Chemistry: tap any 💡 invention in the book to see it big, hear its name, or give it a new name (not just the newest one). Tapping a book tile no longer closes the book
Typing game: a 🔊/🔇 button turns off all the sounds and the talking. It's remembered, and it can be tapped on the start sign before the first letter is said Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Typing game: the space bar and arrows no longer scroll the wall away, Tab then Enter can't restart a level or leave the page, and picking a level just after clearing a wall no longer brings broken blocks back Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Spec addendum: what the second review found and what was done. One build, one answer (the law changed: PRESS only adds, a hole lets the same through whatever is outside it, the top of the water is a link like any other), what it costs, every sweep run again, and what is left (#30)
Spec addendum: pushes that count (one rule for the catch and for wheels that turn either way), drawing a block two packs know, and every sweep run again (#14, #15)
Spec addendum: what the second review found and what was done: loose blocks pay for water, fluid runs through a pulley hook, tied ropes, and part-wound rope that goes with its load (#21)
Falling water is drawn as a stream as wide as there is water, never as a full cell: a trickle looks like a trickle, and moving water is never drawn as more water than there is (#20)
A water wheel with water falling straight through keeps turning one way when the motor on its shaft is fed by a generator on a second shaft: any motor with a generator's current in it only slows a turning wheel (#18)
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