Here is the full list of all 17 RUKIMIN's Disappointing Adventure! ~SHOBOMI AND THE PHANTOM RUINS~ achievements.
Completed the mission.
Finished the tutorial.
Meet a PRINCESS BELL!
Falling walls hold secrets.
Overflowing from the screen.
Game over on the game select scene.
Game over on the title screen.
Returned to the starting point.
Died 100 times
Eat rice balls
Beat BLOCK KING!
Died 50 times
Died 10 times
Died once.
Clear with less than 5 deaths
Beat BLOCK KING! ver2.0
Completed faster than 10 minutes.