Please solve the problem of Sudoku set by automatic generation.
It is according to the fate at that time whether an easy problem crops up or a difficult problem crops up.
Please face thoroughly the problem which can be random, therefore can meet only once.
Development:
ZAP
Distribution:
ONION software
This is Japanese indie game made with HSP( Hot Soup Procrssor ).
A multiplatform game can be made by HSP.
http://en.wikipedia.org/wiki/Hot_Soup_Processor
http://hsp.tv/