- Divide players into two teams. 3-5 players per team.
- A team gets 14 shots per round (two stages). Each player takes turns firing shots within 20 seconds.
- In the first round, a team decide whether to attack or defend. The goal of an attacking team is more difficult, but the reward is higher. Whereas a defensive team could reach their goal easier.
- A round consists of 2 stages. For stage I, a team can score by creating a pattern in accordance with the team's goal. (An X for attacking team; A diamond for defensive team.) If a team missed the goal, they can enter stage II to make up for the score by creating patterns in accordance with the team's goal in stage II.
- If players have two sets of 3x3 grid target board, two teams can play simultaneously. If not, two teams should take turns per round.
- A game lasts three rounds. Keep score at the end of each round.