Do you have questions about the principles of playing the game?

If you find something is missing, Charlie's Post Office can be found here.




I am sending you each envelope in the game from a certain country.
You can look at the clues for each of the envelopes if you get stuck.

Which letter do I begin with?


Egypt
Argentina
Australia
Botswana
Brazil
China
Germany
France
Greece
Great Britain
Netherlands
India
Iceland
X
Iceland


Some letters in the volcanic eruption seem to go together. Can you make words out of them?




If you put the letters together correctly you will get the following sentence: THINKING CLEVERLY, A PLUS AND A MINUS MAKE A NUMBER. Which number could that be? Maybe you could draw it…





The correct solution is either the number 7 or the number 4. Can you find it on the next envelope?

Israel
Italy
Japan
Mexico
Monaco
Panama
Russia
Sweden
Spain
South Africa
...
Greenland