Unlockable - Unlockable | |
| Secret ending | Complete the Campaign on Legendary. |
| Mythic mode | Complete the game on all difficulties. |
| Plasma Sword | Complete the game on Mythic mode. |
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Halo Zero Cheats and Tips [PC]
Unlockable - Unlockable | |
| Secret ending | Complete the Campaign on Legendary. |
| Mythic mode | Complete the game on all difficulties. |
| Plasma Sword | Complete the game on Mythic mode. |