Answer:
1. SAFE - the game should be safe for everyone
2. PLAYERS - The more players, the more fun
3. OBSTACLE - the game should be a challenge to be exciting
4. RECOVERY - everyone needs a break to recover
5. TEAMWORK - Team work makes the dream work
6. STABILITY of teamwork - if everyone has an open mind then the risk of losing the game is low
HOPE IT HELPS!