This is the CO-OP easter-egg method for the ‘Ensemble Cast’ achievement and WILL also unlock the ‘Stand-in’ achievement if not already attained in solo zombies, as well as a gamer picture for each.
The clip at the bottom of this solution is all you should really need however I have still explained the steps in detail below.
This entire method can be done in 2, 3 or 4 player co-op. The ONLY STEP that you actually need two people to work in harmony for is the vodka bottle. I've done the generators, lighthouse dials, radios and horns a few times by myself and never rushed it and it never didn't work.Remember ~ if at any point you become stuck:
a) Listen for more dialogue by knifing the vault door, holding (x) on it and standing close to it for longer. Many people rush to the next task too early and then fail the achievement.
b) If you realise you have done something wrong, re-do the process in the correct order. If it still does not work then complete the next round and make more crawlers and try again. If this does not solve the issue then you may need to restart the game.What you will need in order of use:
[!] Any explosives
to destroy the generators [frags/semtex/scavenger/china-lake/crossbow]
+ Juggernog [optional, but highly recommended for all players in the game]
[!!] VR-11 from the random box
to change a zombie into a human [standard - no need to pack-a-punch]
[!!!] Any decent weapon or explosive
to kill the human who runs to the lighthouse once he is in the green beamACTIVATION1. Follow the chalk lightning bolts to the ship's bridge. 2750 points are required to clear obstacles. Switch the power on by holding (x). Proceed to the vault near the base of the lighthouse [in the room below the PHP Flopper machine], take the spring-loaded catwalk on the ship if you want to get there quickly. Stand right beside the vault door and knife it, a dialogue will begin. Wait for the heroes' dialogue to end.
FUSE
2. The fuse will then spawn in the flopper room [directly above the vault room] in one of three locations; on the ground lying against the left side of the locker to your immediate right as you enter the room, on the desk beside the batteries or on the desk in front of a pin-up wall [directly opposite the battery desk]. Retrieve the fuse by holding (x) on it. When you have the fuse it will appear in your inventory to the left of your ammunition HUD readout. Place the fuse in the panel to the right of the vault door by holding (x) beside it. Wait for the heroes' dialogue to end.
GENERATORS
3. Blow up all 4 generators with explosives[!], they are vulnerable to damage only when each has a bright red light upon it. When the red light goes out, it has been destroyed. They do not need to be destroyed in order.
gen1~ Two metres from the vault door, right in front of it.
gen2~ At sea level, off in the distance on the inaccessible side of the double tap half of the ship.
gen3~ On ground level, between the two catwalks that are betwixt the juggernog half of the ship and the double tap half [for which the red light is visible as soon as u exit the flopper room and look towards the ship].
gen4~ At sea level, behind the staminup hut - accessible from the bottom floor of the lighthouse [visible from the rear window of the hut].
Cook your frag nades off else the water may prevent them from exploding. If you are experiencing difficulties in destroying the generators you can purchase semtex from the deck of the ship directly above juggernog. Think of the metal parts of the generators as indestructible then simply aim your explosives at the red light, not the body of the generator.
4. Return to the vault and wait for the heroes' dialogue to end.
> > > THIS IS WHERE THE CO-OP METHOD BEGINS TO STRAY FROM THE SOLO METHOD < < <
VODKA BOTTLE
5. This vodka bottle segment is the ONLY ONE for which two people are required the rest CAN all be easily completed by one person, however two or more people must still be in the game.
The vodka bottle will now spawn in one of four[?] locations. The bottle appears in a clump of ice frozen onto a railing. One player must stand directly below the vodka bottle in order to catch it, there is some room for error in perpendicular judgement. A second player must then crouch and knife the bottle down to the other player, it cannot be shot down. You do not need to press anything to catch the bottle, it must just touch you before it touches the floor. Only ONE vodka bottle is needed however it is needed intact so if a vodka bottle is not caught but smashed instead it will spawn at one of the other locations detailed below.
bottle1~ On the corner of a railing overhanging the catwalk from the flopper room to the lighthouse [right beside the random box spawn].
bottle2~ On the rail of the metal catwalk steps from the flopper room to the lighthouse, overhanging the steps of the boardwalk near quick revive [just below bottle1].
bottle3~ Attached to a bright yellow railing near where you cleared the boxes and other debris on your way to the power room, close to the ship's smokestack.
bottle4~ On the left railing on the catwalk on the way to juggernog which has a boat in the way that costs 1000 points to move, the only catwalk from which you can jump from the double tap half of the ship to the juggernog half.
bottle5[?]~ Fourth level of the lighthouse, on the railing near the zipline and deadshot[?].
bottle6[?]~ [?]
6. When you have the bottle it will appear in your inventory as the fuse did. Take the vodka bottle to the vault and place it in the vacuum tube on the wall to the left of the vault door by holding (x). Wait for the heroes' dialogue to end.
LIGHTHOUSE DIALS
7. This step may be hard to memorise and as such I suggest you print it out or copy it down. The lighthouse has four floors with a dial on each. The dials can be moved by pressing (x) on them. Each dial is connected to the dials on the floor above and below it and therefore they must be set in a certain order. The combination is 2-7-4-6 [from TOP TO BOTTOM]. The most efficient way to set the dials is to start from the one on the 4th floor.
Change the 4th floor dial to number (2).
Change the 2nd floor dial until you get a (7) on the 3rd floor dial.
Change the 1st [ground] floor dial until you get a (6).
Change the 3rd floor dial until you get a (4) on the 2nd floor.
Change the 4th floor dial until it is at (2), making the 3rd floor dial return to (7).
Check the dials are correct with the list below. If not, you have done something wrong. Repeat the process.
(DIAL) - COLOUR - FLOOR
_(2)__ - _yellow__- 4th [top] floor, zip-line, box spawn and deadshot machine, incandescent [yellowish] lighting.
_(7)__ - _orange_ - 3rd floor, one exit, incandescent [yellowish] lighting.
_(4)__ - _blue___ - 2nd floor, one exit, fluorescent [bluish] lighting.
_(6)__ - _purple__- 1st [ground] floor, 2 exits and an icy floor, fluorescent [bluish] lighting.
Nothing is supposed to happen as yet when you have the dials in the correct position.
RADIOS
8. The radios must be activated IN ORDER by looking at them and pressing (x) once. When a radio is activated it will make a short beeping sound.
radio1~ In the room below the power room atop a console, easy to miss.
radio2~ Near staminup to the right on a barrel. NOT THE RADIO UNDER THE ROLLER DOOR.
radio3~ Lying sideways in a shipping container between the mp40 and the end of the lighthouse zip line.
radio4~ Vault room, under the stairs.
When complete a FLARE WILL APPEAR in the sky between speed cola and juggernog and a MORSE CODE sequence WILL SOUND continuously. If not, you have done something wrong. Repeat the process.
SHIP CONTROLS
9. Return to the ship's bridge [where you turned on the power].
10. The morse code that is being transmitted decodes to: 2 right, left slow, right full. So, assuming you have not as yet touched any of the ship's controls, turn the wheel twice to the right by holding and releasing (x) while standing near and looking at the right hand side of the wheel [so that the brown handle is in the five o'clock position or 150 degrees if you will].
11. Pull the left leaver [on the console to the right of the wheel] once by holding (x).
12. Pull the right leaver on the console three times by holding and releasing (x). [middle leaver cannot be moved]
If done correctly the ship's CONTROLS will be LOCKED into position, the morse code will STOP transmitting and a SUBMARINE WILL SURFACE in the sea between speed cola and juggernog [not visible until the fog clears]. If it has not surfaced, you have done something wrong. Repeat the process.
FOG-HORNS
13. There are four fog-horns in total in the area between the end of the ice slide and the lighthouse. Two are in the open snowed over area near the lighthouse and two are in the area near the ice slide and speed cola. They must be activated IN ORDER for the submarine to shine its green beam on the lighthouse.
horn1~ lighthouse area, by the water further from the lighthouse than horn3.
horn2~ speed cola area, right beside the speed cola on the immediate right as you come down the slide.
horn3~ lighthouse area, right beside the lighthouse and the wall of the vault room.
BEFORE YOU PRESS HORN4: check that the lighthouse dials from step 7. are still correct. They will occasionally move for no discernable reason and may then prevent you from completing the easter egg.
horn4~ speed cola area, further from the slide than horn2, walk straight after you come down the ice slide to find it.
14. After doing this, a green beam of light will be cast onto the lighthouse by the submarine and reflected/refracted down the centre of the spiral staircase in the lighthouse's interior. If not, you have done something wrong. Repeat the process. IF THE GREEN BEAM APPEARS BUT DOES NOT REFLECT/REFRACT DOWN THE LIGHTHOUSES INTERIOR then you do not have the lighthouse dials in the correct position ~ refer to step 7. Once you do have them in the correct position the beam is active within the lighthouse. The beam may now be invisible but a loud humming noise should be heard within the lighthouse meaning that it is in fact there and you can proceed.
GOLDEN ROD of infamy
BEFORE YOU CONTINUE: create THREE or so crawlers. In doing so; you will be able to attempt steps 16. & 17. multiple times without a new wave of zombies spawning. In order to create a crawler simply aim any explosive at a zombie's legs. If you do not wish to have to babysit your crawlers to prevent them from dying simply electrify them by knifing george while he is near them and then cool george off again by leading him to the water. Now your crawlers will not freeze to death in the icy water.
15. Hit the random box until you get the VR-11 it will cost you 950 points per attempt but from my experience it seems that at this point the probability of someone receiving a VR-11 from the box MAY have changed to being rather high or possibly even 100%.
16. Once you have the VR-11[!!] shoot any zombie [not george] with it to turn him into a human and then follow him. He will run to the bottom of the lighthouse and into the green beam.
17. Kill the human with any weapon or explosive[!!!] as he rises. The best place from which to shoot the human is from the 4th [top] floor of the lighthouse as your line of sight is not blocked by the spiral staircase as it is on every other floor. The human takes considerably more damage than an average zombie yet not so much that it becomes difficult. For reference; two scavenger shots or one set of explosive dolls will be enough. Personally, I believe cooking off some cluster bomb dolls and using them to kill the human is the easiest. When he is low on health he will stop screaming and when he is dead he will fall onto his back and his body will go limp. He will rise to the very top of the lighthouse and then drop the elusive gold rod and it will float to the bottom of the beam.
18. Retrieve the rod by holding (x) on it. When you have the gold rod it will appear in your inventory as the fuse and bottle did. Take the gold rod to the vault and place it in the vacuum tube on the wall to the left of the vault door by holding (x) as you did with the vodka.
BROKEN FUSE
19. Wait for the heroes' dialogue to end then knife the sparking fuse that you placed in the panel to the right of the vault door earlier.
20. Wait for the heroes' final dialogue to end and your achievement(s) ‘ensemble cast’ [and ‘stand-in’] will pop! You will also unlock a gamer picture of nikolai [and one of takeo if you did not already complete ‘stand-in’ solo] and be given the wunderwaffe [a wonder gun from the classic waw zombie maps] as a gift which will appear as a death machine power up beside the vault door. Its ammo can only be replenished by a 'max ammo' power-up. Whilst the wunderwaffe is in use / until its ammo is depleted players are unable to; switch to either of their weapons, purchase perks-a-colas, use the pack-a-punch machine, use the random box or purchase weapons off the wall. In light of this, it seems the wunderwaffe is only an effective weapon if used while kiting zombies. 'Cutting the lights' on george [what some people like to call killing him even though he doesn't die] will now award you a random perk and a wunderwaffe in place of a death machine however, all other death machine power-ups dropped by zombies will not be wunderwaffes.
21. You did it! Go crack open a virtual frozen vodka bottle and celebrate!The clip below truly speaks for itself, watch it!Hope this helps
Happy gaming
coreymawf
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All credit for this youtube video demo goes to the legends over at RoosterTeeth.
Guess what guide Geoff's reading from @ 3:55 for the lighthouse dials =D