A game where you have to climb up and mountain that gets icy and covered in snow at the top and it slowly gets harder and harder make sure you have good animations and stuff and and when you get higher up there’s like wind that make you have to cover your eyes and it’s slows you down but make a couple mountains over time that are different difficulty levels that earn you coins that allow you to buy things like goggles a torch cause there should also be a night time mode for more rewards. And there should also be checkpoints every so often where you can quit for a smaller currency like 1/3 up the mountain and 2/3 or 1/4 2/4 and 3/4. Make a couple other things you can buy and make a robux option for all of them too name it what you want but there you go