Game 1: Collect cans on the street and go from homeless to rich and try and see how rich you can get.
Game 2: Amazing Amazon. Fill boxes and complete orders to get cooler boxes and more complex orders.
Game 3: Unboxing game where you unbox packages and get new tools to unbox it.
Game 4: you are given a prompt with materials and you have to go out and find those recourses to build that certain thing
Game 5: Pop it. If you do it before the timer runs out then you get a cooler pop it
Amazing Amazon is a great contender for an endless game. With so many different products on Amazon, the options are almost limitless.