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The Lost Aliens of London Multi-Cache

Hidden : 12/9/2011
Difficulty:
3 out of 5
Terrain:
1.5 out of 5

Size: Size:   small (small)

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Geocache Description:

A new cache designed by Alien from Centauri Prime based on an idea by Kook29 staring the Space Invaders you thought were lost in vivid colour and all four dimensions! there is a small badge as a prize to the FTF. Please bring your own pen or pencil.

Those of who who have completed or even just attempted London Invasion GCYCDM will know how much fun alien hunting can be.

Unfortunately six of the Aliens have returned home to Dessipos M1 but I have been in touch with their home world and set up a means of encountering them again in cyberspace. The mission was go to the places where those aliens once lived and to find small squares of black plastic. On the back of each square you there is a two dimensional code bar code which looks a bit like our favourite alien. The code gives the URL of where you can find a photograph of the missing alien.

The last numbers of each URL were to be used to find the final cache. You will also meet a new alien who did not feature in London Invasion.

The way points for the missing aliens are in the same places as the original aliens so if you have already completed London Invasion you will already be familiar with the Locations and if you have not found London Invasion you can do do both caches at the same time though the final locations with the actual caches are in different places.

If you look at the related web page you will see a video of Space Invader himself discussing QR codes.

Please keep the URLs and the codes secrect. If you have any pictures of our six missing aliens please email them to me so that I have spare pictures to use if the URLS I am using for this cache stop working.


Unfortunately 5 of the six QR codes were too close to existing caches so in the case of WP2, WP7, WP8. WP10 and WP12 you will have to visit the locations and answer a question about the location to be able to find the actual cache but there are QR codes at these locations which will enable you to view the lost aliens on the Internet
Start at the above co-ordinates. They are for a very busy Underground Station.

WP1. POST N. 51 30.797. W. 000 07.452.

You emerge from the Station and wonder which way to turn? Stand so you can see in all directions and you would have seen an Alien guarding the street.. (Alien killed by humans: you can see his ghostly image on the wooden post.)If you look at the post facing South the QR code is hidden under the metal grill to the left. The last two number of the decoded URL will = A & B. I have put up the QR Code for Post in the Gallery as it seems to have been muggled.

WP2. SHOES N. 51 30.824. W. 000 07.489.

A characteristic of these Aliens, which is the same as Earthlings, is an insatiable desire to buy certain things. This has nothing to do with need and some Earthlings have been know to have hundreds of them. You will realise that this Alien is of course female. She is hiding from her mate who will not understand why she needs more of what this shop and others nearby are selling. She is so well hidden that she is no longer visible. You need to walk a few steps North and then turn towards Nottingham Court. On the East Wall of Nottingham Court, there is a telephone number 020 7X746X1X/C. The last number is "C" There is a QR Code is hidden in Nottingham Court between two drain pipes on the left side facing South.

WP7. OFF-SIDE N. 51 30.903. W. 000 07.973.

This Alien was sent to replace the ones from St Giles who have both been atomised.

He has been sent to this spot to investigate the "Off-side Rule". (18/08/09 Alien atomised.The alien was above a road sign and there is a post close to wall where the Alien was. There is a letter and a number on the post "SX" X="D" There is a QR Code hidden at the back of a Street Sign for a well known square about 30 ft to the East.


WP8. BABIES N. 51 30.855. W. 000 08.066.

This Alien had chosen this secluded spot to have some little black babies. She is sending a message home to report the happy event.Unfortunately she has now returned home and is I understand suing for child support from the fathers.There is a house close by named after an object held by Poseidon The number of this house is 1E. There is a QR code is hidden on a drain pipe by the entrance to the studio.

Read the plaque on the wall further along and you will see why the bar/restaurant/night-club is called Revolution.


WP9B. BREAD N. 51 30.864. W. 000 08.085.

This large alien was not in the London Invasion Cache so I felt he should be included in this cache. What is the colour of this alien's body? Use the chart below to find F.

WP10. HORSE N. 51 30.805. W. 000 08.322

This Alien was tucked away next to a pub. There's a surprise!This alien has galloped off. There is a lampost with a sign on it threatening to damage bicycles . There is a number on the post X. X equals G The QR code was hidden on this lamp post.Unfortunately the QR code I hid for this way point on the lamppost has been muggled so I have hidden a replacement way point behind a drain pipe by No 1 Newburgh Street.

WP12. CIRCUS N. 51 30.593. W. 000 08.071.

Now we're off to the circus! The co-ordinates are for the centre of this busy place but you don't need to go to the middle. The Alien was on the top step guarding the Alien Fraction used by visiting Aliens to help find Base Camp.There is a railing with brass knobs on it close by with some black metal boxes . One of the boxes is labelled "FPX" X will give you "H" There is a QR code is hidden on these railings close to the black metal box labelled "FPX".

Sadly, this Alien got drunk and fell down the steps and disintegrated, so look for 49-319 and go to the nearby steps to find the fraction.

There are many of these fractions about so make sure you are at the right place. Use the colour chart and the numerator plus 4 will tell you the direction to travel. In the denominator the 1st digit minus 1 and corresponding colour tells you the line to take: the 2nd digit tells you how many times you must change trains; the 3rd digit plus one tells you how many stops to your destination.


You will need to have a travel card or buy a ticket to travel on the tube and be warned the trains do not run all night! Please check the TFL web site to find out when the trains are running. When you arrive ascend the first set of escalator . At the bottom of the second set of escalators there is a fraction. The numerator is I. This fraction appears at on both sides of these second escalators on both sides and in another four places round the hall at the bottom of the escalators.

Ascend to the surface and have a cup of coffee or tea as you work out the location of the cache.

WP13 The Aliens' Second Base Camp. N. 51 (BxF)+I.(IxAxC)
W. 000 (C+G-E)F.(E-I)x(F-H)x(A-B)xG

In case the following colours don't appear correctly they are:
Brown, Black, Green, Yellow, Blue, Grey, Red,Orange.

1 Westbound
2 Tipperary
3 Northbound
4 Timbuktu
5 Eastbound
6 North Pole
7 Southbound
8 orange Romford

You can check your answers for this puzzle on Geochecker.com.


Unforunately the QR codes may be muggled. The only QR code that you need to find to know where the cache is is the one at Waypoint Post but if find the cache and you have not been able to find the other QR codes , please email me with your email address and I will send you the missing QR codes.

Additional Hints (Decrypt)

Ybbx sbe n erpgnathyne fvta.

Decryption Key

A|B|C|D|E|F|G|H|I|J|K|L|M
-------------------------
N|O|P|Q|R|S|T|U|V|W|X|Y|Z

(letter above equals below, and vice versa)