What do you like to see in a puzzle, giveaway aside?

I like puzzles more than quizzes, but I'll attempt any of them

I love drawn puzzles ^^ Like covers or rebuses :D

look at Kaitlyn's puzzles lol

I like learning about new types of cyphers and whatnot.

Questions that have a simple answer. Movie references that have many ways of writing the input are a bummer.
Pictures and text combined

Oh and easy ones are fun derp

I like Screenshot puzzles. The kind that have a screenshot of a game and you need to guess the game or something like that. I usually hate puzzles with random unralated to games question.

I just like anything except for "where is this song/screenshot from?", questions.
And if you will do a itstoohard, please try to include as many alternative answers as possible if needed.

People begging for hints :)

I like actual puzzles rather than having a random code like VGATFDGAYUWSEGUFIA being thrown at me and not knowing what the fuck to do with it.

Puzzles with images that kinda bring out the game, but not so much that we can easily guess what it is. It's fun to see an image and instantly know what game it's from.

logic puzzles

That last puzzle giveaway you did was very fun. It would be more fun if it was a bit harder, though. :P

I'm probably in the minority, but I don't particularly like the rebus puzzles and "identify the screenshot!"-type puzzles. They're fun, of course, but I see them as the simplest kinds of puzzle to make. Puzzles where you have to guess the game from a drawing of the cover art (Yes, like the one you did last time) or similar are fine, though.
Also, I don't like puzzles where you either know the answer, or you don't. Thinking, guessing and googling are more fun than simply affirming your knowledge.

For "puzzles", logic, the need to make some observations about the puzzle first, and as little ambiguity as possible. (And of course, when the puzzle creator makes typos or uses l33tspeak inconsistently in his regular text, it doesn't exactly inpire confidence that the puzzle will be bug-free.)

For "quizzes" (which is usually the case with itstoohard), clear questions so that the solver knows what kind of text to input (name? quotation? number?), and the possibility to input the text in multiple formats where reasonable (e.g. both "FTL" and "Faster Than Light").

In my opinions puzzles should be puzzles and not a quiz.
Meaning no knowledge about anything is required, just logic thinking. (aka, no "identify this logo" "who's the character that performed action X in game Y" or character descriptions. What one can consider common knowledge about a LoL character can be completely unknown to a person who doesn't play LoL)

Also, a few hints are always nice. For example: have an encoded string from the giveaway entry.
Then if people don't want to keep trying but find the encoding anyway, have a hint to it (maybe even a little puzzle on it's own to find out the encoding.) The decoding itself would have to be done by the player of course. it's not hard to find a proper decoder once you found the encoding type.