Steam News announces a free weekend is now underway for Ghost in the Shell: Stand Alone Complex - First Assault Online. This ends on Sunday at 4:00 pm EDT, and this post adds further details, saying they will be hosting in-game sales, events, and community events all weekend long. Here's more:

Free this weekend on Steam! Operatives, we are incredibly excited to announce that Ghost in the Shell: Stand Alone Complex - First Assault Online is now free for a limited time to all Steam players!

Spread the word and dive in all weekend long to become a member of Section 9, an elite force of cybernetically enhanced combat operatives who connect through cyberspace to protect society and fight terrorists on the bleak streets of a futuristic Japan. We need YOUR help in this fight against cyber terrorism!