TNT * * * is divided into three channels: novice, junior and advanced. According to common sense, beginners can't go through the channel, advanced students can go to the primary level, and novices can't go through the checkpoint.

But according to the landlord's questioning of friends downstairs, I can also tell you:

I've done this before, not through selection, nor through plug-ins.

But when I was practicing the trumpet, I just reached the bottleneck of level 29 and played the game (this time it was a novice channel)

Then I upgraded after playing this game (to level 30), and the system didn't quit for me, so the room was still on the novice channel, but then I had dinner and quit the room and hung up. When I come back to play again, I have to go to the main channel.

I hope my answer is helpful to the landlord!