Full list of all 14 Dimension Tripper Neptune: TOP NEP achievements. It takes around 2-3 hours to unlock all of the achievements on Windows.
Obtain all achievements.
Achieve 200,000 points.
Obtain 500 coins.
Defeat 1000 enemies.
Clear all the stages without taking damage.
Achieve 100,000 points.
Achieve 150,000 points.
Clear all the stages.
Fight with two partners.
Gather all your allies.
Clear stage 4.
Clear stage 3.
Clear stage 2.
Clear stage 1.