Sound- 8.5 out of 10- The sound in this game is okay. There's gun shots, enemy sounds, etc., etc.
Replay Value- 8 out of 10- Even if you beat the game, it's still fun to play again. You can try for all the parts for instance.
Overall- 8.5 out of 10- This is a pretty solid game. It's a great addition to anyone's video game library. I recommend it to anyone.