The concept is simple: morph one word into another by changing one letter at a time. For example: CAT -> COT -> DOT -> DOG But many puzzles are not so simple! Worph will repeatedly challenge your repertoire of English vocabulary. How many puzzles can you solve? Can you solve them perfectly? Worph has: + A clean interface and a simple design + 15 puzzle packs + More than 100 free puzzles + Soothing music and sound effects Worph does not have: - Time limits - too stressful! - Ads - too annoying!