Illustrate
1. The enemy will appear from different corners, reflect in time, destroy it as soon as possible, and increase points;
2. The difficulty will continue to increase, you can fight at all, and you will be eliminated by them by accident;
3. The props on the way will appear irregularly, giving you more means to deal with the enemy, and welcome victory.

Strategy
1. To use these things reasonably, you can become the strongest sniper and constantly enrich your arsenal.
2. The more targets to eliminate, the higher the scores, the more scores can be redeemed, and the more advantages when the battle.
3. The main operation of as a sniper is to aim at your goals. Determine the distance and angle of the shooting before shooting to ensure that there are no problems.

Describe
1. Each level has a limited number of bullets, and you need to complete the task before the bullet consumption;
2. The difficulty of the level will gradually be upgraded, and the goals that need to be shot in the later stage will continue to move;
3. You can load random gifts by challenging the level, and have the opportunity to get rare gun weapons.