Here is the full list of all 20 Hentai Loli vs Pedobear achievements.
Cleaner
Assassin
Soldier
Sniper
LaraCroftova
PedoBearKiller
Find Airport
Find Factory
Deadly
Find Forest
Find SkyScraper
Sharp
Find Tram
Find Stadium
Precision
Sheriff
Find Bridge
Gunslinger
Tough
Find Downtown