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