The Long Bridge
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One of you runs. The other is the hands.

Download free on itch.io

Free for Windows. One or two players.

A bridge, a lamplighter and a mask

A lamplighter has to cross a long stone bridge at night. Over the far end hangs a carved stone mask, and it would rather he never arrived.

It throws masonry in his way and walls the bridge shut. Two giant hands are on his side: they catch what the mask throws, hurl it back, and turn the whole bridge when there is no way through.

Two players, one bridge

Each of you sees dangers the other cannot. Say them out loud.

The Runner

He runs on his own. You sidestep the falling blocks, jump the low ones and slide under the high ones.

  • ADMove
  • SpaceJump
  • CtrlSlide

The Hands

One hand on each mouse button. Catch a block, throw it back at the mask, and turn the bridge when the mask seals it.

  • Left clickRight clickHands
  • QETurn the bridge

How you play it

Story
Three stages, each faster than the last. About two minutes, if nothing goes wrong.
Endless
The same bridge with no far end. One fall ends the run.
Alone
One person plays both: the runner on the keyboard, the hands on the mouse.
Together
One of you hosts and shares a five-letter room code. No accounts.
  • The lamplighter standing on the wet stone bridge between two rows of gas lamps, the mask hanging over the far end.
  • The view of the Hands: the bridge from high above, a gloved hand on each side and the mask ahead with its eyes lit.
  • The bridge curving between clock towers, the mask above it with its eyes narrowed.
  • The lamplighter running towards a line of fire across the deck.

Director's Cut

The jam's theme was Director's Cut: build the idea you shelved. Ours was a game for two where one player is in the world and the other one is the world. It never fitted anywhere, so it got four days.

A director's cut is also what you leave out.

Left on the floor

  • A theatre, with curtains between acts and “Cut!” at every fall.Gone the first night. A fall is a fade through fog.
  • A bridge that tilted, with the runner sliding downhill.He sidesteps on his own feet. The bridge only turns.
  • A stone face carved into the cathedral door.It came off the wall. Now it is a mask, and it flies.
  • Joining a friend by typing an IP address.A five-letter room code.

How it was made

A small team directed; AI agents did most of the typing. The numbers come from our own logs and the repository.

Days12 to 15 November 2026
4
Messages we wrote to the agents
54
Agent sessionsand 68 sub-agents they launched
12
Actions the agents tookcommands run, files read and edited
13,333
Tokens98% of them context read back from cache; 15.4 million written
4.02 billion
Those tokens at API list pricewhat the same work would cost through the API
$1,783
Meshy credits19 models, and the concept images behind them
663
Commits
101
Lines of game codeC++, plus 29,863 lines of Python tools
66,586
Soundsevery one synthesised from a recipe
70

Agent figures come from the Claude Code logs of one of our PCs, counted up to 14 November.

How we directed the agents

  • One Claude session coordinates. It gives each task to a session of its own and merges only what passes the tests.
  • Design decisions come back to us as short questionnaires, the recommended option first.
  • Every change is a numbered entry in a history file: what was asked, what was done, what was thrown away.
  • A skill walks each level where the player walks and photographs what is out of place.

The mask is waiting

At the far end of the bridge. Bring a friend, or both hands.

Download free on itch.io

Windows 10 or 11. Unzip and run: nothing else to install.