Gravity Crash achievements

Finish the single player campaign game

Collect all artifact pieces

Create and publish a level then have it rated by 5 users

Complete 'Norova' level without refuelling or dying

Have rear, side and 3-way fire simultaneously

Collect a total of 10 purple gems across different levels

Unlock any secret level

Beat the recommended time on 10 levels

Find 5 user created levels you like, and rate the creators

Kill 255 gun or missile turrets

Complete 'Vectora' level without firing a single shot

Refuel your ship after the fuel depleted warning message is displayed