Reach the 9th floor of your first dungeon.

Reach the 13th floor of your second dungeon.

Reach the 16th floor of your third dungeon.

Reach the 21st floor of your fourth dungeon.

Reach the 26th floor of the final dungeon in post-game.

Collect the artifact from Blind Ruins.

Collect the artifact from Descent Ruins.

Collect the artifact from Heaven Ruins.

Collect the artifact from Shades Ruins.

Collect the artifact from Sheol Ruins.

Fight against the PzG III tank, then have a talk with the others after recovering.

Defeat Eugene Leopold in his throne room.

Defeat Eugene Leopold in his giant mecha!

After collecting one artifact, the next dungeon clockwise was sealed.

This second artifact was on a farther floor than the previous one...

With the third artifact found, the dungeons are starting to get pretty difficult!

Now with the fourth artifact found, the investigation in the other dungeon should be finished...

Finally, the fifth artifact has been collected!

Fully pay off ANY debt you owe, whether post-game or not.

Fully pay off the post-game debt of 200,000.

Walk into an enemy's back to get battle initiative.

Fully unlock Mag's Hand Parts skills by learning Giant Knuckle.

Fully unlock Mag's Lightning Hand Parts skills by learning Thunder Shield.

Fully unlock Mag's Moving Hand Parts skills by learning Rank Moves.

Fully unlock Mag's Steal Hand Parts skills by learning Two Birds With One Stone.

Fully unlock Mag's Hammer Parts skills by learning Sledge Hammer.

Fully unlock Mag's Recovery Hand Parts skills by learning Super Doctor M.

Fully unlock Mag's Spray Parts skills by learning Tear Gas Spray.

Fully unlock Mag's Rock Parts skills by learning Hyper Magna Rock.

Fully unlock Linear's Strength Recovery skills by learning Intensive Care.

Fully unlock Linear's Spell skills by learning Love Spell.

Fully unlock Linear's Status Recovery skills by learning Restorative Touch.

Fully unlock Linear's Present skills by learning Mega Boom Box.

Fully unlock Linear's Music skills by learning Combative Tone.

Fully unlock Gre's Storytelling skills by learning Stand Up.

Fully unlock Gre's Spirit skills by learning Spirited Peak.

Fully unlock Gre's Custom skills by learning High Speed.

Fully unlock Gre's Cooking skills by learning Eisheaia Lunch Box.

Fully unlock Gre's Mag-Only skills by learning Morning Call.

Fully unlock Chain's Blade Parts skills by learning Hyper Air Rave.

Fully unlock Chain's Jet Parts skills by learning Reverse Tackle.

Fully unlock Chain's Saucer Parts skills by learning Chain Saucer.

Fully unlock Chain's Flame Blade Parts skills by learning Fire Saucer.

Fully unlock Chain's Battle Parts skills by learning Hyper Chain.

Fully unlock Chain's Counter Parts skills by learning Brute Strength.

Fully unlock Pepper's Bullet Parts skills by learning Pepper Flash.

Fully unlock Pepper's Energy Cart Parts skills by learning All Range Cannon.

Fully unlock Pepper's Special Bullet Parts skills by learning Flat Shot.

Fully unlock Pepper's Ice Cart Parts skills by learning Freezing Tempest.

Fully unlock Pepper's Screw Parts skills by learning Life Drain.

Complete your first dungeon with Mag at Level 10 or higher.

Complete your second dungeon with Mag at Level 20 or higher.

Complete your third dungeon with Mag at Level 30 or higher.

Complete your fourth dungeon with Mag at Level 40 or higher.

Defeat the last boss with Mag at Level 50 or higher.

Complete the post-game 5th dungeon with Mag at Level 60 or higher.

Fully unlock Pepper's Sound Parts skills by learning Retreat Bugle.

Listen to the Jukebox in the bar before the first dungeon is complete.