This is an addictive free and open source game. The idea behind crack attack is that you have a mass of blocks of different colours. More blocks are added to this mass from the bottom of the screen. The aim of the game is align three or more blocks of the same colour to eliminate them. To do this you can only switch two adjacent blocks at a time using the spacebar. Sometimes more blocks fall from the top of the screen and you have to eliminate those too. The game ends if the mass of blocks exceeds the height of the playing screen.
The game features eye pleasing graphics, simple controls and multiplayer options.