In the sewers, go left across the grating. Kill the armed guard and get his ammo. Go left at the intersection. Go down and get the Sniper Cartridge to your right. Continue left and kill the guard, then take his ammo. Keep going left and kill the guard with the wrench-like object. Continue to the top of the screen and get the medium Medicine Pack. At the top of the room, there is a computer. Use it to get the first code that you need. The code turns out to be 3. 

Now, go back down the grating toward the bottom of the screen. Battle the armed guard, and take his 9mm clip. Go down the stairs to the left. Kill the guard, and use the next computer for another code. The code turns out to be 12. Procede back to the beginning of the level. At the top of the screen, there is a door. Enter it and go up the grate. Kill another guy and get his ammo. Keep going up and climb the ladder. Kill the guard and get his Sniper Rifle. Use the computer to get the third code. The code turns out to be 9.

Continue up the grating and turn right. Get the small Medicine Pack. Go left, shoot the guard, and take his ammo. Go up the grating near the top of the screen. At the intersection, go left, then left again. Kill two more guys and take their ammo and health. Go back to the top of the screen and enter the door. Jump down the shaft. Kill the armed guard and take his ammo. Enter the next door.

Kill three more guys and take their ammo. Go up, then left. Go down the ramp and get the Sniper Cartridge at the top of the screen. Climb the stairs to the area in the middle of the room and use the computer. Type in the access code: 3129. This opens a door. Go back to the left, then up the ramp. Go to the right and enter the opening at the top of the screen.

Go forward, and get the two Sniper Cartridges. Keep going forward and take a left. Kill both of the guards using your new combo (Takin' Out The Trash: HK, HK, LP), and take their ammo. Continue left and pull the grating down at the bottom of the screen. Kill the guard and get the small Medicine Pack. Now go back up to the top of the screen to the door and enter it. Kill the two guardand take their ammo. Go forward, kill two more guys, then go left, and kill another one. Go all the way to the left. Open the door, enter, and kill the guard using your new combo (Bear Hugger: HP, HP, HP, HK, LK). Get his ammo and get the key card. 

Exit the room and go right until you reach another door. Go inside and get the shotgun shells. Exit the room and go back to the left. Follow the first grating you see and go down to the bottom of the screen. Go through the door and continue right. Keep going right, then up to the next door. Enter inside, go forward, then go up left. Kill the three armed guards and take their ammo. Go to the left and get the large Medicine Pack. Now go back left and climb up the grating to the top of the screen. Battle the guard and take his ammo. Go right, up, then right. Open the door and go inside. Kill the guard, take his ammo, and get the key card in the room . Exit the door and go to the left. Go down, left, then up until you reach the door. Open the door. 

Go forward and go up to the top of the ramp. Enter the door. Kill the armed guard and take his ammo. Open the door on the right and go inside. Battle the guard, and take his shotgun. Go down to the bottom of the screen and walk to the far right corner. Go up the stairs, then go right. Enter the door. At left, kill the armed guard, take his ammo, and get the key card. Exit the room at right. Go up and walk across the bridge. Enter the hole at the top of the room. Go inside the door, kill the guard, and take his ammo. Procede to the door at left. Go inside the door and climb down the ladder. Open the next door you see and go in. Shoot the guard and take his ammo. Go down to the bottom of the screen and to the right. Go up, kill the guard, and again take his ammo. Go forward and climb up the wall at left to get the shotgun shells. 

Jump down from the wall and continue upward. Get the shotgun shells. Go back down to the bottom of the screen and go inside the door at right. Climb up the ladder, follow the grate, and open the next door. Go in, kill the guard, and take his ammo. Go up to the next door and walk in. Procede to the right, then down. Continue left until you reach the door at the top of the screen. Enter and get the key. Then go right and back to the top of the screen until you see the next door. Go inside, kill the guard, and take his ammo. Continue left, get the medium Medicine Pack, and go through the door at the bottom of the screen. Get the key card. Go back to the right, then left, and then enter the door and climb the ladder. Walk back out onto the grate and use the three computers to move the bridges around. Next, go to the bottom of the screen and exit through the door. Go to the right and enter the first opening that you see. Walk across the bridge, and prepare to fight the second boss... Tasia.

Tasia: Tasia is pretty easy to defeat.  Watch out for her exploding bombs and glowing balls.  Use Detonators and set them where she will re-appear after she disappears.  When she is stunned by this, attack her with some combos.  She'll be done quickly and easily.

GOOD JOB, YOU BEAT LEVEL 2!!

Remember to save your game, and continue to Level 3... The Towers