Bitfield's Blockado series has already enjoyed success on Apple's iOS devices, but now the game is looking to take on Nintendo's DSiWare service with a little sliding-block puzzle action. And while ...

SLIDING-BLOCK puzzles look easy, but they can be tricky to solve. The best known is the “15 Puzzle”, which became hugely popular in the late 1870s. This involves square tiles labelled with the numbers ...