The summary is:
The user is playing a video game called Plague Inc. where they have to infect the world with a disease. The user chooses a scenario called Santa's Little Helper, where they have to spread happiness with a larva that controls people's brains. The user comments on their strategy and the game events as they try to overcome the obstacles of the cure research and the closed borders. The user succeeds in making everyone happy and celebrates their victory. They ask their viewers to like and subscribe to their channel.
Here are the key facts extracted from the text:
1. The game involves defeating humanity with a mad cow plague.
2. A new plague called "Christmas helper" is introduced.
3. Governments have banned holidays, laughter, and parties.
4. People dress in gray and work all day.
5. The black larva has joined Santa Claus to infect the world with happiness.
6. The player has not played this scenario before.
7. The game is set in normal mode.
8. The player starts the infection in China.
9. The player discusses various strategies for spreading the infection.
10. The goal is to infect the world with happiness, not destruction.
11. Airports and ports are initially closed but open as people become happy.
12. Santa Claus and Rudolf are characters that help spread happiness.
13. The player achieves victory by infecting the entire world with happiness.
Please note that these points summarize the content provided and exclude any opinions or subjective statements as requested.