No missable achievements (plus 22 unknown)
Sign in with Steam or Xbox to track your progress, and:
Find the secret level with spammers.
Find Mr. Perfect's secret level.
Find the secret base on lava planet's moon.
Find the secret science lab level.
Find and capture all 9 galactic villains.
Kill 60 troops with one hit.
Finish game on hard difficulty or higher.
Activate 100 devices with RemCon.
Finish one level with Armageddonator.
Pick up 100 hitchhikers.
Crack 100 crates open.
Finish campaign without being shot down.
Unlock all 12 ships.
Find all secrets.
Reach score of 10.000 in Tetrix.
Reach score of 100 millions.
Make one hero obtain all medals.
Kill 100.000 troops.
Kill 100.000 air targets.
Kill 10.000 ground targets.
Destroy 250.000 targets.
Get to 10th round of the campaign.