Dreadnought tutorial and ship class introduction. Dreadnought is new ship to ship battle game from Greybox where you have team based 5vs5 battles with different ship classes. Become a captain, command epic ships, and lead your team to victory. Dreadnought - Size Matters. Game is currently in closed beta. You can either apply to closed beta or buy founders pack to get access to closed beta. Dreadnought:.