Old School Dungeon Traps

A list of simple tricks and traps for an old school dungeon. I dug this list out of some really old notebooks I have sitting on my shelves. It probably dates from the late 70s, so very old school.

1. Pits: hidden, visible, or spiked filled with alligators, fire, acid, lava or water
2. Doors with swinging blades, crossbow traps, trip wires, ear seekers, poison needles, magical seals, exploding locks, contact poison, intelligent locks, dropping portcullises, acid jets
3. Rooms or corridors that fill with water, sand, or various gasses (poison, laughing, sleeping)
4. Stairs or floors that move, slide, or collapse
5. Projectile traps featuring crossbow bolts, poison darts, magic missiles, spikes, spears, or boulders
6. Teleportation panels
7. Life trapping mirrors
8. Moving panels and walls that seal corridors
9. Sliding and turning rooms
10. Trip cords and strangle wires
11. Poisonous food and drink
12. Dead end tunnels
13. Slides to creature dens
14. Reverse gravity areas
15. Crushing walls
16. Magic reversing fields
17. Blinding lights and impenetrable darkness
18. Geas rooms
19. Living furniture and fixtures
20. Slippery floors and stairs
21. Hypnotic rooms
22. Illusionary walls, floors, stairs or corridors
23. Pivoting walls that lock in place
24. Intelligent doors or chests that cast spells, ask riddles or seek bribes
25. Doors that randomly lead to different locations
26. Areas of blinding light, complete darkness, fog, terrible smells, or strange noises
27. Collapsing ceilings
28. Fake doors
29. Magical traps spraying webs, grease, poison or glue
30. Alarm traps drawing foes
31. Hidden or secret doors well above ground level
32. Magic negation areas
33. Triggered constructs
34. Tiny tunnels and passages with tiny inhabitants