
Night shift on a working harbour. A 300-metre container ship is coming in with no rudder authority left, and you have sixty tonnes of bollard pull, two azimuth thrusters and a line to her port quarter. A real ship-handling simulation: MMG hydrodynamics, an emergent pivot point, an elastic towline that can part, and a tug that can be girted. Twelve jobs across a wet night, graded on the speed you touch the fenders.

Grow a memory forest of 10,000 Japanese words through native definitions, readings, adaptive review, and an interactive word atlas.

A colourful A-to-Z learning game for kids ages 3–7. Every letter has a cute cartoon animal or object friend — tap through all 26 with spoken words, cheerful sounds and confetti, then play Quiz Time to find the first letter of a word. Tracks "friends met" so little learners can see their progress and earn a medal.

مِسبار — مولّد اختبارات عربي يضم سبعة مواضيع (معلومات عامة، علوم، تاريخ، جغرافيا، تقنية، أدب، رياضة) مع مؤقّت اختياري وتتبّع أفضل النتائج. بعد كل جولة تُرسم بطاقة نتيجة أنيقة على الـ Canvas بلون الموضوع وشارة تقدير، جاهزة للمشاركة أو التنزيل بلمسة واحدة.

Build a quiz from 100+ hand-authored questions across eight subjects, then play timed rounds and get your result stamped onto a collectible admission-ticket scorecard. Download the PNG, copy it, or send a challenge link that packs your whole result into the URL so friends can try to beat it. No build step, no accounts, works in portrait and landscape.

Trivium is a quiz generator: pick a subject (or write your own pack), and it deals you a fresh, shuffled hand of questions. When you finish you get a risograph-print-style scorecard — save it as an image, share it, or copy a link that opens your card for a friend.