Here is the full list of all 63 Girlfriend Rescue achievements.
World 8 fully cleared
Dan level 40
10,000 USD
World 7 fully cleared
Dring 1 Energyzer
World 6 fully cleared
10 hours played
John 200 kills
Drink 6 Red Toros
World 5 fully cleared
29 food consumed
Megumi card
World 4 fully cleared
Dan 200 kills
3 bonuses obtained
World 3 fully cleared
Ralph 200 kills
Saved 40 times
Joy 50 kills
World 2 fully cleared
John 50 kills
Dan 50 kills
1,000 USD
Ralph 50 kills
First hour played
Healed 1 time
I have a girlfriend
Drink 40 Red Toros
Drink 10 Energyzers
Joy 200 kills
Phil 50 kills
Phil 200 kills
Martin 50 kills
Martin 200 kills
Snow 50 kills
Snow 200 kills
Cookie 50 kills
Cookie 200 kills
Lester 50 kills
Lester 200 kills
Al 50 kills
Al 200 kills
Cosmor 50 kills
Cosmor 200 kills
Laura 50 kills
Laura 200 kills
Katia 50 kills
Katia 200 kills
30 hours played
60 hours played
Key used
Fully stocked on ibuprofens
Fully stocked on paracetamols
7 weird eyes used
199 food consumed
Trying random party
0 defeats on hardmode or higher
World 1 fully cleared
Hard mode finished
Rogue mode finished
Maniac mode finished
Legendary mode finished
Dat kiss