This year the CTWC was full of upsets, surprises, and intense Tetris action.
Even if you can't make it out to Portland, you can still check out all the CTWC action online.
Jonas Neubauer has made waves within the Tetris community thanks to his many victories in the Classic Tetris World Championship.
Halloween can be full of frights, but these 5 haunting Tetris match experiences are year-round scares.
A look at how you can challenge the best of the best at this year's CTWC!