Halo Campaign Evolved Skull Locations Database

Upon respawn a random element of your HUD no longer appears

When

After the two-Hunter fight

Landmark

Johnson takes the uphill route

Route

Take the ramp opposite Johnson, follow the descending spiral, cross the ship bay through the unlocked doors, and check the right-side walkway in the next room.

Condition

No special movement required.

When reloading you lose the ammo remaining in the discarded clip

When

After clearing the sandy Elite training room

Landmark

The tractor beam objective is above the arena

Route

Use the open doors above the entrance instead of going straight to Johnson, loop onto the upper platforms, and clear the newly opened left-side doorway; the pickup is on the curved center walkway.

Condition

Clear the extra Elite wave before searching the walkway.

Headshots no longer provide extra damage or instant kills

When

Late mission, before riding the large vertical tractor beam

Landmark

Upper-deck beam room with Brute and Covenant waves

Route

Finish the room, leave the beam unused, enter the hallway to the beam platform's left, then take the short left slope to its dead end.

Condition

The detour is safest after the combat wave is fully cleared.

Allies will attack the player more quickly if the player kills a friendly

When

Across three prison-facility arenas

Landmark

A gold Elite with purple details and an Energy Sword

Route

Tag the same Elite once before the prison entrance, again beyond the Wraith in the next arena, and a third time immediately after leaving the prison; then clear the final outdoor wave and inspect the raised purple pylon.

Condition

All three sightings must be hit in one mission run; do not wait until the Elite begins leaving.

Every shot expends twice the normal amount of ammo

When

At the prison entrance bridge

Landmark

Two lit braziers beside the large locked door

Route

Destroy the explosive canister inside each brazier to open the near-side door, then collect the pickup from the floor beyond it.

Condition

Both braziers must be triggered.

Enemies no longer flinch when taking fire

When

After activating the two bridges and crossing the short cave

Landmark

The arena gate's left brazier beside a high ledge

Route

Clear the arena, return to the entrance-side gate, reach the ledge by partner boost or frag-grenade jump, then use the wall lip and brambles to enter the brazier.

Condition

Requires co-op boosting or an advanced frag jump; a plasma grenade is not a safe substitute.

All auto-aim is disabled for all weapons

When

On the suspended approach to the ship bridge

Landmark

A higher walkway sits above the main crossing

Route

Use the unlocked door before the bridge turn, follow the upper route to its far end, and check the narrow ledge immediately right of the locked door.

Condition

Stay on the upper route rather than crossing the main bridge first.

Grunt headshots produce legendary celebrations

When

Inside the tall white-and-gold multi-level chamber

Landmark

A stone spire with yellow foliage beside a circular platform

Route

Reach the nearby circular platform, use the purple fire pit area to set the jump, and sprint across to the top of the central spire.

Condition

A committed sprint jump is required.

Enemies killed while the player is at full health drop more ammo

When

Near the end, after restoring power to the floating transport

Landmark

Two enemy platforms flank the moving transport

Route

Jump to the left platform and run directly to its back-right corner, then return before the boundary countdown expires.

Condition

This is a timed out-of-bounds detour.

Take your time, enjoy the sights! Disables sprint

When

The first playable room

Landmark

Two cylindrical containers in the rear corner

Route

Turn around at mission start, climb the containers onto the upper walkway, and follow it toward the viewing window.

Condition

Available immediately.

60-round magazines for the AR are now standard-issue

When

Early route to the bridge after the attack begins

Landmark

The large locker room

Route

Check the top of the lockers on the near side of the room before continuing toward the bridge.

Condition

A short climb onto the lockers is required.

Changes the player camera to third-person

When

Immediately after receiving Cortana from Keyes

Landmark

The bridge crew pit below the two pilots

Route

Re-enter the bridge, drop beneath the pilot stations, and inspect the small alcove left of the ladder.

Condition

Collect before leaving the bridge sequence.

Grunts die in a blaze of plasma

When

While securing the three lifeboat sites

Landmark

The left-most crash site and its tall metal spire

Route

Clear the site, climb the spire's lower slope, use a frag jump across the gap, and continue to the top of the higher section.

Condition

Requires a UNSC frag-grenade jump.

Firing your weapon drains your shield, but dealing damage to enemies recharges it

When

While securing the central lifeboat region

Landmark

The river beneath the large rock overhang

Route

Follow the water upstream and inspect behind the large rock touching the left bank.

Condition

No special movement required.

Take continuous damage whenever touching the “ground”

When

At the right-most lifeboat site

Landmark

Rocky outcroppings above the crash area

Route

Climb the sloped hill, jump to the grassy platform on the downhill-right side, then drop to the lower rock formation beneath it.

Condition

Two platforming moves are required.

Dying in co-op resets you to your last checkpoint, dying while solo restarts the level

When

At the exterior gravity lift

Landmark

A horizontal white floor light near the cliff side

Route

Walk to the lift's far edge, look over the cliff beyond the white light, and drop to the small ledge below.

Condition

Check the landing before dropping.

UNSC vehicles cannot be damaged

When

Early inside the ship

Landmark

Upper walkway above two destroyed Wraiths

Route

Follow the walkway's far curve, climb the purple container, and chain jumps across the three curved support ribs; the pickup rests on the third rib.

Condition

Precise platforming; use the corner loop to reset after a fall.

Players cannot use weapons from another faction

When

On entering the large hangar

Landmark

Spawn doors at the hangar's back-right side

Route

Move to the back-right before the reinforcement doors open, enter with the spawning enemies, and search the left alcove inside.

Condition

The door closes again, so enter during the reinforcement spawn.

Infinite ammo and grenades

When

After the beach facility locks and sends you to override security

Landmark

The cave immediately up-left after exiting the locked facility

Route

Enter the cave and inspect the open clearing on its floor.

Condition

No special movement required.

The Corps: Now issue rifles AND wings...

When

In the circular two-Hunter arena on the way to the override

Landmark

The sloped central metal structure and its horizontal beam

Route

Walk up the sloped edge, jump onto the center, follow the beam, and climb to the rock-side raised section partly covered by a tree.

Condition

Platforming route through the center structure.

All weapon zoom functionality is disabled

When

Returning to the first underground facility after disabling security

Landmark

The bright wide ramp below the room with two Hunters

Route

Clear the room, look over the ramp edge before descending, and drop from the lower part of the slope onto the small ledge far below.

Condition

A careful controlled drop is required.

It would have been your dialogue

When

While driving the Scorpion through the open-air bridge section

Landmark

The large snowbank left of the far end of the chasm bridge

Route

Clear the bridge, park beside the snowbank, jump from the Scorpion into the small ice recess, and collect from the alcove.

Condition

Use the Scorpion as the height boost.

Enemies fire their weapons faster and more frequently

When

On the route to the Control Center Ziggurat

Landmark

Three metal arches in the valley before the progression doors

Route

Climb to the top of the arch farthest from the valley entrance.

Condition

Platforming to the upper arch.

Physics mass of objects is reduced, making them more easily displaced

When

At the bridge where Cortana points out the Banshees

Landmark

The narrow slanted support beneath the bridge's right side

Route

Drop from the right edge onto the support and move into the hidden passage under the bridge.

Condition

A narrow landing with fall risk.

Motion Tracker is disabled

When

Early swamp approach

Landmark

The destroyed Covenant dropship hanging in the trees

Route

Climb the slope left of the wreck, then use the rocks just beyond the large tree on the right.

Condition

Short rock climb.

Enemies have increased awareness of the player

When

Inside the bloody underground section

Landmark

The frightened wounded Marine who fires while lying down

Route

Defeat that specific Marine; the pickup drops from him.

Condition

Requires killing a friendly NPC.

Flood Combat Forms reanimated by Infection Forms are much more dangerous

When

During the late escape to evacuation

Landmark

The outdoor drone structure and dark forest to its right

Route

Ignore the structure, continue through the right-side forest to the fallen horizontal tree, climb from the base rock, and cross the trunk to the far ledge.

Condition

Do this during the endless Flood pressure or after creating space.

Enhances both positive and negative damage multipliers. EX: Plasma does MORE damage against shields, but LESS damage against health

When

After emerging from the early lower Flood section

Landmark

The drone-versus-Flood room where Guilty Spark notes you survived

Route

Turn right immediately and climb the slope above the steps.

Condition

Easy to pass if you follow the room forward.

Shooting Flood in their weak point causes them to explode

When

After the first elevator descent

Landmark

The point where the left and right combat routes reconnect

Route

Climb the metal slopes, jump onto the pronged structures, and use them to reach the narrow inner-wall ledge.

Condition

Multiple precision jumps.

Weapons dropped by enemies contain half the ammo

When

After the final elevator descent

Landmark

The first ramp into the lower Flood chamber

Route

Go down the ramp, turn left immediately, and check the small floor-level alcove.

Condition

Collect before pushing deeper into the final chamber.

Enemies always go berserk, constantly dive out of the way, and never run away from a fight

When

At the first exterior Banshee pickup

Landmark

The facility spire in front of the blue beam

Route

Fly above the normal walkway objective, hover over the spire top, and exit the Banshee onto it.

Condition

Requires a controlled mid-air vehicle exit.

Your shields will only recharge when you melee enemies

When

After descending from the twin bridges toward the second pulse generator

Landmark

The three metal arches at the valley floor

Route

Cross over the arch directly ahead of the lift exit and search the small dead end between the Flood growths.

Condition

No special movement beyond reaching the arch.

Enemies have increased health

When

At the second generator platform

Landmark

The unlocked non-objective door across from the waypoint route

Route

Activate the center panel, fly to the opposite non-waypoint door, fight through the Flood rooms, and clear the final dead end; the pickup is on its center pedestal.

Condition

Long combat detour away from the marked route.

Enemies throw and drop more grenades

When

Opening run to the first ship gravity lift

Landmark

The upward lift after the Jackal back-smack and nearby Overshield route

Route

On Heroic or Legendary, move quickly to the lift and hold the interact control while rising to catch the passing pickup.

Condition

Difficulty-gated and time-sensitive; restart the checkpoint immediately if the pickup is missed.

HUD and Weapons do not appear onscreen

When

Immediately after entering the ship by gravity lift

Landmark

The first major room with a destroyed Wraith

Route

Use the side archway, pass under or over the second wreck, and follow the slope to the corner beside the large locked doors.

Condition

No special unlock condition.

Punching enemies makes them drop inert grenades

When

After the Captain Keyes cutscene

Landmark

Keyes' body at the objective location

Route

Remain at the scene and melee the body repeatedly until the pickup appears in front of it.

Condition

Requires repeated melee after the cutscene.

Weapons continue to reload while stowed

When

On the engineering route through cryo storage

Landmark

The original cryo pod room with a burning rear-left corner

Route

Clear the room, use the collapsed walkway in the rear-left corner, and jump onto the beam against the back wall.

Condition

Clear the drones and Flood before the beam jump.

Explosion radius is increased by 2x

When

In the four-core engineering room

Landmark

Second-floor debris in the back-right corner

Route

Reach the debris route to the upper corridor, move to its left instead of climbing it, and drop to the narrow ledge below; inspect the left corner.

Condition

Controlled drop onto a narrow ledge.

Upgrades the rank of most enemies

When

Early in the final Warthog escape

Landmark

The second inner-wall shortcut tunnel

Route

Ignore the first shortcut, enter the second, and stop at the halfway point to check the right side.

Condition

A timed driving detour during the escape.