I have really appreciated the discussion of penta melody, http://www.guitargym.co/space/talk?id=CRIENMYU2FX&t=VYHOSKXYBIA so I was wondering what you guys think about the other games.

My personal favorite is fretmaster, as it is the foundation of all the others, and is a great tool for learning to sight read guitar. However, I think that if in the later levels (140+) The time limit and amount of questions should be increased, as that would force for greater accuracy and is less reliant on high-speed mouse clicking, especially as there are currently not keyboard shortcuts.

My next favorite is Chord Maze, as it lets me never need a chord chart again, and up to about level 135 I was able to use music theory and manipulate CAGED chords to find out 7, dim7, Maj7, minor, add9, etc..
However, around level 145 it gets hectic. All kinds of 6 and 6min, min-maj7, 1/2dim7, and unusual 7 shapes are all introduced at one level that is 100 times harder than any level before it. I had to get out pen and paper to write down chord shapes, and it took me almost 100 games just to pass it, and 146 is similarly hard, with more random 7 shapes and some 145 review.

Next is chord puzzle, basically a companion of chord maze, with similar benefits. It is unfortunately frozen at question 2 of level 120 so I have not been able to experience the crazy level 145 of chord maze chords.

Intervalix is a great interval game and now I can finally differentiate sixths...

I have a new opinion post discussion on penta melody and am finally playing it and I actually kind of like it.

Scale adventure is sort of useful once you get to level 130 and can apply all the pervious levels to maj/min/modal scales, not just 1000s of pentatonic inversions...
Unfortunately, right after introducing dorian, it now gives no questions at level 143.

I wish chorductor had spent more time on solidifying the CAGED chords chord degrees as if you can do this, it allows you to make every other chord you will ever play just from the CAGED chord inversions, IMHO all most other chord types are derived from these by editing the chord degrees, and therefore knowing a min-maj7 chord's 3 is the same as a maj chord's 3 etc.

This is just my opinion, I would love to hear what you guys think, especially @Petr Hartmann @Cuantas Cuerdas @Catherine McKay @Jonny Levin @Bartosz Samitowski @Jose Ledezma @Nicolae Orengo