| 01 · Boarding Action | Board the Covenant ship and clear the first three Skull detours. | Immediately after the Leadhead room | The top of the large vertical tractor beam | Ride the beam, turn around on arrival, enter the blue doors behind and right of the beam, and interact with the panel on the immediate right wall. | Use immediately after the leadhead room as the pause cue, confirm the top of the large vertical tractor beam, then take only the listed detour before returning to board the covenant ship and clear the first three skull detours.. |
| 02 · The Most Dangerous Game | Track the repeat Elite trigger and finish both prison-side detours. | While freeing prisoners | The overlook above the holding pods | Use the right-hand door from the overlook and inspect the raised center of the small storage room. | Use while freeing prisoners as the pause cue, confirm the overlook above the holding pods, then take only the listed detour before returning to track the repeat elite trigger and finish both prison-side detours.. |
| 03 · Heavy Burden | Clear the upper-route, spire, and timed transport detours. | After the bridge fight with two Hunters | Ground-floor armory doors below Johnson's upper route | Use either lower door, continue through the armory rooms, and check behind the weapon pods on the left side of the back room. | Use after the bridge fight with two hunters as the pause cue, confirm ground-floor armory doors below johnson's upper route, then take only the listed detour before returning to clear the upper-route, spire, and timed transport detours.. |
| 04 · The Pillar of Autumn | Collect all four objectives before leaving the ship. | At the overlook above the cryo pod | The room after Cortana comments about catching you napping | Leave through the next door, turn left immediately, loop into the corner room, and check its back-right corner. | Use at the overlook above the cryo pod as the pause cue, confirm the room after cortana comments about catching you napping, then take only the listed detour before returning to collect all four objectives before leaving the ship.. |
| 05 · Halo | Pair the lifeboat route with one platforming pickup and the Terminal. | During the underground Warthog tunnels | The drop onto a sloped tunnel section | Follow the loop behind the slope and inspect the small left alcove before climbing the far side. | Use during the underground warthog tunnels as the pause cue, confirm the drop onto a sloped tunnel section, then take only the listed detour before returning to pair the lifeboat route with one platforming pickup and the terminal.. |
| 06 · The Truth and Reconciliation | Finish the gravity-lift, ship-interior, and timed-door pickups. | In the ship's holding-cell area | The doors immediately right of the area entrance | Deactivate the cell shields in the next room and inspect the far-wall cell containing a fallen soldier and ammunition. | Use in the ship's holding-cell area as the pause cue, confirm the doors immediately right of the area entrance, then take only the listed detour before returning to finish the gravity-lift, ship-interior, and timed-door pickups.. |
| 07 · The Silent Cartographer | Use the security-override loop to avoid a second unnecessary replay. | Inside the second facility used for the security override | The far rear side of the substation | Circle behind the metallic two-pronged plinth and interact with the hidden panel. | Use inside the second facility used for the security override as the pause cue, confirm the far rear side of the substation, then take only the listed detour before returning to use the security-override loop to avoid a second unnecessary replay.. |
| 08 · Assault on the Control Room | Protect the vehicle route while clearing three high-elevation detours. | In the large icy Scorpion ravine | The monolithic structure at the fork with a door on each side | Enter the structure, climb the interior slope, and turn right. | Use in the large icy scorpion ravine as the pause cue, confirm the monolithic structure at the fork with a door on each side, then take only the listed detour before returning to protect the vehicle route while clearing three high-elevation detours.. |
| 09 · 343 Guilty Spark | Use the early swamp and facility landmarks before the route becomes chaotic. | During the Flood escape after calling the crashing elevator | The prior room and its long thin center wall | Backtrack through the far door, loop behind the center wall, and inspect the back wall. | Use during the flood escape after calling the crashing elevator as the pause cue, confirm the prior room and its long thin center wall, then take only the listed detour before returning to use the early swamp and facility landmarks before the route becomes chaotic.. |
| 10 · The Library | Clear each floor detour before advancing with the Monitor. | After the first lift | The door-control panel with a second panel on its left | Use the left panel first, enter the newly opened left door, crouch through the Flood-covered doorway, and turn the corner. | Use after the first lift as the pause cue, confirm the door-control panel with a second panel on its left, then take only the listed detour before returning to clear each floor detour before advancing with the monitor.. |
| 11 · Two Betrayals | Combine the reverse-route objectives with the mission Terminal. | At mission start | The circular walkway after the opening four drones | Clear the drones, turn around, and follow the far side of the circular walkway. | Use at mission start as the pause cue, confirm the circular walkway after the opening four drones, then take only the listed detour before returning to combine the reverse-route objectives with the mission terminal.. |
| 12 · Keyes | Finish the ship and Flood detours before the escape sequence. | After reaching the shuttle bay | The doors straight ahead after turning left | Follow the winding descent to the first fork, take the right branch, and check the left alcove beside the locked door. | Use after reaching the shuttle bay as the pause cue, confirm the doors straight ahead after turning left, then take only the listed detour before returning to finish the ship and flood detours before the escape sequence.. |
| 13 · The Maw | Collect everything before committing to the final escape. | Early route to the bridge | The mess hall filled with benches | Inspect the small alcove on the room's right side before leaving the mess hall. | Use early route to the bridge as the pause cue, confirm the mess hall filled with benches, then take only the listed detour before returning to collect everything before committing to the final escape.. |