>1.How many games use 2 joysitcks?
(Per player, right - i.e. not SF, MK, 1943, etc.)
A brief list would be:
Robotron
Smash TV
BattleZone
Assault
Sarge
Vindicators
Crazy Climber
Karate Champ
I'm sure there are tons more, but just off the top of my head.
>2.Are they trigger joysticks?
Generally only the "Tank" games use triggers. Vindicators is about the worst with a trigger and thumb button on each stick.
>3.Are they 4 or 8 way?
Karate Champ was dual 4-way.
Some of the "Tank" games like Assault were dual 4-way, but I think they will play fine with an 8-way.
Many of the "Tank" games like Battlezone were dual 2-way vertical, but they will play fine with an 8-way.
All the others were 8-way.
>4.Are there any 2 or 4 player games that use 2 joysticks per player >or do the players take turns on the same set of 2 joysticks?
Don't know of ANY 4-player dual joystick games.
Generally they take turns - exceptions would be Smash TV, Sarge, Vindicators, and maybe some others. . .