How about a “protect the objective against the horde” game?
Me and my partners are going to apply to Jam, and we came with the Idea of making a multiplayer “objective defense” 2d sidescrolling game!
A little mockup of our level.

Me and my partners are going to apply to Jam, and we came with the Idea of making a multiplayer “objective defense” 2d sidescrolling game!
A little mockup of our level.
