The franchise was founded in 2003 by Jason Lake and was co-owned by real estate investor John Goff, and Dallas Cowboys owner Jerry Jones.

The franchise competes in Apex Legends, Counter-Strike 2, FIFA, Fortnite, Halo Infinite, Hearthstone, Madden, Magic: The Gathering Arena, Rocket League, and Valorant.

Complexity formerly competed in several other games, including Call of Duty, Dota 2, Heroes of the Storm, and League of Legends.

After Goff and Jones purchased the franchise in 2017, Complexity Gaming was acquired by investor group Global Esports Properties, LLC in March 2024.

[2]: 81  The team was formed during the early days of esports in North America and Lake, then a real estate lawyer based in the Atlanta, Georgia, area, paid his players' salaries and travel expenses out of his own pocket, totaling more than $400,000 by 2007.

Notable members include Kyle "kuniva" Shellhouse (frag movies, content), Jordan "p4t" Taylor(mIRC admin, recruitment), Rick "digx" Martinez(Graphics, Animation), Shane "exica" Bailey(Graphics, Animation) [2]: 278 In 2007, Complexity's CS:Source team was crowned the champion of the CEVO Professional Division Season 4.

[citation needed] Complexity continued to operate after the CGS folded in 2008, fielding teams in CS:GO, Call of Duty: Black Ops II, and Dota 2, among others.

[citation needed] On April 11, 2013, Complexity was the winner of the Call of Duty: Black Ops II championship at ESWC 2013.

[9] In 2017, the team was purchased by Dallas Cowboys owner Jerry Jones and real estate investor John Goff and relocated to Frisco, Texas.

[12] In October 2019, they collaborated with Luke Millanta to create a collection of Complexity-branded Counter-Strike: Global Offensive weapon skins.

The deal included an initial payment of $75,000 and a seller-financed note of approximately $9.61 million, with GameSquare entitled to 50% of proceeds from any equity raised by Global Esports in excess of $500,000.

[15] On April 29, 2011, Complexity acquired Epic Charmanders, with a roster consisting of Atlanta, FitterHappier, Gynsingg, Nubbypoohbear, RicePanda, and Shales.

Complexity finished season one of the Challenger League with a 19–7 record in the Ancient Golem Conference, earning a bye to the playoff semifinals.

[31] On June 5, Brokenshard replaced by Kez as starting jungler[definition needed] due to visa complications.

Following the tournament's conclusion, Complexity had to rebuild their roster as both MoonMeander and Fly left to build Monkey Business, which would later become OG.

Together with swindlemelonzz and his brother, Zakari "Zfreek" Freedman, Complexity qualified for several events in early 2016, including the Shanghai Major 2016.

[46] Following the Shanghai Major, the team beat North American rivals Evil Geniuses at Epicenter 2016 to earn a top-4 finish.

[56] The new roster qualified for several Dota Professional Circuit events and finished fifth at the StarLadder i-League Invitational 4, its best placing of the season .

[57] Complexity also removed Chessie and added former COL player MoonMeander, as well as Southeast Asia veteran Adam "343" Shah.

[citation needed] On April 11, 2013, Complexity was the winner of Call of Duty: Black Ops II at ESWC 2013.

[7] On January 12, 2018, Complexity returned to competitive Call of Duty after acquiring Christopher "Parasite" Duarte, Tyler "FeLo" Johnson, Jared "Nagafen" Harrell, and Jeremy "StuDyy" Astacio.

[63] On January 14, 2019, Complexity partnered with Panini America to produce original content, on-site activations, and trading cards.

Part of the sponsorship includes the naming rights to the Miller Lite Player Lounge inside the GameStop Performance Center.