Here is the full list of all 50 Loop-Loop DX achievements.
See the good ending.
Achieve every achievable achievement there is to achieve!
Defeat 'The Warden' without taking damage.
Defeat 'The Warden'.
Beat zone 6 in 'Adventure Mode'.
Rescue Vektor.
Get the money bag(s) in zone 6.
Survive in 'Bullet Hell Mode' for 3 minutes and 30 seconds.
Survive in 'Bullet Hell Mode' for 3 minutes.
Survive in 'Bullet Hell Mode' for 2 minutes.
Collect 8 money bags within one round of 'Bullet Hell Mode'.
Survive for 60 seconds in 'Legacy Bullet Hell Mode'.
Reach layer -1 with all 5 hearts in 'Legacy Mode'.
Survive for 30 seconds in 'Legacy Bullet Hell Mode'.
Beat zone 5 with minimum stats.
Beat zone 5 without taking damage.
Beat zone 5 in 'Adventure Mode'.
Beat zone 4 without taking damage.
Beat zone 4 with minimum stats.
Beat zone 3 without taking damage.
Beat zone 3 with minimum stats.
Get the money bag in zone 5.
Pee continuously for 30 seconds.
Buy everything from the 'Ship Shop'.
Beat zone 4 in 'Adventure Mode'.
Get the money bag in zone 4.
Survive for 15 seconds in 'Legacy Bullet Hell Mode'.
You discovered what was beyond Layer 0 in 'Legacy Mode'!
Make it down to layer 10 in 'Legacy Mode'.
Make it down to layer 25 in 'Legacy Mode'.
Beat zone 3 in 'Adventure Mode'.
Get the money bag in zone 3.
Obtain the laser weapon!
Hack into Granny Edna's award-winning Pecan Sandy recipe!
Beat zone 2 with minimum stats.
Beat zone 2 without taking damage.
Beat any zone while have the two-shot split. (Excluding zone 1!)
Own the Floppy Disk without being in debt.
Survive in 'Bullet Hell Mode' for 30 seconds.
Survive in 'Bullet Hell Mode' for 1 minute.
Collect 4 money bags within one round of 'Bullet Hell Mode'.
Beat zone 2 in 'Adventure Mode'.
Turn on the "Speech Sounds" in the pause menu.
Go into debt.
Acquire your first refund at the 'Ship Shop'.
Get the money bag in zone 2.
Beat zone 1 without taking damage.
Get the money bag in zone 1.
Make your first purchase at the 'Ship Shop'.
Beat zone 1 in 'Adventure Mode'.