Guns of Icarus Online (also known as Guns of Icarus Alliance) is a steampunk-themed multiplayer first-person shooter video game developed and published by American studio Muse Games. It is a follow-up to Flight of the Icarus (formerly known as Guns of Icarus Classic), and was released on October 29, 2012. A cooperative, PvE companion game Guns of Icarus Alliance was released on March 31, 2017. On December 23, 2011, Muse Games launched a Kickstarter project to raise $10,000 to partially fund the development of Guns of Icarus Online, and the company subsequently received $35,237 at the close of the bidding on February 21, 2012. Following the completion of their fundraising campaign, Muse Games co-developer Eric Chung announced that Guns of Icarus Online would enter closed beta on April 10, 2