Nightmare Tower

Nightmare Tower is a Single Player level in Dark Hour. It is the third level of a "campaign" created by a chain of levels being linked together. This level consists of dark stone walls with several structures. At the center of the level is a tower with a spiral staircase.

Quick Level Completion

 * Hit the Movable Wall to your right to enter the next room.
 * Turn left and cross the room to the opposite side.
 * Turn right to reach an intersection.
 * Follow the corridor to the right.
 * Turn left at the structure and proceed down the next corridor, ignoring the doorways to the left and right.
 * Upon reaching a four-way intersection, head right to reach an Elevator.
 * Ascend the Elevator.
 * Turn right at the top and leave the Elevator.
 * Follow the platform to the right, then the left, to access the next structure.
 * Go through the doorway in the upper right corner of the room.
 * Jump on the platforms to reach an elongated platform on the opposite side.
 * Turn right and proceed down the platform to exit.

Walkthrough
Collect the Shells in front of you, then turn right. Collect the two 25 Health and Yellow Armor. Turn around and go through the doorway in the upper left corner of the room. Kill the 2 Grunts in the corridor while collecting the two 25 Health. Proceed to the opposite end of the corridor and shoot the Movable Wall to temporarily open the passageway to the next room. Enter the next room and turn right. Kill the 2 Enforcers while collecting the 2 Rockets. Turn right and collect the 2 Shells in the upper right corner of the room. Ignore the corridor in the upper left corner of the room, it simply leads to a Movable Wall that is an alternative entrance from the starting room. Instead turn around, then go through the doorway in the upper right corner. Ignore the corridor to the left and instead turn right. Collect the two 25 Health while killing the 2 Grunts. Turn left, then enter the doorway of the structure to your right. Kill the 2 Rottweilers, 2 Grunts, and 2 Enforcers. Collect the Double-Barrelled Shotgun, Shells, and two 25 Health to your left; then collect the two 25 Health to the right of the doorway. Ascend the spiral staircase that starts to the left. Turn left at the top to kill the 4 Enforcers and 2 Grunts. Collect the two 25 Health and Shells. Exit the structure and go through the doorway somewhat on your right to enter the tower. Kill the 2 Grunts, then ascend the spiral staircase starting on your right. Turn left at the top to kill the 2 Enforcers. Collect the Biosuit and Thunderbolt. The doorway at the top overlooks the intersection beside the starting room. Instead of going out this doorway, return to the bottom of the tower and exit the structure.

Turn left and proceed down the corridor to an intersection. To the right is an Elevator, ignore this as this is simply a shortcut to completing the level. Also ignore the two corridors to the left, instead going down the corridor straight ahead. Turn right to enter the next room. Turn left upon entering the room to collect three 25 Health, then turn around to look into the room. Collect the Grenade Launcher straight ahead at the corner of a structure. Go straight ahead to the wall, then turn left to go through the doorway of the structure. Kill the 2 Grunts and 2 Enforcers. Collect the two 25 Health in the lower left corner and two 25 Health in the upper right corner, then use the doorway in the upper left corner to leave the structure. To the left is the room you were in before you entered the structure, so instead go straight ahead to enter the next room. Kill the 2 Enforcers beside a structure. Ignore the corridor to your left that is part of the area around the structure and instead enter the structure through the doorway straight ahead. Kill the 2 Grunts and 2 Enforcers. Collect the two 25 Health in the lower left corner of the room and the two 25 Health in the upper left corner, then go through the doorway straight ahead. Turn left and proceed forward to the opposite wall to collect a Super Nailgun. Turn left, then head around the left side of the structure straight ahead. Kill the Fiend in the alcove on the opposite side of the structure. Go through the doorway to your right to return to the four-way intersection beside the Elevator.

Go through the doorway to your right, then turn left. In front of you are two corridors, ignore the corridor to the right and instead start to go down the corridor to the left to collect two 25 Health. Don't go any further down this corridor as it leads back to the intersection beside the starting room, instead return to the last room you were in and go down the previously ignored corridor. Proceed down the corridor to reach a small room. Collect the Rockets, Rocket Launcher, 2 Shells, and two 25 Health straight ahead. Go up the ramp that is accessible from the upper left corner of the room, then turn right at the top. Hit the Movable Wall to enter the next room. Kill the Ogre and 2 Grunts inside. Collect the 2 Shells, four 25 Health, and Yellow Armor. Ascend the staircase straight ahead and kill the 2 Death Knights at the top. Collect the four 25 Health, then ascend the staircase straight ahead. Turn right at the top and kill the 3 Enforcers. Collect the four 25 Health, including one floating in mid-air. Ascend the ramp straight ahead. Kill the Ogre and 2 Enforcers at the top. Collect the two 25 Health in the lower right corner, then go through the doorway in the upper right corner. Kill the 2 Enforcers. Collect the two 25 Health to your right, then go through the doorway to your left. Jump the gap to the platform on the opposite side. This is where the Elevator you previously ignored would have brought you. Follow the platform, turning right and then left, to reach the next structure. Kill the 2 Grunts and the Ogre inside. Collect the two 25 Health in the lower right corner and the two 25 Health in the upper left corner. Go through the doorway in the upper right corner. Carefully jump from platform to platform to reach the thin platform on the opposite side. Turn right and follow the platform to the exit Teleporter.