Columns Millennium - Version 1.0 Columns Millennium is a free Tetris-style game for Windows, using DirectX 6. The goal of the game is to place three or more blocks of the same kind in a row (horizontal, vertical or even diagonal) to destroy them. But this is just the beginning. Chain-reactions, magic blocks, multiplayer (both local and network) and fully customizable environment makes this a game you don't want to quit playing!