Onslaught is an action game developed by Hewson Consultants and originally released for the Amiga before being ported to the Sega Genesis/Mega Drive. Released in the early 1990s, players embark on a fantasy epic, assuming the role of a lone warrior battling through hordes of enemies and overcoming challenging landscapes. The game is known for its side-scrolling combat mechanics mixed with platforming elements and a variety of enemies and bosses to defeat. Its notable for its blend of action and strategy, requiring players to manage their resources and navigate through levels with precision.