2001 · كتاب مصدر (قواعد/خيارات لتعزيز اللعب)

The C.O.R.E. Directive

A superhero role-playing game based on the d20 system. The rules require the three core Dungeons & Dragons Third Edition books—the Player’s Handbook, Dungeon Master’s Guide, and Monster Manual—along with the Star Wars Roleplaying Game core book.