String Theory

The only thing I can really say against this game is that it pins down chords I like as incorrect. For a somewhat intricate subject, it approaches with a concise implementation with a minimal penalty for misunderstanding it or failing its conceptual basis. For a learning game, in my experience, they are usually more effective under such an approach.

There is black hole "string theory", but before that there was sound hole "string theory" for acoustic guitars. I reckon music was the reason for the origin of physics.

Pretty good game. Only downside is that it isn't hard at all. So the ammount of ear training you can achieve is limited. I would've the devs add chord progressions, chord inversions (that you must identify) and borrowed chords to make it more interesting and useful. I guess there are apps for mobile that do that, but a game on steam - with achievements and all that jazz - that had these features would be really great. And if anyone decides to do that, add interval recognition, melodic dictation, rythmic dictation and dodecaphonic series dictation to make it a very thorough ear training game. Overal, if you're a beginner this will be a good start to getting your ears trained. Just make sure to pair it with interval recognition training to accelerate your ear development.