hooray, a sequel to the timeless classic, duke nukem.
Graphics: the graphics still look kinda bad with blocky looking character models and high pixilation but if you're a true gamer than you can probably tolerate aged graphics. Although the cinematic parts look horrible and even I don't like them and I love bad graphics in game (to a certain extent).
Sound: as stated above duke nukem 2 uses sound cards instead of the PC speaker unlike the original so the sound effects and music sound really good. I mean at the time it was the best you were gonna get.
Gameplay: the game is a side scrolling platform shooter game (duke likes to multitask). All you really have to do is run around, collect items, shoot stuff, and jump around. Somehow it's still extremely fun though. I mean even if it just kind of repeats and controls kind of funny you can still have genuine fun
Final thoughts: it's extremely addictive, a true classic, and unlike the original, has sound that actually sounds good.