We publish our audit record because accuracy claims should be checkable. Every entry on this site runs through an automated fact-audit pipeline (accuracy audit → source-grounded repair → visual QA); this page is generated from that pipeline's own report, not written by hand.
Last full accuracy audit: 2026-09-09 · 108 entries checked · 65 flagged · 141 issues confirmed · 0 corrected · 141 still open
Tetris World Championship — The first Tetris World Championship was not held in 1990 in Tokyo, Japan; the first Classic Tetris World Championship was held in 2010 in Los Angeles, California, USA.
Tetris World Championship — The first champion was not Nobuo Nakamura; the first CTWC champion in 2010 was Jonas Neubauer.
TETRA League — The TETRA League is not a widely recognized official canon entity alongside the Tetris World Championship; there is no established 'TETRA League' in official Tetris competitive history.
TETRA League — Soft-drop standardization is not a notable historical event in Tetris competitive canon; soft-drop mechanics have been consistent across official Tetris games and not a specific introduction that reshaped the meta.
Tetris: The Grand Master — The game 'Tetris: The Grand Master' described here does not exist in real Tetris history. The actual 'Tetris: The Grand Master' series is an arcade-only series developed by Arika, starting in 1998, with no official releases on PlayStation 4 or Nintendo Switch,
Tetris: The Grand Master — The developer 'Headlock' and publisher 'Xseed Games' are incorrect for any real Tetris: The Grand Master title. The real series was developed by Arika and published by Capcom (for arcade) or Arika themselves.
Tetris Effect — Tetris Effect was released in 2018, not 2019
Tetris Effect — Tetris Effect was developed by Monstars Inc. and Resonair, not Qubic (Qubic is the publisher)
Speedrun records — The Tetris Company's Tetris World Championship does not recognize speedrun (40-line sprint) as a core competitive format alongside marathon and battle; it primarily focuses on NES Tetris marathon high-score play.
Speedrun records — The governing body for speedrun records is not the Tetris Company; records are primarily governed by community-driven platforms like Speedrun.com or Twin Galaxies, not directly by the Tetris Company.
Back-to-back combos — The entry states that the B2B multiplier is 'commonly 1.5× on the base score of each qualifying clear.' In the official Tetris Guideline (and most modern titles like Tetris Effect and Tetris 99), the B2B bonus adds a flat 300 points to the base score of a T-sp
Back-to-back combos — The entry lists 'All or Nothing' as a competitive format where B2B is a primary differentiator. 'All or Nothing' is not a standard competitive format in official Tetris tournaments (e.g., Classic Tetris World Championship or Tetris Effect World Championship);
Henk Rogers — The entry says Henk Rogers graduated from Stuyvesant High School in 1972, but he actually graduated in 1971.
Henk Rogers — The entry claims he met his future wife Akemi while studying at the university, but he met her in Japan after moving there.
Nintendo — The claim that Nintendo's game consoles have sold over 860 million units worldwide as of May 2025 is unverifiable and likely incorrect; official data through March 2024 shows around 850 million, and the projection to May 2025 is speculative.
Nintendo — The statement that Nintendo has sold more than 5.9 billion individual games as of May 2025 is unverifiable and likely inaccurate; official data through March 2024 reports approximately 5.6 billion software units sold.
All content is fetchable as JSON at /data/content/ · llms.txt · sitemap
Spotted an error? Suggest an edit — reader reports go straight into the audit queue.