-Definitely play fullscreen (Windowed kinda sucks)
-Raise the volume to comfortable levels
-Use headphones or speakers, which are recommended
-Turn off the lights in your room
-Raise your screen brightness
-In the In-Game settings, raise the battle quality to high
-In the In-Game settings, turn on all the options except qwertz compatibility (unless you want to)

-Sit in a chair, couch or lie down on your bed or floor and wrap a soft blanket around yourself
-Get your favorite snack, favorite candy, and favorite drink (ex. Chips,Twizzlers, Chocolate Milk)
-Get a heater or AC turned on to a comfortable temperature

-Walk with the arrow keys and interact with characters, objects and doors using X
-Z is used to cancel and to answer some yes or no questions
-Access the menu with the Enter key
-X is used to forward dialogue, Z is used to skip it
-Talk to your party members by pressing P
-To see dialogue that has already been said/shown, press L

-If the monsters you are fighting is weak, an icon will appear that is BLUE, you can skip these battles by pressing Z before the battle starts
-If the monsters you are fighting are strong, an icon will appear that is RED, you cannot skip these battles
-You can have up to 4 party members at a time
-You can read more in-depth about combat by checking the help section of the menu

-You are now fully prepared to play MARDEK, have fun and enjoy
-Sorry if this guide isnt very well-made, its my first one