By popular demand, here is the final package for Hopper, including the last release, a few unused assets and its sources.
I don’t think this deserves to be on any code sharing platform but the license is WTFPL, so do what the fuck you want with it.
By the way, it looks like it does run on wine under GNU/Linux. \o/
And finally, a small surprise for the hardcore Lander fans out there :
WebGL hopper test ( don’t try this with Internet Explorer ).