APK MOD INFO
Name of Game: Roller Coaster Simulator Space
VERSION: 1.3

Name of Cheat/Mod/Hack (credits: wendgames):
-UNLOCKED

Roller Coaster Simulator Space MOD APK 1.3 (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