ROMLister 'Diagonal 4-way'
Congo Bongo (Rev C_ 2 board stack),congo,1983,Sega
Congo Bongo (Rev C_ 3 board stack),congoa,1983,Sega
Faster_ Harder_ More Challenging Q*bert (prototype),sqbert,1983,Mylstar
Mello Yello Q*bert,myqbert,1982,Gottlieb
Q*bert (early test version),qberttst,1982,Gottlieb
Q*bert (Japan),qbertj,1982,Gottlieb (Konami license)
Q*bert (US set 1),qbert,1982,Gottlieb
Q*bert (US set 2),qberta,1982,Gottlieb
Q*bert Board Input Test Rom,qbtrktst,1982,Gottlieb
Q*bert's Qubes,qbertqub,1983,Mylstar
Tip Top (3 board stack),tiptop,1983,Sega