Mathrax [MATX-3-008P]
Calcudoku [CALC-3-008P]
Tenner Grid [10ER-5-005P]
Cross Math [XMAT-4-004P]
Number Cross [NUCR-2-002P]
Doppelblock [DOPP-3-003P]
Cross Math [XMAT-3-003P]
Index Sums [INDE-4-004P]
Sum Skyscrapers [SSKY-4-004P]
Digital Battleships [DIBS-2-002P]
Tenner Grid [10ER-4-004P]
Calcudoku [CALC-4-009P]
Doppelblock [DOPP-5-005P]
Cross Math [XMAT-2-002P]
