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