Had a hard time coming up with ideas but i went with this:

My game is game about an god or huge giant (like Galactus huge) coming to destroy the earth and begins to do a slow yet powerful punch at the planet. You the player, an intellectual, thinks the giant just wants to brofist the earth like a bro and shall therefore build a rocket (a b-rocket) with a large brofist mold on top to brofist the giant back. The giant will be completely stunned by this and interrupt his punch... for a while, then the earth is still destroyed, it's inevitable So the gameplay is about having to go to different spots and stores to collect and buy material and then assemble the rocket, fire it off and see if it works. In the end, there will be damage regardless.

I know i kinda sound like a madman when i explain this but this is what i wanted to do and the progress is going steady!