GSU · Spellification + Readification · Interactive Lab

The Phoneme Forge

Sound becomes spelling. Spelling becomes sound. Forge the link both ways — and the reading code unlocks forever. Four modes, 40 phonemes, the same mouth canvas engine as The Mouth Lab, free, no login.

40 Phonemes4 Game ModesBidirectionalZero Login

Four Modes. One Mission.

Mode 1
Decode

See the mouth animate — read the phoneme, learn every grapheme that spells it. The /k/ sound alone has five: c, k, ck, ch, qu.

Mode 2
Encode

Watch the mouth form a sound — pick the correct letters. This is orthographic mapping: the brain process behind all fluent spelling.

Mode 3
Speed Drill

Five seconds per question. Alternates both directions. Forces true automaticity — the goal of all phonics instruction.

Mode 4
Error Hunt

A word with a wrong grapheme highlighted. Find the correct spelling. Targets real confusion pairs: p/b, f/v, s/z, sh/s, l/r, m/n.

GENO
Ask GENO
Go deeper on any sound

“What are all the ways to spell the /k/ sound?” · “Why does ‘phone’ use ph instead of f?” · “What’s the difference between sh and ch?” GENO knows this entire lab and every book behind it. 32 languages, 24/7, free.

The Science Behind the Forge

Orthographic mapping is the cognitive process by which the brain permanently stores words for instant retrieval. It requires phonemic awareness, grapheme-phoneme correspondence, and orthographic memory — working simultaneously, in both directions. The Phoneme Forge drills all three, which is exactly what Orton-Gillingham and Structured Literacy research prescribes as the foundation of reading and spelling instruction.

Continue the Forge