Showdown is a Multiplayer level in Q2. This level has the same geometry as Darkness, though placement of Ammo and Weapons is entirely different.

Spawn Locations

• Corridor #1, near bend across from doorway to Intersection #1: This room is used as a semi-origin point. The room to the right of the player's initial orientation is the true origin point and is referred to as Room #1. From Room #1; Corridor #1, the spawn point, and Corridor #2, another corridor accessible from Room #1, head in different directions before eventually converging at Intersection #1. The Corridor across from Corridor #1 in Intersection #1 is Corridor #3, while the Corridor to the left from the doorway of Corridor #1 when looking into Intersection #1 is Corridor #8. If continuing from Intersection #1 and proceeding down Corridor #3, the Central Corridor is to the left and Corridor #4 is straight ahead. Corridor #4 leads to Room #2, which in turn leads to Corridor #5. Corridor #5 leads to Room #3, which in turn leads to Room #4. Room #4 leads to Corridor #6; the Central Corridor is to the left when looking into the Corridor from Room #4, while Room #5 is to the right. Corridor #6 bends at Room #5, Room #6 is to the left if looking down this section of corridor while standing near Room #5 while Room #7 is to the right. Another doorway on the same wall as the one leading from Corridor #6 exists in Room #7, this one leads to Corridor #7. Corridor #7 leads to Intersection #2; the doorway to the left leads to the Central Corridor and the doorway straight ahead leads to Corridor #8 when looking in from the doorway of Corridor #7. In the Central Corridor, near the doorway leading to Intersection #2, there is a doorway leading to Room #8. Corridor #8, while connecting Intersection #2 with Intersection #1, also has a divider which makes the corridor more twisty.
• Central Corridor, beside doorway leading to Corridor #6.
• Room #5, corner across from doorway to Corridor #6.
• Corridor #5, beside doorway leading to Room #2.
• Room #8, corner diagonally across from doorway to Central Corridor.
• Beside doorway in Room #6 leading to Corridor #7.
• Beside wall of Corridor #8 opposite divider on Intersection #1 side.

Important Item Locations

Weapons

• Double-Barrelled Shotgun - Corridor #1, beside doorway to Intersection #1.
• Nailgun - Corner to left of doorway in Room #8 leading to Central Corridor when looking into Room #8 at doorway to Central Corridor.
• Super Nailgun - Beside wall of Corridor #8 opposite divider on Intersection #2 side.
• Grenade Launcher - Corner of Room #5, beside inner wall and wall with doorway to Corridor #6.
• Rocket Launcher - Beside doorway in Room #6 leading to Corridor #7.
• Thunderbolt - Beside doorway in Central Corridor leading to Corridor #3.

Powerups

• Quad Damage - Corner of Room #2, beside inner wall and wall with doorway to Corridor #4.
• Pentagram of Protection - Beside doorway in Corridor #7 leading to Intersection #2.
• Green Armor - Corner of Room #6, across from doorway to Corridor #6.

Room-By-Room Summarization

Corridor #1

• Double-Barrelled Shotgun beside doorway to Intersection #1.

Corridor #2

• Cells on side of corridor leading to Room #1.
• 25 Health at bend of corridor.

Corridor #3

• Nails beside doorway leading to Intersection #1.
• Rockets beside doorway leading to Central Corridor.
• 25 Health beside wall near doorway leading to Intersection #1.

Corridor #4

• Rockets beside doorway leading to Corridor #3.

Room #2

• Quad Damage in corner beside inner wall and wall with doorway to Corridor #4.

Room #3

• Rockets in corner of walls with no doorways.

Room #4

• Cells in corner of walls with no doorways.

Corridor #6

• Nails between doorways leading to Room #4 and Central Corridor.
• 25 Health beside doorway to Room #6.

Room #5

• Grenade Launcher in corner beside inner wall and wall with doorway to Corridor #6.

Room #6

• Green Armor in corner across from doorway to Corridor #6.

Room #7

• Rocket Launcher beside doorway leading to Corridor #7.

Corridor #7

• Pentagram of Protection beside doorway leading to Intersection #2.
• Cells at bend of corridor.

Central Corridor

• Thunderbolt beside doorway leading to Corridor #3.
• Nails beside doorway leading to Intersection #2.

Room #8

• Nailgun in corner to left of doorway leading to Central Corridor when looking into room at doorway to Central Corridor.

Corridor #8

• Super Nailgun beside wall opposite divider on Intersection #2 side.
• Nails near doorway leading to Intersection #2.
• Rockets next to doorway leading to Intersection #1.
• 25 Health at bend near Intersection #1.