> beyond unreal (for structure study)
> umodel (for viewing and extracting things)
> hex editor (HexWorkShop)
> a good brain

it will be a good way to start
you may do many things like mod skin, edit hitbox, edit mesh, remove objects, make things transparent... bla bla... but remember it's resources client side hack ... not like other awesome memory editing hack so it will be limitations.
UPK is unprotected package (unlike .USAx nor .u ... bla bla)
Tell me if anyone can edit .ut3 maps ... i have no idea how game verify it nor bypass verification
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Originally Posted by
Mr.Cookies
u can share only for me? in PM.
I will not disappoint you

(share for public)
sorry, i can't...
try to request friend on facebook again... i has changed my privacy settings. you will able to do it