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