APK MOD INFO
Name of Game: Cut the Rope HD
VERSION: 2.5.2

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

Cut the Rope HD MOD APK 2.5.3 (Unlocked)

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