**The Maw: finish the engine work before worrying about the driving**
Halo: Campaign Evolved. Ending spoilers.
You still have three skulls and a terminal to collect, and the last skull is inside the timed Warthog escape. Read its location before starting the drive. That is a much better plan than parking in the main tunnel while trying to work out which shortcut you just passed.
**Back aboard the Autumn**
Check the space below the early drop before jumping into it. Clear the immediate Flood threat, then continue through the damaged ship toward the bridge. When enemies are already fighting one another, use that distraction to choose your approach instead of volunteering to be everyone's closest target.
**Arrival** is in the mess hall on the way to the bridge, along the right wall. Collect it before continuing through the corridor to the command area. Watch the doorway into the bridge for enemies with explosive weapons; a cramped entry gives you little room to correct a reckless push.
After the bridge scene, fight the Sentinels and proceed toward cryo storage. A shotgun is available for the approaching Flood encounters. Keep enough ammunition for something rushing you at close range, rather than relying entirely on a weapon that needs a long clear firing lane.
**Stowed Reload**
In the cryo room with four central pods and Sentinels fighting Flood, clear a safe climbing opportunity. **Stowed Reload** is on the raised support/walkway in the back-left corner from your entrance, above the wreckage. Use the nearby geometry to climb to it.
Continue through the observation area and ventilation route toward engineering. Take useful supplies from side rooms, but don't confuse a supply detour with a missing objective marker. The engine-room approach has explosives available; bring grenades or rockets for the actual task ahead.
**Boom and the four cores**
The engine objective requires **four** cores destroyed. Use each control to expose its associated core, wait for the opening, then put a grenade or rocket into the exposed target. Confirm the objective count increases before moving on. Shooting a closed cover is not completing that step.
**Boom:** on the right side of engineering, climb through the side rooms to the upper control level. Near the rear control and Sentinel-spawn hatch, drop onto the narrow ledge below the hatch. Work around the obstruction close to the wall and crouch along the ledge to the skull. Line up the landing first; this is a small maintenance ledge, not the engine-room floor.
Keep moving between the controls and available cover. Do not wait for the whole room to remain permanently empty before doing the objective. Once all four cores are destroyed, take the escape route and watch for armed Grunts in the corridors ahead.
**Thunderstorm during the Warthog run**
Take a Warthog and follow the escape route. In the tunnel section with pillars and ramps, there are shortcut openings along the right wall. The **second** of those side passages contains **Thunderstorm**. Stop around its middle and check the right side beside the burnt wreckage for the skull, then get back into the vehicle promptly.
The timer is still running. This is a deliberate collectible stop, not an invitation to explore every branch. If you are learning the drive, separate your first successful escape from a later collectible attempt rather than trying to solve both under pressure.
Continue past the failed rendezvous and toward the final escape craft. At the blocked last stretch, leave the Warthog and finish on foot. Find a clear lane through the fighting and keep moving toward the exit instead of trying to kill everything in the hangar.
The final list is **Arrival, Stowed Reload, Boom, and Thunderstorm**. Grunt Birthday Party belongs to a different mission in this remake; the old Foehammer ledge instructions are not this game's final skull route.
**The Maw: finish the engine work before worrying about the driving**
· Games / Halo: Campaign Evolved