|Community Effort Orlando Series|
|winners|| Armada (2014)|
|winners|| ZeRo (2015, 2017)|
|Most successful player(s)||ZeRo (Project M 2014, Smash 4 2015, and Smash 4 2017)|
The Community Effort Orlando Series, or simply CEO, is a fighting game tournament series held annually in Orlando, Florida. The tournament, first held in 2010 as a side event is organized and directed by Alex Jebailey. CEO is widely recognized as one of the premier events for fighting games. Many different Smash Bros. games, such as Melee, Brawl, Project M, and Smash 4, have been hosted at CEO since its beginning.
Melee Winners 
|2010||CEO 2010*||Juan Debiedma||Hungrybox||Colbol|
|2011||CEO 2011*||Juan Debiedma||Hungrybox||Linguini|
|2014||CEO 2014||Adam Lindgren||Armada||Mango|
|2015||CEO 2015||William Hjelte||Leffen||Armada|
|2016||CEO 2016||Juan Debiedma||Hungrybox||Mew2King|
|2017||CEO 2017||Juan Debiedma||Hungrybox||Plup|
* Melee was a side event in 2010 and 2011.
Project M Winners
|2014||CEO 2014||Gonzalo Barrios||ZeRo||Wizzrobe|
|2015||CEO 2015*||Forrest Griffin||MrLz||Jfyst|
* Project M was a side event in 2015.
Smash 4 Winners 
|2015||CEO 2015||Gonzalo Barrios||ZeRo||Nairo|
|2016||CEO 2016||Jason Bates||ANTi||Zinoto|
|2017||CEO 2017||Gonzalo Barrios||ZeRo||MKLeo|
Brawl Winners (side event) 
|2010||CEO 2010*||Akilade Akiwumi||RedHalberd||HRNUT|
|2011||CEO 2011||Akilade Akiwumi||RedHalberd||Xaltis|
* The top 4 players decided to split.
- ESAM notably won Divekick at CEO 2014, having won a belt which is not for Smash Bros.
|Main series||2010 · 2011 · 2014 · 2015 · 2016 · 2017 · 2018|
|Other events||CEO Winterfest 2014 · CEO 2014 Prologue · Smash the Record · CEO Prologue 2016 · CEO Dreamland|