Round-robin tournament
- Each teams play a game with every other teams once or more than twice.
- Max 20 teams
- Max 5 repeats
- Share game table, rank by twitter, email...etc

Bracket tournament
- Knockout tournament.
- Select shuffle teams or don't do it.
- Max 20 teams
- Share draw by twitter, email...etc

Rating tournament
- Order by rate
- If you won, rate will rise. If you lost, rate will drop.
- Support handicaps value
- Max 20 teams
- Share standings by twitter, email...etc