> initial version of Agar.io took 1 week The protoype of my successful (non-game) software took 2 hours (though it percolated a while). But I still haven't fin

> initial version of Agar.io took 1 week The protoype of my successful (non-game) software took 2 hours (though it percolated a while). But I still haven't finshed a prototype of my recent ideas, after years of research and development. Could it be that successful ideas are simple enough to prototype quickly? But what about complex games, like Horizon Zero Dawn, or Zelda: Breath of the Wild? It turns out they did prototype BotW... and not the beautiful 3d graphics or physics, just a 2d top-down version.