Star Trek Chrono-Trek Essentials:

• No. of players: 2 - 6
• Playing time: 15 - 45 minutes
• Age: 11

Star Trek Chrono-Trek - Rules of Play says:

Explore the history (and alternate history!) of the entire Star Trek universe in this version of Chrononauts. Try to alter history to restore your specific timeline! Maybe you need to ensure that the Federation gets founded, or just retrieve the Orb of Time and some tea. Earl Grey. Hot.