Question: In what year did the American public-benefit company based in New York help crowd fund a Hidden Path Entertainment tower defense game?

full_context: Document 1: The Flux Foundation: The Flux Foundation is a non-profit group based in the San Francisco Bay Area whose main objective is to build community through the creation of large-scale public art. The group creates both public art and public artists. It was founded on April 1, 2010 and was established as a California corporation on January 6, 2011, by Rebecca Anders, Jessica Hobbs, Peter (PK) Kimelman, Catherine Magee and Colinne Hemrich. As of 2016 the Board of Directors consists of Kimelman, Hobbs, Magee, Paul Belger and Thwen Chaloemtiarana. It is a "public charity" 501c(3) non-profit, supported by grants, public donations and the display of its artworks. Its works are notable not only for their scale but interactivity with the audience relying on participation to create atmospheric effects. The group draws upon Situationist and Fluxus ideas of creating spectacle to establish social connections as an effect of the artwork. This "community creation" is mirrored in the pieces' creation by a large-number of volunteers who themselves create new social networks. The Foundation also provides mentorship and fiscal sponsorship to other large-scale artists. Flux is administratively based in San Francisco, while its studios are located at American Steel Studios in West Oakland, California.
Document 2: Defense Grid: The Awakening: Defense Grid: The Awakening is a tower defense video game developed by Hidden Path Entertainment for Windows and Xbox Live Arcade on the Xbox 360. The game was one of the titles promoted by Microsoft during their Game Developers Conference keynote speech on February 20, 2008. The game was released for Microsoft Windows on December 8, 2008 and for Xbox 360 on September 2, 2009. The OS X version shipped from Virtual Programming on July 7, 2010.
Document 3: Project Enterprise: Project Enterprise is a microfinance nonprofit organization in New York City providing entrepreneurs from underserved areas with loans, business training and networking opportunities. Operating on the Grameen Bank model of microlending, Project Enterprise (PE) has served more than 2,500 entrepreneurs in New York City, and provides microloans from $1,500 to $12,000.
Document 4: Stealth Bastard: Stealth Bastard: Tactical Espionage Arsehole is a 2D platform video game developed by Curve Studios and published by Curve Digital. Its mechanics revolve around stealth, and the gameplay has been likened to that of "Metal Gear Solid" and "Super Meat Boy". The player controls a goggle-wearing clone who must make his way through a testing facility filled with hazards and robot sentries by staying in the shadows, risking instant death if he is spotted by an enemy. The game was first released on 4 November 2011 as "Stealth Bastard" as a free download for Microsoft Windows. An expanded version, "Stealth Bastard Deluxe", was released for Windows via Steam the following November. It subsequently became available for OS X and Linux in April 2013 along with "The Teleporter Chambers" downloadable content released the previous month. In June 2013, it was released for Android as part of the Humble Bundle with Android 6, including DRM-free versions for Windows, Mac OS and Linux and its soundtrack. Versions for the PlayStation 3 and PlayStation Vita were also released in July 2013 under the name Stealth Inc: A Clone in the Dark. Curve have also announced plans to release the game for iPad and iPhone. In February 2014 a PlayStation 4 version of the game titled the "Ultimate Edition" was announced. It contains two DLC expansions "The Teleporter Chambers" and "The Lost Clones" and was released in March 2014. On 1 May 2014, a sequel, "", was announced for the Wii U. It was released on 30 October 2014. The Microsoft Windows, PlayStation 3, PlayStation 4, PlayStation Vita, and Xbox One version was also announced. In April 2015, it was announced that the sequel, "Stealth Inc. 2", will be released on Xbox One on 3 April, while both PS4 and PC players would have to wait until the 7th to grab the game digitally.
Document 5: GauntNet: GauntNet is a Java based tower defense game created by Landon Kryger and James Van Boxtel in a game design class at Washington State University's Computer Science Program. The game continues to gain popularity due to its multiplayer nature.
Document 6: Battalion 1944: Battalion 1944 is an upcoming multiplayer first-person shooter video game to be published by Square Enix and released for Microsoft Windows, PlayStation 4, and Xbox One. The game was announced via a Kickstarter campaign on February 3, 2016. The game will be set during World War II and will run on Unreal Engine 4. The game will be one of the first from studio Bulkhead Interactive, a studio composed of former AAA developers. Bulkhead Interactive is itself a collaborative effort between companies Deco Digital and Bevel Studios, who previously published "" together. The game's crowdfunding campaign was successfully funded in under three days.
Document 7: Kickstarter: Kickstarter is an American public-benefit corporation based in Brooklyn, New York, that maintains a global crowdfunding platform focused on creativity. The company's stated mission is to "help bring creative projects to life". Kickstarter has reportedly received more than $1.9 billion in pledges from 9.4 million backers to fund 257,000 creative projects, such as films, music, stage shows, comics, journalism, video games, technology and food-related projects.
Document 8: PledgeMe: PledgeMe is a Wellington, New Zealand-based crowdfunding platform which offers project and equity crowdfunding.
Document 9: Gem Tower Defense: Gem Tower Defense is a tower defense video game created by Bryan K. It was released on February 18, 2007 under the tower defense subsection of Blizzard's "" minigames. Several game clients, Flash browser game websites and mobile devices have hosted variants of the game. The game is based upon the strategy, mazing, decision making and chance. The goal of the game is to eliminate computer-controlled enemies that follow a set path to reach the end of a pathway. "Gems" are structures players build to defend their maze. Each Gem is randomly distributed leaving it to chance for a player to acquire the one needed. Gems are placed to form a maze for extending the length each enemy unit travels thereby increasing the attack time of the Gems. Both the type and quality of the Gems selected determine the damage and use of the structure.
Document 10: Defense Grid 2: Defense Grid 2 is a 2014 tower defense video game developed by Hidden Path Entertainment and published by 505 Games. As a sequel to the 2008 "", the game was crowd-funded on Kickstarter in 2012, and released on Windows, Xbox One, and PlayStation 4 on September 23, 2014. Linux and OS X versions were released on October 15, 2014.
Document 11: Crowdrise: CrowdRise is a for profit crowdfunding platform that uses crowdsourcing to raise charitable donations. CrowdRise was founded by Edward Norton, Shauna Robertson, and the founders of Moosejaw, Robert and Jeffrey Wolfe.
Document 12: OpenAI: OpenAI is a non-profit artificial intelligence (AI) research company that aims to promote and develop friendly AI in such a way as to benefit humanity as a whole. The organization aims to "freely collaborate" with other institutions and researchers by making its patents and research open to the public. The founders (notably Elon Musk and Sam Altman) are motivated in part by concerns about existential risk from artificial general intelligence.
Document 13: N++: N++ is a platform video game developed and published by Metanet Software, and is the sequel to the Adobe Flash game N+. The game was initially released for the PlayStation 4 game console on July 28, 2015 in North America, and July 29, 2015 in Europe, and was later released for the Microsoft Windows and macOS operating systems on August 25, 2016 and December 26, 2016, respectively. A version for Linux is currently in development. An expansion to the game, entitled "N++ Ultimate Edition", was released for the Windows version of the game on April 21, 2017, as a free update to the game.
Document 14: Brainly: Brainly is a multinational educational technology company based in Krakow, Poland and New York, New York. Brainly operates a group of social learning networks for students and educators. It has over 80 million unique users monthly from over 35 countries (as of January 2017). The first website launched in 2009 in Poland under the name Zadane.pl. Brainly inspires students to share and explore knowledge in a collaborative community, and engage in peer-to-peer educational assistance. The network has elements of gamification in the form of motivational points and encourages users to engage in the online community by asking questions and answering those of other students.
Document 15: Hidden Path Entertainment: Hidden Path Entertainment is an American video game development company based in Bellevue, Washington, United States. It was founded in 2006 by Michael Austin, Jim Garbarini, Dave McCoy, Jeff Pobst, and Mark Terrano. In 2008, Hidden Path released its first original title, "" on PC and in 2009 on Xbox. A downloadable title, "Defense Grid" garnered high acclaim with its twist on tower defense and has sold over half a million units since its release. In 2009, Hidden Path began working with Valve Corporation to update and maintain "", first released in 2004.
ground_truth: 2014