Mutate one letter at a time. Climb from the bottom to the top. 50 hand-crafted puzzles across 5 tiers.
You climbed the ladder.
You see a start word and a target word at the top. Each move, change exactly one letter in your current word to form a new valid English word. Keep going until your word matches the target.
Fewer moves = more stars. Use 💡 Hint to auto-progress one step.