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