UPDATE: THE GAME IS ALMOST READY WILL BE LAUNCHED BY END OF SEMPTEMBER! In SIR SIMULATOR! you can earn money courency called BOJS by doing different jobs and then you can buy limited backpack available for limited time only, "NEVER RETURNS AGAIN" and stays forever in your inventory. It would be replaced by a new back pack and i will let you know on my youtube channel "Ved Tanwani" that when it is replaced. So enjoy!