Guidelines on Not Being That Guy

Here are some DOs and DON'Ts to follow to avoid being That Guy.

What Is That Guy?
Urban Dictionary describes "That Guy" as:

"The person everyone loves to hate and never wants to become."

In the realm of RPGs, that guy is easy to pick out as the only one who has fun because they have fun by making everyone else miserable.  They're well known for railroading (forcing the direction of a campaign), forcing their own fetishes on others, getting mad when they don't get their way, obscene powergaming, and generally being awful.

Some DON'Ts to avoid being that guy
1) Don't force your fetishes on people in game.

2) Don't get mad if you die within the rules of the game.

3) Don't try to manipulate the rules purely for your own benefit.

4) Don't cheat.

5) Don't allow grudges you have with other players to carry into the game

Some DOs to avoid being that guy
1) Do be a good sport

2) Do respect the rules.

3) Do settle disputes with players out of game