Is this really a game jam game? It feels so fleshed out and polished! From the loading screen with the tombstone Gameboy cartridge, it grabs your attention and never lets go. The sprites are beautifully detailed, and the music and sound effects fit perfectly. I love how the four colors were used creatively with the lamp and shader. The screen transitions feel very Gameboy-esque. I played for quite a while, expecting to reach the end, but it kept presenting new and increasingly challenging puzzles. Definitely one of the best submissions I've played. Awesome game!