NIGHTMARE

Toilet hq was last changed on the episode 67 part 2 update

Nightmare is the hardest mode in toilet tower defense

The game warns that you should only bring units above legendary (Exclusive, and mythic)

The mode

Strategy's

I have Taken a look and found the Nightmare strats!

Both for toilet hq btw

Will add later 

One last strat made by onehandtheman the "tv spam"

Place 4 level 1 farms

Place a lev 4 spider tv

Get farms to level 3

Spam max spider tvs (Fastest Coin Method btw)

Waves toilets are brought in on Nightmare

Wave 1. Small toilet

Wave 2. Toilet

Wave 3.  Glasses Toilet

Wave 5. Spider Toilet, Police toilet, Dual Claw Toilet And Boss toilet

Wave 6. Mutant Toilet

Wave 7. Dj toilet

Wave 9. Assassin Toilet, and Jetpack Police Toilet

Wave 10. Flying Buzzsaw Toilet

Wave 12. Large toilet

Wave 13. Mutant Toilet 2.0

Wave 14. Multi-claw jetpack toilet, and Explosive Flying Toilet

Wave 15. Vacuum Toilet, airplane Toilet and Dual Blade toilet

Wave 17. Boss Toilet 2.0

Wave 18. Large Glasses Toilet

Wave 19. Flying Rocket Launcher Toilet

Wave 20. UFO toilet

Wave 21. Rocket Toilet

Wave 25.  Dual Flying Buzzsaw Toilet

Wave 27. Dual Buzzsaw Toilet Car

Wave 28. Buzzsaw Mutant Toilet

Wave 29.  Dual Rocket Launcher Toilet

Wave 30. Giant Dual Blade Toilet

Wave 32. Strider Rocket Toilet

Wave 33. Turret Spider Toilet

Wave 34. Laser UFO toilet, And Flamethrower toilet

Wave 35. Boss Toilet 3.0, Helicopter Rocket Launcher Toilet, and Flashlight Rocket Toilet

Wave 36. Dual Rocket Laser Toilet

Wave 37. Helicopter Parasite Toilet, And Claw Toilet

Wave 40. Quad Blade Strider Toilet

Wave 43. Toxic Skull Toilet, And Helicopter Bomb toilet

Wave 45. Octo Rocket Launcher Toilet, Triple Flying Jetpack Toilet

Wave 46. Infected Titan Speakerman, Solider rocket toilet.

Wave 47. Glitch Toilet

Wave 48. Jetpack Mutant Toilet

Wave 49. Quad Rocket Mutant Toilet, Massive buzzsaw oven

Wave 50. Scientist Toilet

Fun FACTS

It took over 8 hours for someone to beat toilet hq when it first released

It is the hardest mode

Nightmare used to only be the map toilet hq before the episode 62 update