Go in the room to the right then shoot the box with your pistols. Take the laser sight then leave the room with your pistols drawn, head into the building in front then shoot another box inside. Take the crowbar then leave the room and go left down the street to the third door on the right. Use your crowbar to open the door, then go inside and take out your pistols. Duck and shoot the box, then pick up the small medkit. Climb the ledges to reach the second floor where you'll find a tightrope. Before crossing the rope, turn around then walk to the edge of the crate. Jump over to the window ledge, then pick up another small medkit. Jump back to the crate, then walk the tightrope to the other ledge. Jump the sections of broken floor to reach the opening on the right, then walk out along the walkway toward the gate. Turn right, then jump to the next ledge. Jump to the next ledge and turn right. Now do a running jump and grab the next ledge, pull up then take the shotgun shells from the window ledge. Return to the previous ledge, then walk to the edge. Safely drop to the next ledge below then drop to the floor, get some revolver ammo and some flares. Jump up to the next ledge to trigger a cut-scene. Safely drop to the floor below then turn around. Go forward then right, climb the wall ladder on the backside of the third column to the top. Move left around the corner then slide down the short slope to land on a flat ledge. Turn to your right then do a running jump to the next small ledge. Jump again while leaning to the left. When you land on the next ledge, enter the small room and pull the rope three times until a third cut-scene shows. Head back outside then jump back to the small ledge. Jump over the two long ledges then jump to the next small ledge to the right. Enter the room with another rope. Pull this rope once to start another cut-scene revealing a new location. There are some uzi clips on another ledge nearby. Return to the previous ledge and turn around. Aim for the small window ledge with two textured statues on the wall, then do a standing jump and grab just in case you come up short. Take them, then do a safety drop to the floor below. Enter the new room you just opened then take some revolver ammo and a small medkit near the statue. Exit the room and turn right. Light a flare, then climb the ledge to the next room. Pry the Golden Coin from the wall with your crowbar. Rats pour into the room when you take the coin, so quickly run back to the room with the statue and insert the coin in the slot at the base to open a gate to the next area. Return outside, then go to the right and jump over the small brown railing to the now open trapdoor. Drop down into the lower room, then get two shotgun shells and another Rose. Leave this room then go through the gate to the main street. Go left through the new gate, then follow the alley until you reach a cavern with a waterfall. Go forward down the short alley to get some revolver ammo at the end. Return to the water and light a flare. Jump in then swim forward to the next ledge. Climb out onto the ledge, then enter the next room. After the cut-scene, take the revolver ammo and save your game. This Roman Head fires green lasers out of its eyes, you need to dodge the blasts and shoot out the eyes with your revolver in laser sight mode. You can see when the Head is powering up for another blast so be prepared to side-flip out of the way. When the Head is gone, jump down to the floor and pick up the Mars Symbol. Go to the red machine in front, then climb onto the scaffold above. Do a standing jump to land on top of the red machine where you can collect another Rose. Drop down to the floor, then head to the other side of the room and locate the circular hatch. Get the revolver ammo in the corner to the left, then stand near the brown part of the hatch and open the trapdoor. Climb down the wall ladder to the canal below, then walk along the passage to the end. Ignore the rats, then dive into the water. Swim through the passage in front to get a small medkit. Locate the small underwater tunnel in the middle of the room then swim through until you reach another machine room. Get the shotgun shells and use the crowbar to pry off the valve wheel. Now you need to retrace your steps back to the room with the hatch and the red machine, insert the wheel and turn it. This stops the deadly propeller blade that was blocking your path to the remaining tunnel. Go back down the hatch and swim down through the bottom passage. Continue forward then head left toward the small opening. Swim through and enter a small room with a large medkit. Take it then swim back out and follow the hex-shaped metal passage until you come to another spinning propeller. Follow the current to the right and it will lead you to a gap in the ceiling. Swim up into the next room. Climb out of the water and turn the valve wheel to stop the propeller in the water below. Dive back in then swim toward the propeller and through the small passage to the right. Swim up the long sloped tunnel and exit the water to the next room. Move ahead into the next room until the gate slams shut blocking your exit. Take the shotgun shells and the shotgun. Arm yourself with your new weapon in first mode then go forward. Defeating the Gladiator requires backflips and jumps to dodge his attacks. The Gladiator attacks by firing energy bolts or by charging at you while swinging his deadly sword. Wait for his charge then run in the other direction and turn around. You need to be pretty close to fire at him. Parts of him will break away, dodge his attacks and keep up your assault until he is totally destroyed. Upon his destruction, the window will shatter and a gate will open. Exit the room through the window, but don't forget to take the small medkit and some uzi clips. Before dropping to the street, grab the small medkit to the left then return to the main street. A newly opened gate leading to the next Rose is to the left, go get it. Now make your way back to the cavern with the waterfall and swim through the new underwater passage on the left. Get the small medkit and the Venus Symbol on your way to the next room. Things are about to get dangerous so you better save your game. After a brief cut-scene, you need to whip out your pistols and fire at Larson until he's injured. Save your game after the cut-scene. The Gateway Guardians have two attack modes. First, they shoot out guided bolts of fire that actually seek you out. If you take a direct hit you will burst into flames. Even if you dodge the fire, you can still take considerable damage from the explosion when it hits any nearby surface. Second, the Guardians will also bite but only if you get too close. Side-flip to the sides and fire away with all your weapons. When the battle is over, you can collect four boxes of shotgun shells and a large medkit. Insert your two keys into the slots to open the Gateway. Go inside then do two running jumps to reach the last platform. It will send you falling into a pit and you will slide to the next level.