No missable achievements (plus 8 unknown)
Sign in with Steam or Xbox to track your progress, and:
Build a level with every block type.
Score 100 points in Practice mode (single-player).
Bump 1,000 robots total.
Save 10 custom levels.
Bump 5,000 robots total.
Save 50 custom levels.
Play Battle mode with six people (local or online).
Play every game mode at least once.