Last Duel: Inter Planet War 2012 is an Arcade shoot 'em up from Capcom that was originally released in 1989. It was later converted for home computers in the US and Europe and added to Capcom Classics Collection: Volume 2 compilation for PS2, PSP and Xbox.
Queen Sheeta has been kidnapped by the Galden Tribe. The Mu-ans have built a vehicle that has immense firepower and they plan to use it to rescue the queen. The player, as a Mu-an Royal Guard, must guide their vehicle through six levels that alternate between ground attack mode and air attack mode in their attempt to repel the Galden Tribe and rescue the Queen.