APK MOD INFO
Name of Game: Lab of the Dead
VERSION: 1.13

Name of the cheat, mod, or hack (credits: wendgames):
-MOD RP

Lab of the Dead MOD APK 1.13 (Mod RP)

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