Here is the full list of all 12 Nature Calls achievements.
Take the first place.
Eat 1000 foods
A nuclear bomb killed three people at the same time.
Three people were killed in the race.
Eliminate 100 shit bombs.
The first time to eliminate the shit bomb.
Kill 100 people with shit bomb.
Kill 100 enemies with urine.
Kill 50 enemies with fart.
In a game, kill 20 enemies with fart.
A game in which the urine kills 20 enemies.
He was ranked number one in 10 times.