National Security Decision-Making Game

The NSDM Game recreates real-world international crises of the present or immediate future. Ideas for scenarios are taken from current headlines and developing trends. Players take the parts of national leaders, dignitaries, ambassadors, military leaders,
http://www.nsdmg.org/

Mercenaries, Spies and Private Eyes

A contemporary system in which the players are flinty mercenaries, suave spies, and gumshoe detectives.
http://www.flyingbuffalo.com/mercen.htm

Spookshow

There are ghosts. Some of these ghosts have learned to take on mortal guise again, for short periods of time. They walk the earth once more, pretending to be human. They even have jobs. They crave adventure, excitement, intrigue, and they've found the per
http://www.clockworksgames.com/spookshow.html

Web-Grognards: Commando

Variant combat and character-generation rules for SPI's roleplaying game set in World War II.
http://grognard.com/variants/commando.pdf

PCCS Unofficial Support Page

House rules, new weapons, and links for Leading Edge Games' "Phoenix Command".
http://www.phoenixcommand.com/

The Adventures of Luther Arkwright

Review and ordering information of a system in which players take the parts of people living on alternative Earths.
http://www.modernvikings.com/luther-arkwright/rpg.htm

Modus Operandi

Articles, NPCs, downloads, forums, news, and scenario hooks for various espionage systems.
http://www.modus-operandi.co.uk/

Delta System

New rules and skills, a campaign based on the manga Appleseed and another set in a world savaged by extreme natural forces and torn by a great war, for the Delta Force system.
http://www.vampyreweb.com/rpg/delta/

The M.I.B. Files

New Aliens, Monsters, Gadgets, Vehicles, and Characters for West End Games' Men in Black roleplayng system.
http://www.geocities.com/men_in_black_USA