Robin's Laws of Good Game Mastering Cthulhu then mine the resources to

then mine the resources to produce new robots

Dungeon Grappling contains rules based on Open Gaming Licence content from several editions of the industry’s most popular RPG – explicit examples for Swords and Wizardry

GURPS Prime Directive

New playtest rules and cards for Star Fleet Battle Force (and a scenario where you can use the deck you already have)

and the Third Imperium

Robin's Laws of Good Game Mastering Cthulhu then mine the resources toHas your game got the blahs? Are your players spending more time thumbing through your book collection than hunting down clues, more energy heckling one another than in crushing their cruel foes? Never fear, O beleaguered Game Masters, for Robin D. Laws, noted game designer (Feng Shui, Hero Wars, Dying Earth, Rune) and columnist for Dragon magazine, is here to help. Know your players! Analyze your system! Build your campaign! Design adventures!