This game took about 10 hours tops total + planned updates

I made the first prototype of this game in 2 hours. I then added content to it gradually. This was kind of a joke at first but I liked it a lot so I kept adding to it and I like how it´s turning out. It´s fun to play with friends, though I wish I had made it online to be able to use the mouse. 

Some updates I´m almost sure will be coming are maps, with platforms, different and interesting backgrounds and objects the players can interact with, like the boxes but with other characteristics (for example, boulders that can be rolled and dropped to damage another player, bombs falling from the sky and such or even fountains that periodically generate ammo or health packs), and power ups, which can give  a player temporary speed, armor, infinite ammo etc.. Any thoughts on any of this are appreciated!