Some tips from an old edition of Runequest:
1) Listen to the GM
2) Avoid play domination by a few players
3) Plan ahead
4) Organize first
5) Don't divide the group
6) Don't do something without reason
7) Avoid unnecessary encounters
8) Always watch the rear
9) Provide relief for the front line
10) Take action
11) Ignore loot until the objective is acheived
12) Don't despair when HP and MP are low
13) Maintain Faith
14) When all else fails, Play Dead
1) Listen to the GM
2) Avoid play domination by a few players
3) Plan ahead
4) Organize first
5) Don't divide the group
6) Don't do something without reason
7) Avoid unnecessary encounters
8) Always watch the rear
9) Provide relief for the front line
10) Take action
11) Ignore loot until the objective is acheived
12) Don't despair when HP and MP are low
13) Maintain Faith
14) When all else fails, Play Dead