No one's mentioned Vigilante?
R-type was the first Irem game I played, but Vigilante is my #1 Irem game. Loved the music on that game and I've got a lot of fond memories playing it on the PC/Turbo and playing the pcb.
JoshF wrote:I think it's the best Contra game, even with some problems (like Donkey Kong Country style hidden lives.) The best part is that there are stage designs again instead of mostly bosses, so the strategy is more improvisational.