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