Airsoft is a game or sport in which people take part in the simulation of military combat. The guns are made to look exactly like the real thing, but the ammo is different and safer. Airsoft first originated in the late 1980's in Japan. Since guns are illegal to own in Japan, some people developed a type of gun that was a replica of real guns, except it fired plastic bb's. This quickly became very popular in Japan. It then spread through out the rest of Asia and parts of Europe. Nowadays, airsoft is still very popular in those areas and has the United States interested as well. The reason airsoft has never really taken off in the US is because its cousin sport, paintball, has the popular vote. It is gaining popularity though.