Nucleic acid testing

Purpose for player:

1. Complete every test.

2. Try to complete as many tests as possible within the time.

Gameplay rules:

1. Every NPC will just stay for few seconds, player have to complete sampling before the NPC leaves.

2. A swab will drop after player clicks the GET SWAB button. Player have to grab the swab accurately or it will fall to the ground.

3. Complete sampling by using the swab to touch two correct areas in the mouth of each NPC.

4. Avoid touching the wrong area in the mouth. NPCs will be impatient and leave if player touches it.

5. Player gets 10 points for one successful test. Player have to gain more than 50 points to reach the minimum requirement, or lose the game.