If nature was able to make a videogame I think it would be Alea. And it’s not just because it’s a twee, musical hike through a “psychedelic forest.” Nor is it due to its two graphics options: “Shrub” and “Tree.” I say that because you can play it with a moss controller. Like, actual moss, those green clumps of shrub that grow in the cracks of pavements or atop roofs. You’ve seen it. Yeah, that stuff. This is really happening. Right now, at Fantastic Arcade, Alea is being played on an arcade cabinet. You have to poke all four fingers…