In the following escape rooms in Columbia (MO), you must purchase the entire experience at once. You'll only play with the members of your own team and won't be paired with strangers.
The only requirement is to meet the minimum number of players for the room — the price is usually set for the room itself, though it can also depend on the number of players.

You stumble across a "Killer" deal on a vacation rental home nestled deep in the mountains. Quaint, isolated, and iviting, the cabin sounds idyllic. You waiste no time booking the place as thoughts of s'mores and campfires tempt you to make the leap.
Houdini, the greatest magician in centuries is dead! But his soul is trapped between here and there! The space that exist between here and there is called never life.
Your tribe has been placed on a deserted island. You must work as a team to solve puzzles and riddles while searching for the God of Immunity Statue. Beware…not all things are as they seem on the island. Foes become friends. Who do you trust?
Your friend, a veterinary scienist, loves his dog so much. Unfortunately, his best friend is getting older. The doctor spends hours and hours trying to create a canine youth serum so his buddy will return to the young pup he once was.