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D-CSIL

A D-CSIL Game for iPhone and iPad

Every Letter Has to Come From Somewhere.

BORROW is a daily word puzzle. Four words sit on the board, each under a clue it doesn’t match yet. Move one letter at a time from word to word — every word must stay a real word — until every clue is solved.

Move a letter. Keep it a word.

Coming soon to the App Store · iPhone and iPad

A BORROW puzzle on iPhone: four words under their clues

How to Play

One rule. Endless detours.

01

Move One Letter

Pick up a letter from one word and drop it into another. Each move carries exactly one letter across.

02

Keep Every Word Real

Both words must still be real words after the move. Nothing is invented and nothing is thrown away.

03

Match Every Clue

Borrow letters back and forth until each word fits the clue above it. Every puzzle has a proven fewest-moves solution.

Read the complete guide →

An Example

Seven moves, if you spot the detours.

The letters on the board are exactly the letters of the answers. SHORES gives its S away and gains an A; an S has to be parked in PLAY and another in ITS before SPLIT can come together.

BORROW’s own solver proves every puzzle before it ships, so “perfect” is a real number, and after each move the game tells you whether you’re on the right track.

  • On the beach

  • Speak

  • Sudden fancy

  • Divide

Three Ways to Play

The Daily Puzzle

One puzzle a day for everyone, gentle on Mondays and fierce on Saturdays, with streaks and a spoiler-free share card. Five years of dailies are already scheduled.

The Journey

600 levels that open one at a time in six chapters, from three-word warm-ups to expert boards. Earn up to three stars on each.

Practice

More than a thousand extra puzzles by difficulty or theme — or ask for what you want in plain English, and Build Fresh makes a new one on the spot.

Gameplay

Calm to look at. Hard to put down.

A BORROW puzzle: four words, each under a clue it doesn't match yet
The board
After a move, the header says the player is on the right track
Right-track feedback
Puzzle Complete with every word solved, moves, hints and time
Solved
The Journey level map with chapters and stars
The Journey
A Gentle Nudge hint sheet pointing at one clue
A gentle nudge
Practice: difficulties, themes and a plain-English request
Practice

Competition

Built for Game Center

Rank on today’s puzzle, challenge a friend to beat your time on the same board, and earn 13 achievements from First Borrow to Summit. Game Center is optional and free — the whole game works without it.

Private by Design

No ads. No account. No tracking.

BORROW works offline and keeps your games on your device. Apple Intelligence, where available, phrases hints on device and never decides the rules.