Trauma Zero happened in 1999.
Trauma Zero was created in 1999.
Trauma Team happened in 2010.
Trauma - video game - happened in 2011.
Zork Zero happened in 1988.
Zero Divide happened in 1995.
Spaceship Zero happened in 2002.
Zero Critical happened in 1999.
Zero Gunner happened in 1997.
Enemy Zero happened in 1997.
Slave Zero happened in 1999.
Zero Gear happened in 2010.
Zero-K happened in 2010.