APK MOD INFO
Name of Game: Portal Of Doom: Undead Rising
VERSION: 1.0.1

Name of the cheat, mod, or hack (credits: wendgames):
-Mod Ammo/Ad-Free

Portal Of Doom: Undead Rising MOD APK 1.0.1 (Mod Ammo/Ad-Free)

Download the CACHE file/OBB file. They should be .zip or .rar files.
Extract the file to your sdcard.
Move the extracted folder to the location: /sdcard/Android/obb