regarding Eyes of Heaven:

"(The information below derives from a Light Novel not written by Araki. As such, it may or may not be considered canon.)"​​​