Very cool demo for ya game! I like it alot as the planet phases remind me of Zone 66, an old dos favourite of mine. I managed to find a few super weapons and visit a bunch of planets and solar systems. No bugs found. Xbox controller worked perfectly.
Only critique is that it's very hard to aim. The enemy's on the planet follow you, but to get ahead of them with the boost then circle back around and line them up, It's almost impossible to do this without slowing down to a stop and taking heaps of damage, which I'm sure I would have died numerous times if no deaths was turned off. Lookin good so far otherwise though. Great work mate!