What is Blockland

Blockland is a freeform, online multiplayer game. It focuses around build things with a selection of bricks for whatever purpose. It has many features, such as an input/output events system, an add-on system for adding weapons, vehicles, scripts, etc., and even a brick physics system for blowing stuff up. You can make anything, from and RPG, to a deathmatch, to a simple building server. You can play the frre demo, which limits you to 150 bricks, and disables online play. Or, you can pay 20 dollars for the full version.