Help in GameMaker

A little question here. May I publish game now,but then constantly update it until 14 august?

"The game should have local multiplayer OR be designed to easily include local multiplayer."

can that means i can create a server without using html5 project?

About the OperaGX Game Jam. I made a game that can be seen only by dark theme users. I have no idea how to make it adapt to light theme automatically so I was wondering, can I upload a separate version of the game for light theme users?

Hi there, where can I find the graphical-guidlines for the "UFO-Theme"? Thanks! :-)

I have a doubt the game does not matter if it is retro in or in 2d?

I have a question about png crus, me and a friend tried to use png crush but it only saves 1 byte (my friend) or no bytes when I tried it, and the gml_parama page doesnt really help

Question for the Game Jam(1/2):

For Co-op, The technical guide states "[your game] should be entirely playable on the keyboard and not require a gamepad to be connected". Does this mean we cannot use the mouse for any in game inputs?

I have a question, the player has to be an UFO or it can be a human and the enemy an UFO?

I have a question if I win the money, can it go to my paypal?

Hey, I'm looking for some teammates who knows about coding and stuff, its just me for the moment and i'm not very good at making games so if you wanna make a team with me DM me on discord ShrunkPoem40594#9766