1: The weapon was satisfyingly destructive. Only if there were more than one boss that could handle its firepower.
2: Really neat, though I wish it were possible to explore inside the houses given how low your jumps are. One must wonder how mini-Quote was able to get Chaco's Lipstick...
3: Very original. I like how your sword slash becomes a spin if you attack while in the air. It's honestly a shame that there isn't more to it. The only odd thing about it is that you can slash your sword even after you die by falling off the screen.
4: Similar to 3, yet with some updated graphics, a clank whenever your projectile hits a wall, and the removal of the mid-air spin slash. It would have been better if you changed up the music a little and worked on the enemies' sprites, but it was still impressive even if it was shorter than 3.
5: A real work of art, plain and simple.
6: Rather buggy and incomplete, even for a mini-mod. The level 3 Gun sounds less like a gun and more like the level 3 Polar Star, you turn into a minion when you drown, and you can't even leave the monster-filled room once you fight your way to the end.
I think my vote will go to 3.