Power Unleashed is a set of 56 cards for use with OGL & D20 Super Hero RPGs. Each card has a different effect on the game. Some introduce new story elements, while others enhance or diminish characters' abilities. The cards add an additional facet to the standard OGL & D20 Super Hero RPG game, adding both depth and a certain degree of unpredictability that can aid both roleplaying and storytelling.
If you are looking to add a little “spice” into your gaming adventures in the OGL & D20 Superhero genre, then this is the PDF for you. Best of all it is OGL and D20, so you can use it with the world most popular RPG rule set and should be easily compatible with any OGL and D20 Superhero genre based systems on the market today.