| Hint | Answer |
| Sierra _____ | |
| Sangheili, also known as _________ | |
| Mastermind of the Spartan Program | |
| Collective consciousness of the Flood | |
| The acronym, ODST, stands for ______ | |
| Main Covenant ammunition source | |
| Smallest handheld UNSC weapon | |
| Largest land vehicle among UNSC and Covenant | |
| Covenant Capital | |
| UNSC base of operations | |
| | Hint | Answer |
| Master Chief's moniker within the Covenant | |
| First Sangheili ally of the UNSC | |
| Enables humans to travel through Slipspace | |
| Ancient, advanced ancestors of humans | |
| Robotic guardian of Installation-04 | |
| The acronym, UNSC, stands for ______ | |
| Site of the Ark Portal | |
| Most widely used UNSC troop transport | |
| The acronym, EVA, stands for _____ | |
| Directive prohibiting UNSC vessels from leading those of the Covenant to Earth | |
|