First of all ,I think there's a lot of gun games in TTX3's 1TB img . It's great for the arcade loves . In this IMG, using a mouse for gun games. so I tried to find a good gun for this . After I had tried a lot ,finally I think this one is the best and cheapest way for us to playing gun games.
1. A original nintendo wii motion joy stick set . and a gun which fit wii motion . I suggest you nerf's wii gun.
2. A usb enabled wii sensor bar. therer's alsome some wireless one ,but I have not tried yet.
3. A wii motion connnectable bluetooth connect .
4. A sofe named : touch mote ,you can download here:http://www.touchmote.net/
5. Toshiba bluetooth drive soft ,you can find easy by goodle .
A: start toshiba bluetooth drive soft ,and connect the wii motion joystick.
B: open touch mote soft ,and setting up your wiimotion's key . It can be mouse , touch sensor, x360 joystick . It should try by your self .but for teknopart , mouse mainly, mame, xbox joystick mainly,.
C: set up the key in game's setting .run the game and joy.