"isn't the best" instead of "is good" in the first sentence.

And the tileset is good. Be aware there are different types of propulsion like trap door bounce block. Also close calls are the major importance of a DDA. Close calla regular zap drones, mines, and thwumps aren't really impressive. Laser and gauss are sort of impressive. While rocket and chaingun close calls are the best. This is why I make KRADDAs, or Keep Rocket Alive Don't Do Anything, because I'm good at those. Believe it or not, they are not that hard to make, its just the close calls that need to be implemented.

Here's a few tips while making a DDA:

Try to produce a stylish tileset before you start with a DDA.

Select an enemy choice, but not too much because it will cause enemy lag. floorguards, mines and thwumps don't affect the lag. Rockets and chainguns are the best types of enemies, but when you combine all the enemies, other than mines and floor guard, thwumps can be used as propulsion, it could be a good result.

Try to implement close calls. This is important. If you see a good close call and the ninja survives it keep it. If you see you can make a close call, then do it.

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I hope you know that the most time of this dda the ninja only walk slowly down. 3

the slides are really boring and there are practically no close calls. You can't even achieve an AGD. Take a look at Clifty's DDAs and get inspired, because you're just repeating your (boring) themes.

o_O