Oh this is some cool chiptune grooving. The background synth used in the first one has an ominous kind of vibe to it with how much it wavers and how gritty it is. Undermines the mood which is kind of cool - adds this other layer to it, making it a little ambiguous. The crushed percussion is nice too, filled with that 8-bit goodness and packing a punch.
Burn Your Way Through has some funk to it - the arpeggio melody is great and the snappy drums go hard in this. Love the progression and the occasional dropped beats. I think this may be my favorite of the bunch - it has some sass to it. Could hear this being used a ton of different games from the 8-bit era, honestly.
Finally, Betrayal is befitting of its' name. Reminds me of an old-school choir on a soundchip. It's laden with with this sombre atmosphere and the progression feels almost gospel at points, which only sells that choir feeling all the more. It's hefty and apt for the feelings its trying to invoke.
All in all, good job - nice and varied tracks, well arranged and produced. Best of luck!