[Cover photo via Electric Forest website] Last night, after beginning to leak their lineup through puzzles at a November pop-up show, Electric Forest announced the initial artist lineups for both of their festival weekends next summer, set to take place June 21- June 24 and June 28 – July 1, respectively. This marks the event’s second year in its expanded, two-weekend format.Electric Forest Starts Unveiling 2018 Lineup With Crazy Puzzles At Pop-Up ConcertThe 2018 Electric Forest headliners include two weekends of host band The String Cheese Incident, Bassnectar, GRiZ Live Band, RÜFÜS DU SOL, and Zhu. Galantis will join the bill for weekend one, and Marshmello and Testpilot (Deadmau5‘s live mixed techno project) will be added for weekend two. Other weekend one-only acts include Lil Dicky, Green Velvet, Jauz, Keys N Krates, Washed Out, A Tribe Called Red, Andy Frasco & The U.N., Devin The Dude, Maddy O’Neal, Shook Twins, and a DJ set from Totally Enormous Extinct Dinosaurs. Other Second weekend-only additions include Datsik, Get Real, Rezz, SuperDuperKyle, Fruition, and many more.The rest of the two-weekend acts include Bonobo (Live), Chromeo, Cut Copy, The Glitch Mob, Xavier Rudd, Aqueous, Big Something, Cherub, Desert Dwellers, Cory Henry & The Funk Apostles, Emancipator, Eoto, Karl Denson’s Tiny Universe, Manic Focus, Marvel Years, Muzzy Bearr, Natalie Cressman, Noname, PHO, Sinkane, Sunsquabi, Space Jesus, The Main Squeeze, The Nth Power, The Russ Liquid Test, The Werks, Too Many Zooz, Toubab Krewe, Turkuaz, and a slew of others.Wristbands and Lodging Packages for both weekends will be available to all on December 15, and 2018 Loyalty On Sales begin for returning Forest Family as soon as December 7. For more information on loyalty tickets and more, head here.You can check out the full artist announcement from Electric Forest below. For more information on the 2018 events, head to the Electric Forest website.