Number Sequences description

The purpose of this game is to resolve the most 'Number Sequences'.

An example of the sequence would be the seguent:
1, 2, 3, 4, ?, 6

The question mark (?) represents the number to discover (in this example it is 5).
The difficulty of the levels is proportional to the number of selected level. It starts from the easiest level (level 1) to the hardest (level 20).

The application doesn't require an internet connection.

For informations, suggestions or problems please send an email to the developer.