Anguna: Warriors of Virtue is an action-adventure homebrew game that was developed in 2008 for the Game Boy Advance. It would later see a port for the Nintendo DS and spinoffs created for the Atari 2600 and NES. Taking influence from The Legend of Zelda and other fantasy stories, you play as an unnamed protagonist that got themselves captured by the enemy while on a journey to defeat the dragon, leader of the monsters. You must now continue where you left off with the sword and unlocked door the monsters thoughtfully left for you.
In this run, Alyosha saves the lands from the dragon in record time with some odd glitching and RNG manipulation to get around quicker and with less hassle and a few moments of dying to cut down on travel time.
You can get the game here.
You can also watch this run played back on a real console here.