The New York sewers were never like this!
You've fallen down a hidden manhole into a world of creatures so terrifying they'd scare the rats away. You can panic and perish, or blast your way through an endless maze of tunnels, searching for the secret passages that will lead to your escape.
But that's the easy part! Watch out for the Masters of the Caverns who lay waiting - prehistoric creatures so powerful, so gigantic, they literally fill your screen! So load your arsenal and get ready for Blaster Master.