Here is the full list of all 29 ESCHATOS achievements.
Clear ORIGINAL HARD Mode.
Reach option level 50.
Play all modes and difficulties.
Clear ORIGINAL NORMAL Mode.
Defeat the Kraken in Area 24 before it is killed by enemy laser.
Watch the replay of another player.
Clear ADVANCED EASY Mode.
Reach option level 25.
Clear TIME ATTACK Mode.
Beat the mysterious organism that had merged with the moon and escape. (Normal difficulty or higher)
Reach a x20 score multiplier.
Survive over 30s with 0 shield.
Clear ORIGINAL EASY Mode.
Reach option level 10.
Destroy the 3 eggs on the carrier in Area 14.
Fight off the giant mothership in Area 20 and plunge towards the moon. (Normal difficulty or higher)
Fight off the transport ship in orbit. (Normal difficulty or higher)
Follow the transport ship into orbit. (Normal difficulty or higher)
Confront the giant mothership in Area 5. (Normal difficulty or higher)
Upload a score to the global leaderboard.
Clear ORIGINAL HARDEST Mode.
Clear ADVANCED NORMAL Mode.
Clear ADVANCED HARD Mode.
Clear ADVANCED HARDEST Mode.
Hold out until the mirror shield autodestructs.
Destroy over 512 enemy bullets with one shield activation.
Finish off the final boss at point-blank range.
Color all 10 planes in the epilogue.
Reach loop 4 in ENDLESS MODE.