Early (pre-1990) games using lead or pewter miniature armour (for World War II and modern battle simulation) included Angriff! by Z&M Publishing Enterprises (1968) and (1972), Fast Rules by Armored Operations Society (1970) published later by Guidon Games (1972), Tractics by Guidon Games (1971) later by TSR, Inc. (1975), War Games Rules Armour & Infantry 1925-1950 by Wargames Research Group (WRG) (1973), Panzer Warfare by TSR, Inc. (1975), Kampfgruppe by Historical Alternatives Game Co. (1979), Corps Commander: OMG & Korps Commander by Table Top Games (1986) and Command Decision by Game Designers' Workshop (1986).