Initializing, please wait a moment

Thirteen Hours is a free browser clock-chain puzzle. Tap the active clock so its hand shoots into the next clock before time runs out. Clear all clocks on a level, earn stars, and open more packs. About ~30 KB, no install, no account.

Want canvas table tennis instead? Try Classic Pong.

THIRTEEN HOURS

Tap clocks in a chain before the timer ends. Progress mode has 60 levels; infinite mode keeps spawning clocks. Adapted from Jorge Rubiano's js13k 2024 entry (MIT). About ~30 KB.

Click or tap the active clock. Progress saves stars on this device under ftol:thirteenhours.

Press Play to load the game.
Stars and theme color save on this device only.

Welcome to Thirteen Hours - a free browser clock-chain puzzle you can play without an account or install. Press Play to load the ~30 KB game in a same-origin iframe. Choose Progress for 60 levels or Infinite for endless score runs. Privacy note: progress and theme color stay on this device under ftol:thirteenhours; nothing else leaves this device except the initial page and game files from this site. For more free browser games, open the games hub.

See all Back to Games →

Related tools:

  • Snake Classic - Snake Classic - Press an arrow key (or swipe on a phone) and the game starts instantly - eat the
  • Retro Tank Battle - Retro Tank Battle - Drive your tank with the arrows or WASD, fire with Space, and clear the wave of
  • Garden Defense - Garden Defense - Pick a defender card - Shooter (100 energy), Battery (50, makes more energy), or
  • Voxel World Builder - Voxel World Builder - a free browser voxel sandbox: infinite terrain, six biomes, caves and ores,
  • Sky Gates Flight - Sky Gates Flight - Fly a little plane over the ocean and steer through the gates - green ones add
  • City Time Machine 3D - City Time Machine 3D - Drag the 1945-2055 timeline and watch one city block's buildings, vehicles,
  • 2048 Game - Merge the Numbers Puzzle - 2048 Game - Merge the Numbers Puzzle - Slide the numbered tiles with the arrow keys, WASD, or a
  • City Drive Open World 3D - City Drive Open World 3D - a free open-world driving game in the browser: a seeded neon night city
  • Retro Highway Racer - Retro Highway Racer - a free lo-fi driving game in the browser: steer a randomly generated highway,
  • Hover Racing - Hover Racing - a free anti-gravity racing game in the browser: pilot a hover ship down a neon 3D
  • Retro Arcade Shooter - Retro Arcade Shooter - a free lo-fi browser shooter: blast robot spiders through a dark server
  • Marble Maze - Marble Maze - a free 3D maze puzzle in the browser: roll a ball through a procedurally-generated

Tags: #games

Loading reviews...

Frequently Asked Questions

What is Thirteen Hours?

A free browser clock-chain puzzle: tap the active clock so its hand hits the next clock and clear the board before the timer ends.

How do I play?

After Play loads the lobby, choose Progress (60 levels) or Infinite. Tap or click the highlighted clock to fire its hand into the next target.

What are stars for?

Clearing a level with time left awards a star. Later level packs ask for more stars before they open.

Is progress saved?

Yes. Cleared levels and theme color save on this device under the ftol:thirteenhours key. Nothing is uploaded.

How big is the download?

About ~30 KB of HTML, CSS, and JavaScript after you press Play.

Does it work on a phone?

Yes. The layout is built for a tall phone frame and accepts tap input.

Is this open source?

Yes. Adapted from Jorge Rubiano's js13kGames 2024 entry under the MIT license. This site build adds noindex, namespaces localStorage to ftol:thirteenhours, strips the service worker, and ships LICENSE plus CREDITS.