For those who like games in which calculations must be done to solve the test, Ludoteka has Abacus, Killer Sudoku, and Parcheesi Sprint.
Abacus is the most mathematical of all: different mathematical operations must be done to reach a target number.
Killer Sudoku is a variant of the well known Sudoku, where additions and subtractions must be done to solve the puzzle.
Sprint Parcheesi is a solitaire game designed by Ludoteka that allows you to play quick games of Parcheesi: you have to manage all the pieces, and you must calculate in advance several moves to get a good result.
Abaco game
Parcheesi game
Sudoku game