Karateka is a martial arts action game published by Broderbund. The evil Akuma has destroyed the protagonist's homeland, killed many of his friends and kidnapped the princess Mariko. Fortunately, the hero is skilled in martial arts, so his inevitable quest to reach Akuma's palace and rescue Mariko has a chance of success. The game exhibits a combination of a side-scrolling platform and fighting game elements similar to a beat 'em up. The player uses punches and kicks to defeat Akuma and his guards and make his way deeper into the fortress.