How many Lara Croft games are there

There are 8 Tomb Raider games featuring Lara Croft:

1. Tomb Raider (Anniversary Remake:2007)
2. Tomb Raider 2
3. Tomb Raider 3
4. Tomb Raider: The Last Revelation
5. Tomb Raider: Chronicles
6. Tomb Raider: Angel of Darkness
7. Tomb Raider: Legend
8. Tomb Raider: Underworld

A 9th Tomb Raider game is in the works and a prequel to Tomb Raider Underworld, "Lara Croft And The Guardian Of Light" will be released exclusively for PlayStation Network, XBOX Live Arcade, and Windows sometime in the summer of 2010.