Play now
Sentence Surgeon
Build words from roots and endings, then slot them into a sentence. Colour teaches the grammar — no rules to memorise. 180+ puzzles across seven tiers.
Open Sentence Surgeon
Play now
Cast
Grow the longest word you can — add prefixes and endings in any order that still spells something real. 1,600+ words, up to five affixes deep.
Open Cast
Coming soon
The Waking
A narrative built entirely from Sentence Surgeon puzzles. A girl, a rat, and the dark itself, one sentence at a time. Learn grammar by living a story.
Coming soon