You're standing in the room with some arched portals. You're hearing a sound of coming train outside.

Hurry up, traveler, you almost missed an annual community train that passes through here every September!

There are lots of games inside. A lot of amazing people are involved in this, helping the train move.

Choose the entrance and follow the signs: 

To chief conductor's office ⇒

To first cart ⇒

To carts with historical stats ⇒

To cart № 1000 ⇒

To cart № 1500 ⇒

To cart № 2000 ⇒

To cart № 2500 ⇒

To cart № 3000 ⇒

To cart № 3500 ⇒

To cart № 4000 ⇒

To carts with stats of current train ⇒

To cart № 4500 ⇒

 
Train arrives at 28th September, you're still have a time to enter (The train is complete now, you can't make your own addition, hope to see your carts next year).

Good luck in your journey!