Gamma World Monster Themes - GM Advice: Mutating your D&D Monsters

If you like the genres Fantasy (Science Fantasy), Science Fiction (Post Apocalypse) , this game is for you.

If you like the mechanics Attribute/Stat Based (STR, CON, PER, etc), Cards (Specialized), Dice (Primarily d20), Random Attribute Generation (during Character Creation) , you will enjoy this game.

This game falls under the category: Sourcebook (rules/options to enhance play).