Its exact origin is unknown at the moment.
Sage Creek seniors begin their games early in the school year and play by the rules available on http://sa.sagecreekhs.com/
The first senior assassins game played by seniors was Senior Assassins 2017-2018.
- Coordinator: Keegan Canfield
- Winners: None(See Junior Assassins for more info)
- Coordinator: Joey Babcock
- Winners: Danny Rubin and Harrison Logan of "Yak Attack", Sebastien Valencia and Jack Baldner of "Toe Snatchaz".