The end is only
the beginning...

On November 28th and 29th, Tokyo will host the 2025 Square One Tetris Championship, bringing the world’s best players together for an epic showdown of skill and speed. Join us for the ultimate clash of Tetris legends, streamed live for fans worldwide. Experience the excitement as Puzzle Kingdom crowns this year’s champion in the heart of Japan!

ABOUT

What is Square One?

Square One is the premier global Tetris championship, uniting top players from around the world to compete in intense, high-stakes matches. Hosted by Puzzle Kingdom at the iconic e-Hangout center in Tokyo, this tournament showcases unparalleled skill, speed, and strategy as competitors battle for the title of Tetris champion. Known for its thrilling gameplay and passionate community, Square One is where the best stack up!

BRACKETS

Games that test every skill!!!

TETRIS EFFECT: CONNECTED - SCORE ATTACK

In Tetris Effect: Connected – Score Attack, players compete to reach transcendence through precision, rhythm, and focus. With every perfectly timed Tetris, the world around them pulses in sync with their performance. At the Square One Tetris Championship, Score Attack transforms pure gameplay into art—a hypnotic battle of optimization, vision, and flow.

TETRIS THE GRANDMASTER 4

Tetris The Grand Master 4 embodies the pinnacle of technical skill at the Square One Tetris Championship. Known for its blistering speed and unforgiving precision, it challenges players to achieve perfection under relentless pressure. Every placement counts, and only the most disciplined minds can climb to the rank of Grand Master in this legendary test of endurance and control.

TETRIS EFFECT: CONNECTED ZONE BATTLE

Zone Battle is the ultimate test of precision and adaptability at the Square One Tetris Championship. Competitors harness the power of the Zone to slow time, chain massive clears, and outthink their rivals in a format that rewards both lightning-fast reflexes and cool-headed strategy. Every match is a battle of nerves, focus, and pure Tetris mastery.

Puyo Puyo ™ TETRIS2®

At the Square One Tetris Championship, Puyo Puyo ™ TETRIS2® showcases the art of competitive Tetris at its finest. Players face off in intense duels that blend speed, strategy, and style—pushing their limits in a game where one brilliant move can turn the tide. It’s a celebration of both precision and creativity in the puzzle arena.

SCHEDULE

Tournament Schedule

Join us for an exciting weekend filled with Tetris competitions and engaging activities!

Day 1 - November 28th

10:00 am
Check-ins
Event check-ins begin.
12:00 pm
Score Attack Bracket Start
TE:C Score Attack Bracket Starts
4:00 pm
Tetris The Grandmaster 4 Bracket Start
TGM 4 Bracket Starts
5:00 pm
Score Attack Bracket Top 8
TE:C Score Attack Top 8 Begins.
7:00 pm
Tetris The Grandmaster 4 Top 8
TGM4  Top 8 Begins.
8:00 am
Speedrun Challenge
In-person
Online
Charlie
Arena
9:00 am
Finals Round
In-person
David
Stage
10:00 am
Closing Ceremony
In-person
Emma
Main Hall
8:00 am
Networking Session
In-person
Online
Frank
Lounge
9:00 am
Game Analysis
In-person
Grace
Room A
10:00 am
Feedback Session
In-person
Hannah
Room B

Day 2 - November 29th

10:00 am
Check-ins
Event check-ins begin.
12:00 pm
Tetris Effect Connected Zone Battle Bracket Start
Tetris Effect: Connected Bracket Starts.
5:00 pm
Puyo Puyo ™ TETRIS2® Bracket Start
Puyo Puyo ™ TETRIS2® Bracket Starts.
5:00 pm
Tetris Effect: Connected Zone Battle Top 8
Tetris Effect: Connected Top 8 Begins.
5:00 pm
Puyo Puyo ™ TETRIS2®  Top 8
Puyo Puyo ™ TETRIS2® Top 8 Begins.
8:00 am
Speedrun Challenge
In-person
Online
Charlie
Arena
9:00 am
Finals Round
In-person
David
Stage
10:00 am
Closing Ceremony
In-person
Emma
Main Hall
8:00 am
Networking Session
In-person
Online
Frank
Lounge
9:00 am
Game Analysis
In-person
Grace
Room A
10:00 am
Feedback Session
In-person
Hannah
Room B

FAQs

Find answers to your most pressing questions about the Square One Tetris Championship right here.

What is Square One Tetris Championship?

The Square One Tetris Championship, originally an invitational for Tetris Effect: Connected, has evolved into a live event held in Tokyo, Japan. With a vision to become the world’s premier Tetris championship, Square One brings together top players from around the globe in a high-stakes competition that celebrates the skill, strategy, and excitement of Tetris at its finest.

When is the event?

The Square One Tetris Championship will take place on November 28th and 29th 2025. Make sure to mark your calendars!

Where is it held?

The Square One Tetris Championship will be held at hangout eスポーツエリア24 in Tokyo, Japan. Hangout eスポーツエリア24 is a premier sports venue located at Showa Building 5F
5-24-2 Kamata, Ota-ku
Tokyo 144-0052. For more information about the venue, please visit the official website: https://esports-hangout.jp/

Can I watch online?

Yes! We will be live-streaming the championship on both Puzzle Kingdom on Twitch and Puzzle Kingdom Japan on YouTube. If you'd like to restream the event with your own commentary or have a watch party, please feel free to do so!

Still have questions?

We're here to help you with any inquiries!

SPONSORS

Partner with us!

Join us as a sponsor of Square One and connect with a passionate, global audience in the heart of competitive Tetris. By sponsoring this premier event, your brand will be showcased alongside the world’s top players and streamed to fans worldwide.

SPONSOR DECK

2025 Main Sponsor

Current and Past
Partners