Play co-op from two different computers

Before you open a room

Each player needs a browser that can run the game, a working internet connection, and keyboard or touch controls. You do not need to share a Wi-Fi network. The game is designed for two roles; there is no public matchmaking or third-player slot.

Keep a voice call open in an app you already use if you want to talk. Voice chat is not built into the game. Short calls such as ‘hold that plate’ and ‘I am across’ help when a bridge depends on the other player staying put.

Create one room and send its invitation

1. Open Past & Present and choose Play online. Wait for the private-room dialog to show that the invitation is ready.
2. Use Share invite when your browser offers it, or Copy friend link and paste the link into your conversation.
3. Your friend opens that exact link in their own browser. They join as Echo; they should not create a second room.
4. Once the second player connects, the invitation dialog closes and a short countdown starts the game.

A game link and an invitation do different things

The public game page lets anyone start playing. A private invitation points to your current session. Sending the plain game address does not put your friend into your room.

The two-tab option in the menu is a same-device test. Use Play online for separate computers. A test-tab link cannot connect a friend on another machine.

Stay together between rooms

Both characters must reach the exit. In an online session Present chooses Continue, and Echo follows into the next room using the same session. You do not need a fresh invitation after every level.

An invitation is temporary, not a permanent saved world. If the room has ended, create a new online room and send its new invitation. If you only lose connection briefly, let the reconnect dialog try to recover before leaving.