Thunder Castle for Pico-8

My Pico-8 remake of the glorious Thunder Castle by INTV Corporation (1986) for Intellivision, with some quality-of-life improvements: UI: shows the magic objects you're carrying; a progress bar at the bottom of the screen shows the duration of your energized state;Achievements: the top 5 high-scores are recorded as well as the maximum level reached; the time indicates when you’ve reached such lev…