Luxor 2

Easiest way to do this is by waiting for the last train of balls on a level, make sure you have plenty of room. Then wittle them down to two colours then alternate 2 by 2 by 2 etc into a big row until you have 18. Hit the middle and they will all come together in fours, beautiful!

- Play well so the last train of balls is at the start of the run
- Remove all balls except two (of different colors)
- Fire so that you have a long line of 18 in 2 by 2 formation
*Ensure you do not make a 3
- Hit the middle
- Congratulations
XD

try to set something up like the following sequence in a level which is not going to fast.
Note: this may not be the exact colors but when i planned this out and did this it worked awesome.

B = Blue
P = Pink
O = Orange
R = Red
G = G

_Sequence_
PPOBGGRRGBBOOP

shoot the RR in the middle and everything else will fall into place and give you the achievement.

Any Questions, Just send me a message
GT: xGodDogx

here some visual help to the other guides. in general you need a sequence like this: "XXOOXXOOXXOOXXOOXX". just shoot the last sphere directly into the middle of the chain.