Spike Trap Example is a Single Player level. There is no in-game name for this level, nor is there any name included with the documentation. The level name instead comes from commented lines inside the .map file.
This level features three Nail Traps. One on the ceiling shoots down every second, while a second shoots up every half-second. A third is triggered by standing on a slightly raised platform, which fires every 0.2 seconds.
Walkthrough
2 Spike Traps are firing when you spawn into the level, 1 on the ceiling to your left and 1 on the floor straight ahead. Proceed forward to reach a raised platform, standing on it shall cause a Spike Trap to start firing to your left.