Greg Wohlwend is an American independent video game developer and artist whose games include Threes! and Ridiculous Fishing. He originally formed Intuition Games with Iowa State University classmate Mike Boxleiter in 2007 where they worked on Dinowaurs and other small Adobe Flash games. Trained as an artist, Wohlwend worked mainly on the visual assets. As Mikengreg, they released Solipskier, whose success let the two take a more experimental approach with Gasketball, which did not fare as well. At the same time, Wohlwend collaborated with Asher Vollmer to make Puzzlejuice, and with Adam Saltsman to make Hundreds based on Wohlwend's first game design. He later released Threes! with Vollmer in 2014 to critical acclaim. His later games TouchTone and TumbleSeed were also the products of collaborations. Wohlwend was named among Forbes' 2014 "30 under 30" in the games industry.

Threes is a puzzle video game by Sirvo, an independent development team consisting of game designer Asher Vollmer, illustrator Greg Wohlwend, and composer Jimmy Hinson. The game was released on February 6, 2014, for iOS devices and later ported to Android, Xbox One, Windows Phone, and Windows. In Threes, the player slides numbered tiles on a grid to combine addends and multiples of three. The game ends when there are no moves left on the grid and the tiles are counted for a final score.