i will get the ball rolling by listing the carts i have with 5-screw casings, if you want to help, then 1)add games in your collection with the same casing that have not been mentioned. and 2) cross check the current list to see if there is a 3-screw variation. if you see one, then mark the entry with a *
copy/paste the new list with your revisions in a response
Nintendo
Balloon Fight
Baseball
Clu Clu Land
Donkey Kong
Donkey Kong Jr
Donkey Kong Jr Math
Duck Hunt
Gumshoe
Hogan's Alley
Ice Climbers
The Legend of Zelda
Mach Rider
Mario Bros
Metroid
Slalom
Soccer
Super Mario Bros
Urban Champion
Volleyball
Wild Gunman
Wrecking Crew
Acclaim
3-D World Runner
Star Voyager
Bandai
Athletic World
Broderbund
Lode Runner
Spelunker
Capcom
1942
Commando
Section Z *
Trojan
Data East
Karate Champ
Ring King
Tag Team Wrestling
Konami
Gradius
Stinger
SNK
Athena
Ikari Warriors
Taito
Arkanoid
Elevator Action
Tecmo
Mighty Bomb Jack
Solomon's Key