CTWC (Short for Classic Tetris World Championship) is the biggest Classic Tetris tournament in the world. So far, this event was already held 15 times. The first one was in 2010 which was held in Los Angeles, California. from 2012 until 2023, the CTWC was held at the Portland Retro Gaming Expo in Portland, Oregon, with the exception of 2020 and 2021, which were held online. In 2024, the CTWC was held in Pasadena, California at the SoCal Retro Gaming Expo.
List of CTWC Winners
| Year | Winner | 2nd Place | 3rd Place | 4th Place |
|---|---|---|---|---|
| 2010 | Jonas Neubauer | Harry Hong | Matt Buco | Dana Wilcox |
| 2011 | Jonas Neubauer | Alex Kerr | Harry Hong | Robin Mihara |
| 2012 | Jonas Neubauer | Mike Winzinek | Eli Markstrom | Alex Kerr |
| 2013 | Jonas Neubauer | Harry Hong | Chad Muse | Matt Buco |
| 2014 | Harry Hong | Jonas Neubauer | Terry Purcell | Eli Markstrom |
| 2015 | Jonas Neubauer | Quaid | Alex Kerr | Harry Hong |
| 2016 | Jonas Neubauer | Jeff Moore | Harry Hong | Koryan |
| 2017 | Jonas Neubauer | Alex Kerr | Hauser (Quaid) | Matt Buco |
| 2018 | Joseph Saelee | Jonas Neubauer | Green Tea | Koryan |
| 2019 | Joseph Saelee | Koryan | Batfoy | DanQZ |
| 2020 | Dog | Pixelandy | Jacob Huff | Nenu |
| 2021 | Dog | Jacob Huff | Joseph Saelee | Pixelandy |
| 2022 | EricICX | Fractal | Pixelandy | Dog |
| 2023 | Fractal | Sidnev | Blue Scuti | Dog |
| 2024 | Alex Thach | Dog | Tristop | TheDengler |
| Winner | # of wins | Years won |
|---|---|---|
| Jonas Neubauer | 7 | 2010-2013
2015-2017 |
| Joseph Saelee | 2 | 2018 & 2019 |
| Dog | 2 | 2020 & 2021 |