Tetris
The puzzle benchmark. Stacking fundamentals, T-spins and finesse, versus strategy and garbage management, and modern guideline mechanics.
August 2026
8 posts
TETR.IO Ranks Explained: TR, Percentiles and Cutoffs
A Tetra League letter is not a skill score, it is a slice of the leaderboard — and TETR.IO publishes exactly how big each slice is, what TR it currently costs, and how fast the people inside it play.
Tetris All-Spin Explained: S, Z, L, J and I Spins
A Z piece rotated into a slot nothing else reaches is either a scored spin or an ordinary Double, and which one it is has nothing to do with you. It is a setting, and most Tetris games have it switched off.
Which Tetris Should You Play? TETR.IO to Tetris Effect
There are at least seven current, maintained ways to play Tetris, and they are not interchangeable — two are free in a browser, one costs $39.99 and works in VR, and one is an arcade grading ladder that came back after twenty years. Here is which one to actually install.
TETR.IO Quick Play Explained: The Zenith Tower, Climb Speed, and HYPERSPEED
Quick Play looks like a battle royale and scores like a speedrun. There is no round to win and nobody to outlast — only altitude, and altitude is bought mostly with the lines you send at other people.
The Tetris Effect Zone Guide: Ultimatris, the Attack Table, and When to Press It
Zone is sold as a get-out-of-jail button, and used as one it pays a fraction of what it could. The published Zone Bonus Attack table says the same lines can be worth 40 garbage rows or 80, depending only on when you pressed it.
Tetris Openers: TKI-3, DT Cannon and Albatross
Your first seven pieces decide which opener is even legal. Memorising one build and forcing it every game is why your opening dies half the time. Here is the actual decision tree, from the I-piece TKI family down to the SZT bags nobody wants.
Tetris The Grand Master Explained: 20G, the Grade Ladder, and the Invisible Roll
Most Tetris games ask you to survive. Arika's ask you to justify yourself. Here is how the TGM series actually grades a run — the piece-counted level, the 20G cliff at level 500, TAP's decaying grade points, and the promotion exam standing between Ti players and Grand Master.
Tetris Randomizers Explained: 7-Bag, TGM History Rolls, and Why NES Owed You Nothing
Every version of Tetris answers the same question differently: what comes next? The answer ranges from a shuffled bag with hard mathematical guarantees to a single polite reroll that owes you nothing, and knowing which one you are playing against changes how you stack.
July 2026
10 posts
Tetris Gravity and Lock Delay Explained: The Speed Curve, the 15-Move Limit, and 20G
Every modern Tetris game runs on three clocks you never see: gravity, lock delay, and entry delay. All three are published numbers, and they explain exactly why level 15 feels like a different game than level 5.
Tetris 99 Strategy Guide: Badges, Targeting, and Winning the 99
Tetris 99 is not a speed contest with 98 strangers. It is an economy — badges are the currency, targeting is the market, and the players who win are the ones who understand both while everyone else just stacks. Here is how the mode actually works.
Tetris Wall Kicks Explained: SRS Kick Tables, ARS, and NES
Your I piece did not glitch. It jumped two columns left because test 2 of its kick table says to, and the game ran that test before it ran the one you wanted. Here is what every modern Tetris is actually checking when you press rotate.
NES Tetris DAS, Hypertapping and Rolling: How the Kill Screen Died
NES Tetris moves your piece sideways ten times a second. At level 29 a piece falls the whole well in twenty frames. That gap is why hypertapping and rolling exist, and why the kill screen is not a kill screen anymore.
The Tetris Perfect Clear Guide: PCO Openers and Setups
The Perfect Clear Opener wipes your board in ten pieces and dumps 7 garbage rows on your opponent before they have a well. It succeeds nearly two thirds of the time blind, and 84.64% if you hold the I. Here is how it is built.
Tetris Scoring and Attack Explained: Points, B2B, Combos, and Garbage
Points and garbage are two completely different economies, and most players optimise for the wrong one. Here are the actual numbers behind Guideline scoring, versus attack, back-to-back, combos, and perfect clears.
Tetris 40-Line Sprint: How to Actually Get Faster
You finished a clean run and the clock still said 48 seconds. The gap between you and a sub-30 sprint is not talent — it is two measurable numbers, and both of them are trainable. Here is exactly what to work on.
Tetris Stacking Fundamentals: Build a Board That Wins
Most players do not lose to speed. They lose to a board they built themselves three minutes earlier. Here is how stacking actually works in modern Guideline Tetris, and the habits that stop you from burying your own well.
The Tetris T-Spin Guide: Detection, Setups, and Damage
A T-spin double sends the same 4 garbage rows as a Tetris while using half the rows. That is the whole argument. Here is how the game decides what counts, and the setups that let you do it on purpose.
Tetris Finesse: Place Every Piece in Two Keypresses
Under SRS, every placement on the board is reachable in two keypresses before the drop. If you are spending five, you are not slow because of your hands — you are slow because of your habits.