Playing TETERI

What this particular game does: its modes, its controls, how it runs offline, and why it asks nothing of you before you can play.

14 articles

• Why Play TETERIFree, instant, offline-capable, and it asks nothing of you before you can start. A straight account of what it offers.
• The Four Game ModesMarathon, versus CPU, split-screen and online duels, and what each is actually for.
• Every Control in TETERIThe complete list for keyboard, touch and gamepad, including the ones that are not obvious.
• Playing on a PhoneTwo layouts, two control schemes, and the specific problems that had to be solved to make touch work properly.
• Playing Offline and Installing ItA service worker caches the whole game, so it runs with no connection and can be added to your home screen.
• How Online Duels WorkA room code, a direct browser-to-browser connection, and no account at either end.
• The CPU Opponent and Its Three DifficultiesHow the computer player decides where to put things, and what actually changes between rookie and nightmare.
• Every Setting and What It DoesVolumes, ghost piece, screen shake, scanlines and touch controls, plus which ones are worth changing.
• Accessibility in TETERIKeyboard navigation, screen reader announcements, reduced motion, and the honest limits of a canvas game.
• It Is Open Source, and What That Means HereMIT licensed, no dependencies at all, and a test suite you can run yourself.
• No Account, No Tracking, No CookiesWhat the game stores, what it does not, and why that is a deliberate position rather than an oversight.
• Reading Your Score and What Drives ItWhere the points actually come from in a real run, and which habits move the number most.
• The Look of the Game, and Why It Stays ReadableNeon and particle effects are only acceptable if the board stays legible underneath them.
• A Browser Game Versus an Installed OneThe honest trade-offs of playing in a tab rather than downloading something.