There are so few original games these days that any time something new pops up, we’re eager to check it out. Graveck’s Strata ($3) is the rare example of a Mac App Store title that seems to be truly unique; it’s not just a port of an iPhone/iPad game, and it’s not just a slightly modified take on some popular genre. Instead, it’s a new kind of puzzle game that combines simple but beautiful graphics and increasingly…
