Spell Runner
Word walls roll toward Hop the bunny. Each one hides a missing letter. Tap the right one to smash it — pick wrong and hop the spikes!
Play Spell Runner — FreeFree · No sign-up · Ages 5+ · No ads · Spoken words · 3 worlds
Play with a grade list
Spell Runner plays the words from our grade and sight-word lists, free and with no sign-up.
How Spell Runner Works
Smash the word wall
A wall of blocks rolls down the road toward Hop. Tap the right missing letter and it smashes to pieces — quick answers score more. No steering: all attention goes to spelling.
Hear the word
When a wall appears, the word is spoken, then what it means. S_N is ambiguous — is it SUN or SIN? Hearing it removes the guesswork, and both clips can be replayed.
Five hearts, visible feedback
A wrong letter crumbles the wall into spikes and the word card shows the right letter in green. Hop over the spikes in time and you keep your heart — one mistake never costs two.
Levels and gentle speed
Spell 5 words to reach Level 2. Speed rises gently with each level and is capped, and words with more missing letters get more time — higher levels mean harder words, never an unreadable blur.
Points, stars and a best score
Every smashed wall scores, with bonuses for speed and streaks. Smashed walls leave stars to hop for. The results screen lists the words to practise and your best score for each mode.
Made for phones
The road runs away from you into the screen, so a tall phone gives a long road with time to think. Big letter buttons and a jump button sit under your thumbs; it also plays with a keyboard.
Four dialect variants
US, UK, Australian, and Canadian English. Logged-in children see words matching their dialect setting — colour vs. color, centre vs. center.
Three Visual Themes
Pick a world before you run. A child who chose Space is more invested than a child who was assigned a theme.
Jungle Run
A sandy path between palm trees, bushes and flowers, under a sunny sky
Space Sprint
A glowing road past crystals and blinking beacons, under a ringed planet
City Dash
A sunset street with lamp posts, trees and skyscrapers
The Learning Science Behind It
Spell Runner was designed around how orthographic automaticity actually develops — not how spelling tests are typically run.
Orthographic automaticity under time pressure
The goal of spelling instruction isn't memorisation — it's automaticity: the ability to retrieve a spelling instantly without conscious effort. Time pressure from an approaching word wall forces exactly that kind of fast, pattern-based retrieval.
Hardest letter targeting
The missing letter is always the one most likely to cause difficulty — vowels in consonant clusters, commonly confused pairs. The game tests the actual hard part of each word rather than random positions.
Confusable letter distractors
The three letter choices aren't random. They're letters visually or phonetically close to the correct answer: B/P, D/T, M/N, vowel groups. Guessing randomly won't work — the child must apply genuine orthographic knowledge.
Error-visible feedback
When a wrong letter is tapped, the wall doesn't vanish — it crumbles into spikes and the word card shows the correct letter in green beside the wrong one. The child sees both the mistake and the answer at the moment their attention is highest.
Reward you can see
A correct answer isn't just a sound effect — the wall bursts apart, Hop spins round to grin at you, and stars fly up to collect. Immediate, visible success after every correct retrieval is what keeps young spellers in the loop.
Frequently Asked Questions
Is Spell Runner free to play?
Yes. Spell Runner is free with no account needed. A guest plays 15 words in a run, from the standard word database or one of our grade lists. Registered free users get the curated spelling-bee word set. Premium users with an assigned word list practice their own words.
What age is Spell Runner for?
All ages. Difficulty scales from Level 1 (simple, high-frequency words, slow speed) to Level 10+ (complex multi-syllabic words, faster speed). A 5-year-old and a 12-year-old are both appropriately challenged — they just reach different levels.
Can I play Spell Runner on a phone?
Yes. The game fills the screen in any orientation. You look down the road from behind Hop, so a tall phone screen gives a long road with plenty of time to read, and the word card and big letter buttons sit right under your thumbs.
How does the missing letter get chosen?
Algorithmically — it targets the hardest letter in each word, typically a vowel surrounded by consonants or a commonly confused consonant pair (D/T, B/P, G/K). The game tests the specific letter most likely to cause difficulty, not random positions.
What are the three themes?
Jungle Run (a sandy path between palm trees), Space Sprint (a glowing road past crystals under a ringed planet), and City Dash (a sunset street with lamp posts and skyscrapers). Random picks a world for you each run.
Does the game keep speeding up forever?
No. Speed increases gently with each level and is capped, and longer words with two or three missing letters get extra time. Higher levels challenge you with harder words, not an unreadable blur. Relaxed mode gives every word more time and never costs a heart for being slow.
Does the game support British or Australian spelling?
Yes. Logged-in children inherit the dialect set on their profile (US, UK, Australian, or Canadian). The word selection and audio pronunciation both match the chosen dialect.
How is personal best tracked?
By points: each smashed wall scores, with bonuses for quick answers and streaks, plus stars grabbed and spikes jumped. Your best score for each mode is saved on your device.
More spelling games for ages 5+
If Spell Runner is a hit, these three suit the same ages. All free, all in the browser.
How Far Can You Run?
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