I like the idea of the same world map becoming corrupted over, great job there, though you could incorporate glitch graphics and possibly mechanics into the combat.
The combat itself is pretty dull. I'd say it either needs to be faster paced, deeper, or center around a gimmick mechanic.
Though those are critiques I would throw at a game that has been in development for over a week. For a game jam? phenomenal job. Keep at it!