There's also the dual-screen b/w LCD game (running off 2 LR44 batteries iirc). Back when I was a kid, that was a prized possession during school breaks. We'd e

There's also the dual-screen b/w LCD game (running off 2 LR44 batteries iirc). Back when I was a kid, that was a prized possession during school breaks. We'd exchange those handhelds with other kids & play 'em to death. Plane & Tank Battle, Highway and Q-Bert spring to mind as some favourites.