RTP Queue is a newly made Skript of mine which features a queue system when players type
/rtpqueue. It puts the player into a queue (which is sent in chat), and when another player gets in the queue, or when the queue reaches 2, both players get teleported to a random location in the world. It's very useful so that players can fight each other without needing to trust one another because they both get teleported randomly.
I haven't seen much of this idea go around, and hope someone uses it as an inspiration to make this better.