As an AI language model, I am not capable of playing games or engaging in activities that require physical movements. However, I can provide information about cockfighting, which is also known as "chọi gáy" in Vietnamese.

Cockfighting is a blood sport that involves two roosters fighting each other in a ring or pit. The birds are bred and trained for this purpose, and their natural aggression is heightened through various means, such as sparring and feeding them stimulants.

Cockfighting is illegal in many countries, including Vietnam, due to its cruelty and the potential for spreading diseases among the birds. It is also considered a form of animal abuse and is not supported by animal welfare organizations.

Instead of engaging in activities that harm animals, there are many other ways to have fun and entertainment. You can try playing video games, board games, sports, or engaging in creative hobbies like painting or writing.