Getting sub one hour had been a very long-time goal for him and he finally pulled it off in June 2022. You can see the pop off around the 57:00 minute mark. GrandPooBear's Portrait in Fraternal Fortress. It is regarded by many as one of the greatest Kaizo Mario hacks of all-time, with Grand POOBear himself referring to it in a Speedrun Sessions event as 'his favorite game of all-time'.
The ROM hack received near-universal acclaim from players for its outside the box and original level designs, remixed soundtrack, and multiple ending paths.
Grand Poo World 2 has been played by numerous high-profile streamers in the Kaizo Mario community including Ryukahr, Juzcook, Thabeast721, Nobletofu, GlitchCat7, PangaeaPanga, Failstream, and Grand POOBear himself, among others.