yeah, hotd 2's the only one worth playing
demolition racer has an incredibly worthless lightgun
minigame
death crimson's terrible
virtua cop 2's pretty good, but it's also a saturn game more so than a d.c. game
confidential mission would be a great game, but all the lightguns i've tried it with (the madcatz and the starfire or whatever it's called) are so incredibly inacurate that it takes all the fun out of it.
30$ for hotd 2 and a lightgun is however, well worth it