New Daily Puzzle

One line.
Every cell.

Draw a continuous path through the grid, connect numbered waypoints in order, and fill every cell. One fresh puzzle every day. Compete with friends. Build your streak.

Icos puzzle gameplay showing a snake path through the grid
Icos celebration screen with confetti

Simple to learn. Satisfying to master.

Every day brings a new grid puzzle. The rules are simple, but finding the path takes real thought.

1

Start at Waypoint 1

Tap the first waypoint and begin drawing your path through the grid. Swipe or tap adjacent cells to extend it.

2
🔌

Connect in Order

Visit each numbered waypoint in sequence. Plan ahead — you need to fill every cell while hitting every checkpoint.

3
🏆

Fill Every Cell

Complete the grid with no empty cells left. Beat the par time, share your result, and climb the leaderboard.

Built for puzzle lovers.

Everything you need for your daily brain workout, nothing you don't.

📅

One Puzzle Per Day

Same puzzle for everyone, worldwide. Monday is easy, Sunday is hard. Build anticipation for each new challenge.

🔥

Daily Streaks

Keep your streak alive with daily solves. Use streak freezes when life gets in the way. Track your longest run.

👥

Groups & Leaderboards

Create groups with friends and family. Compare solve times on daily and weekly leaderboards. Who's the fastest?

💡

Hints When You Need Them

Stuck? Use a hint to reveal the next waypoint. Three hints per puzzle, use them wisely.

🎨

Dark Immersive Theme

A premium dark gaming aesthetic with glowing paths, ambient particles, and satisfying animations. Looks stunning at night.

📶

Works Offline

Puzzles are pre-cached so you can play anywhere. No wifi? No problem. Your results sync when you're back online.

See it in action.

From the first tap to the celebration screen, every moment is crafted.

Home screen with today's puzzle card and Play button
Today's Puzzle
Puzzle grid with numbered waypoints ready to solve
Start the puzzle
Snake path being drawn through the grid with neon glow
One line. Every cell.
Celebration screen with confetti and score
Crushed it!

Ready to play?

Download Icos and start your streak today. Free to play, no ads.