motorstorm

Hello everyone, I saw this video which appears to present a pre-release version of Motorstorm Apocalypse, with dev tools and unreleased maps. Has this version been found yet? Was this version already known to exist? Here's some Twitter posts by one of the original Motorstorm devs for context.

Hello guys! I just saw on youtube this video: I am a big fan of Motorstorm, specifically MS Apocalypse. I would love to know how it was possible to obtain this demo, and if there's any way of myself getting it as well and trying it out. Sorry if this has already been asked or if I'm not...