Mutants & Masterminds Second Edition (2005)

The core book, now in its 2nd edition, features streamlined d20 rules to launch you and your friends into the world of powerful super heroes. From the back of the book:

The World's Greatest Superhero RPG Returns!

Mutants and Masterminds launches you and your friends into fantastic worlds of super-powered adventure! Become superheroes with powers and abilities far beyond those of ordinary mortals. Protect the city and the world from the forces of evil, thwart the plans of criminal masterminds, and bring the guilty to justice!
Mutants and Masterminds gives you a complete, innovative, and detailed system for superhero roleplaying, giving you all the tools you need, including:

One Core System! The Mutants and Masterminds game system is streamlined and easy to use. All you need is a single twenty sided die to play!

Limitless Powers! With more than a hundred powers to choose from, along with power modifiers and power feats to customise them in dozens of different ways, you have a virtually limitless array of powers to create and character you want.
Fast and Furious Fights! No long, drawn out battles; Mutants and Masterminds plays fast and furious! You can determine all the effects of an attack with a single die roll, and the hero point system encourages players to perform amazing and innovative stunts.

Ready to Play! With a dozen ready-made hero archetypes, even more villain archetypes, supporting cast characters, monsters, and gear, you have everything you need to start playing right away. This book also includes two introductory adventures to help you get started and learn to play the game!

New and Improved! The Second Edition streamlines and updates the rules from the First Edition of Mutants and Masterminds, winner of GenCon EN World RPG Awards for Best game and the Peer Award for most innovative product, along with numerous other awards and accolades. It makes the Worlds Greatest Superhero Roleplaying Game even greater!

So what are you waiting for? Put on your mask. Take up your powers. Fight the forces of evil. Save the world.