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