Don't ask why I made it.. it makes my life easier and it might make it easier on yours.
Couple things I should mention, the paths can't contain any spaces, ( )'s, { }'s or -'s and probably some more symbols. The offset can be used as hex like 0xEEFF or a normal digit.
Games known to have Zlib'd data:
Code:
Batman: Arkham Asylum
Bioshock
Darksiders
Fable 2
Far Cry 2
Fear 2
Halo Wars
Mercenaries 2
Red Faction: Guerrilla
Sacred 2
Splinter Cell Double Agent
Overlord
Two Worlds
Fable 3
If you know a game that uses Zlib, post it and maybe the rest of us can discover something :)