Here is the full list of all 38 Monster Monpiece achievements.
100 successful First Crush ♡ rubs!
Tokio area cleared!
Won 70 offline battles!
Okinava area cleared!
Fukuruko area cleared!
Your Rub P stock has exceeded 10000!
Won 50 offline battles!
Triggered extreme love 50 times!
Got 100 kinds of cards!
Ki Outo area cleared!
50 successful First Crush ♡ rubs!
Ho Kaido area cleared!
Won 30 offline battles!
Triggered extreme love 20 times!
Hollowlo area cleared!
Ginuma area cleared!
10 successful First Crush ♡ rubs!
First successful First Crush ♡ rub!
Triggered extreme love!
Performed First Crush ♡ rub!
Won 10 offline battles!
Kunaguva area cleared!
Trained for the first time!
Performed fusion for first time!
Acquired a card for first time!
Won a card battle with 0 damage!
Won a card battle for the first time!
Attacked castle for first time!
Battled for the first time!
Started the game for the first time!
Obtained all the achievements!
Si Ku Ork area cleared!
Got 500 kinds of cards!
Irresistible Force
Won 100 offline battles!
Cleared the game!
Triggered extreme love 100 times!
300 successful First Crush ♡ rubs!