Sengoku Densyo (translates from Japanese as 'Civil War Tradition') was released on February 12, 1991 in Japan.
This game is known outside Japan as just Sengoku.
The game includes different items which change the special attacks :
Green : When 10 green items are collected, life gauge gain 1up
Red : Samurai sword
Blue : Double sword
Purple : Holy sword
Gold : Unknown effect
In level 2, there is a store called 'Boutique Athena' in the background with the original Athena logo from 1986's "Athena
" by SNK.