Here is the full list of all 22 Space Warp achievements.
Beat personal best record.
Complete 3rd world.
Complete 2nd world.
Failed 10 times.
Complete 1st world.
Complete level after almost dying in radiation zone.
Complete 1st level.
Watch complete replay.
Complete 8th world.
Complete 7th world.
Complete 6th world.
Complete 5th world.
Complete 4th world.
Fall into a black hole.
Failed 500 times.
Failed 250 times.
Failed 100 times.
Failed 50 times.
Beat personal best record 5 times.
Beat personal best record 10 times.
Beat personal best record 50 times.
Compete with at least 5 friends.