A Maxi Loop:

To anyone playing in DASH tomorrow, good luck!
A Masyu:

A Double Back:

A Skyscrapers:

Splash@UCSD was yesterday – we had 35 volunteer teachers teaching 45 classes to ~156 students! That’s also the reason I missed a couple posts last week; I’ll try to get back to every prime now.
A Tapa [Borders]. Follow regular Tapa rules. Additionally, the borders between some cells may be either thick or nonexistent. A thick border separating two cells means one is shaded and the other is not. A lack of a border means the two cells are both shaded or both unshaded. [Rules source with example]

A Fillomino, a Nurikabe, and a Skyscrapers:

I just realized that the only factors of 1 are itself and 1, so 1 is prime! Since I missed Feb 1 and Mar 1 (I hope my readers can forgive this grave oversight), I’m posting 3 puzzles in one for April 1.