Walkthrough Serious Sam: Siberian Mayhem — Crime and Punishment

In the fifth and final mission of Serious Sam: Siberian Mayhem, Sam will finally come face to face with the traitor Brand.

Pass the trains. Once on the platform, examine the small buildings on the left and right, at the end of the platform, to find two caches of ammunition (2/15). Go inside the station and in the toilet stalls on the left, look for an ammunition cache (3/15). Exit the station on the other side and immediately turn left. Go around the corner of the station and climb the crate. From it, jump to the visor, and even higher. Look at the station building and you will see a secret gadget (4/15) on the ledge. Clear a spacious location until you get to high-rise buildings. In the far house on the right, you can open the door to the entrance to find a secret bio-mech (5/15).

Move further, along the road to the left of the park. Jump onto the roof of the gas station from the far side, using the yellow pipe, and take the secret gadget (6/15). On the territory of the park, where you can go from the side entrance, go in the opposite direction to the locked gate, and take the secret ammunition (7/15). Get to the bridge that the marker points to. Go to the right of it and pick up resources at the end of the road to activate a secret kamikaze trap (8/15).

Go to the bridge, destroy the enemies and jump down to the ice. Hidden behind the pillars ahead is a secret gadget (9/15). Pass through this ice-covered gorge, climb the slope to a large biomech that will destroy the ice. After killing him, turn onto the bridge on the right. On the other side, look for a secret gadget (10/15) behind the building on the left. Follow the road where the marker points. You will be on the other side of the bridge. Go to the closed area and follow the fence on the left. There is a red item in the right corner of the concrete slab. Pick up to activate a secret trap (11/15). Keep moving forward until you see the enemies descend on the lift. There will be a locked gate on the left, and you need to open it. To the right of the gate, there is a pipe that leads to a cave, to a secret gate (12/15).

Go in the opposite direction from the closed gate, turn left and go down. Go forward and go down to the bank on the right. There, look for two flying gargoyles and a purple item - a secret gadget (13/15). Destroy all enemies, get to the indicated hangar and start the generator. Go through the opened gate. Soon you will find a huge cannon. Do not rush, and go further along the road, to the right. At the end of the path there will be a gate, under which lies a secret gadget (14/15). When you destroy two large waves of opponents, you can go to another part of the city. Go past residential buildings, turn right and see garages ahead. Walk forward a little and turn left between the garages. This path leads to armor and an open garage. Inside it, break the boards to reveal the path to the secret classic level (15/15). It remains to get to the final boss.