And now for my third wave, it should be called Barrier Highway/Dodge The Barriers because the player in it have to dodge some indestructible barriers while they move,
Example
The screen also should auto scroll to the top direction like The Weakest/Strongest Link , however there could be an upside-down version of that wave, the number of the barrier lines should be like The Weakest/Strongest Link about 8, also the speed and the size of gaps between barriers should depend on the difficulty of the wave,
There could also be indestructible barrier cannons added at high difficulties:
Example