An interesting gameboy styled turn-based roguelite concept.
The stylized UI is really neat and nostalgic, and the spritework is serviceable, although it's hard to tell what some of the enemies are supposed to be. I also would like if it had some VFX to go with the spells, for instance, having Ruby spells spew flames or Sapphire spells shock enemy shields with electricity. What would be even cooler is if you could combine gems "Magicka" style to create new spells.
The music is uh... honestly a bit grating, and the SFX aren't particularly good, but I believe that's part of the style and charm of the game, so I'm willing to give it a passing grade.
Some sort of an in-game tutorial would be nice, but the description of the game does its job fine. The locations are not labeled right, however. Going right takes you to the Temple even though it says Sanctuary, and vice versa.
The best part of this game is it's uniqueness. I can safely say that I haven't played a game very similar to this one, and I think it has a lot of potential to be a good game with lots of replay value, but it still has a ways to go in terms of balance and challenge.Nice work. I hope future versions further refine this uncut gem of a game.