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