To release a game which relies on online connectivity for unlocks on a DRM-free site is not just tonedeaf, it's utterly insulting! I do not encourage review bombing, but releasing THIS version with THESE features on THIS plattform earns it an absolute failure rating purely on context. Like a version that doesn't run or otherwise just doesn't work reliably.
If you played the game on PS2 like I did and hated it, give this version a shot. Controlls are smoother with mouse and keyboard and the game doesn't suffer from the attrocious loading times it had on the PS2! It can still be somewhat confusing at times about where to go or what to do, but it's well worth the effort to reach the later levels!