Dungeons & Dragons Onslaught is a competitive skirmish game where players lead an adventuring party from one of the major factions in the Forgotten Realms. Players explore dungeons, engage in tactical battles against rival adventurers, and face dangerous monsters while pursuing treasure and victory. The core set supports two players and contains twelve characters from the Harpers and Zhentarim factions, along with a variety of monsters. It also includes a campaign that pits rival parties against each other in a ruined keep, culminating in a confrontation with a powerful black dragon. The game is designed for 2 or more players, with an average playtime of 90 minutes, and is suitable for ages 14 and up. It is a unisex product.