I have decided on the name of the game: Agents of YIELD 
In the future the world is invaded by aliens and they over power all of our armies. But the international farming organization YIELD finds that the alien robots use an element in their circuitry that fails when it gets in touch with a corn seed. So they send one of their seeder robots to fight loaded with corn seeds. Agent Cornson…
Well I was watching some Agents of Shield yesterday and that gave me the idea 
Other than healing packs and keys I have an initial gfx design for every other graphic element. And it started to look much more like a game now

I am happy with the progress. Before the end of day today, I intend to finish in game graphics and start a music piece for it.