31, 2017 in PDF and on March 8, 2018, a compilation of several other Delta Green adventures released by Arc Dream was released in only one book Delta Green: A Night at the Opera, containing the adventures Reverberations, Viscid, Music from a Darkened Room, Extremophilia, Star Chamber and Observer Effect. In February 2018, Pelgrane Press released The Fall of DELTA GREEN, the Vietnam era game financed on the 2015 Kickstarter as a GUMSHOE counterparent to Delta Green's Basic Role-Playing. On July 9, 2018, returning co-creator John Scott Tynes started a Kickstarter campaign to fund Delta Green: The Labyrinth, a new sourcebook containing "new threats, allies, and mysteries to deepen the terrors of your campaign." It was released on November 12, 2019, in PDF and July 29, 2020, in physical format. In 2018, Delta Green won six ENnies awards. Gold in Best Rules, Best Production Values for Delta Green: The Roleplaying Game and Best E-Book for Delta Green: A Night at The Opera categories; while Silver in Product of the Year and Best Game for Delta Green: The Roleplaying Game and Best Adventure for Delta Green: A Night at The Opera. On April 18, 2019, the sourcebook Delta Green: The Complex was released, containing information on federal agencies and related professions that didn't appear in the Agent's Handbook, such as the ATF, NSA, Booz Allen Hamilton, United States Coast Guard among other federal law enforcement, intelligence, military and private contractors agencies that work for the US government. Later on April 24, the collection of scenarios Delta Green: Control Group was released in PDF format, the scenarios in Control Group are meant to be introductory for both players and their characters, the scenarios use pre-made characters that are not in the Delta Green conspiracy. 2020 saw the release of Black Sites, similar to A Night at The Opera, it's a hardback collection of scenarios previously available only in PDF or paperback. On January 25, 2021 Delta Green: Impossible Landscapes was released. It is Delta Green'''s first full-length campaign, centered around Hastur, The King in Yellow and Carcosa, with a bigger focus in surreal horror. On August 10, 2021, Arc Dream started yet another Kickstarter campaign called Delta Green: The Conspiracy. The project is an updated re-release of the original Delta Green sourcebook (now retitled Delta Green: The Conspiracy) with new art, layout and aligned with the new edition's rules. The campaign was