3D Logic 2: Stronghold of Sage
3D Logic 2 is, as the title may imply, a sequel to the puzzle game 3D Logic, which I discussed previously. The basic principle is the same: to link each pair of different colors. However, 3D Logic 2 has a few differences from the previous game. While you start out with a 3x3x3 cube, it grows quicker and more complicated much more quickly; you pretty quickly reach 6x6x6 cubes with seven colors, which poses quite a challenge. As a result, I found 3D Logic 2 considerably more difficult than the original.
The interface is nicely improved: you can finally clear individual squares, and you can also use the scroll wheel to rotate between colors. These are both welcome improvements (though I found myself using the first considerably more). One thing which still didn't get improved is the overall interface; the game saves your current position, but there's no way to go back and look at a previous puzzle, and once you've completed the game, your current position gets reset so you can't look at any of the puzzles at all.
A few frills have been added. There's very peaceful and relaxing background music, which will almost certainly drive you crazy after a couple of minutes listening to it while stuck on a given puzzle. The sound effects have also been beautified a bit. Finally, a bit of "story" has been added where the game will tell you various mystical properties of the different colors between levels; I didn't really feel that this added much to the game.
Overall, this is a nice addition to a solid puzzle game, although don't play it if you're easily frustrated, since it will take a while to get through, unless you're much luckier or smarter than I am.