Thunder Spirits happened in 1991.
Thunder Blade happened in 1987.
Arctic Thunder happened in 2001.
Thunder Force VI happened in 2008.
Anywhere in the world.
Operation Crazyhorse Thunder happened on 2007-06-23.
Thunder Spirits was created on 1991-12-27.
Thunder Blade happened in 1987.
Gate of Thunder happened in 1992.
Lords of Thunder happened in 1993.
Arctic Thunder happened in 2001.
Super Robot Spirits happened in 1998.
The Space Sheriff Spirits happened in 2006.
Pro Yakyū Spirits happened in 360.
Bangai-O Spirits happened in 2008.
Thunder is made by Hephaestos, for Zeus.
Thunder Force AC happened in 1990.
Thunder Force II happened in 1988.