1–16 players · Free · No account

Play 3D Connect 4 online

3D Connect 4 lets two players drop pieces through a shared 4 × 4 × 4 rack and win by completing a straight line of four in three-dimensional space.

Public guide reviewed July 14, 2026 · Package 2.6.0-wip

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A 4 × 4 × 4 spatial Connect 4 game with optional WebXR and server-enforced gravity.

At a glance

Players: 1–2 active players per rack; tournament lobbies can hold up to 16 entrants.
Account: No account or social login is required.
Price: The current GamesFor.Me build is free to play.
Connection: Protected first-party polling on cPanel; WebSockets on supported standalone hosts.

How to start and invite players

Choose a game and open its setup page.
Confirm that you are at least 13 and choose a gamer tag or an automatic label.
Create a room or tournament lobby, then copy the generated invitation link.
Open the same link on the other players’ devices and join an available seat.

Rules

Players alternate selecting one of the 16 vertical shafts.
Each piece falls to the lowest empty level in that shaft.
The first straight line of four matching pieces in any valid 3D direction wins.
The rack is a draw when all 64 cells are occupied without a winner.

Browser and device requirements

A current browser with JavaScript, cookies, and first-party storage enabled.
A stable internet connection for protected HTTP polling on cPanel or WebSockets on supported standalone hosts.
No browser extension, download, account, or third-party sign-in is required.
WebGL is required for the 3D rack; immersive WebXR is optional.

Read the complete browser and device support guide.

Accessibility

Keyboard focus remains visible on navigation and standard controls.
Connection, turn, score, and result text is exposed outside visual game effects.
Reduced-motion preferences are respected where animation is not essential to play.
The rack provides keyboard-operable selection and textual turn, seat, and result status.
A standard-screen path remains available when WebXR is unsupported or declined.

Read the current accessibility support and verification limits.

Frequently asked questions

Does 3D Connect 4 require WebXR?

No. WebXR is optional and the normal WebGL view supports full play.

How does gravity work in 3D?

Choose one of 16 shafts; the server places the piece in its lowest open level.

Can someone watch without playing?

Yes. A visitor can remain a spectator when both seats are occupied.

Does it support tournaments?

Yes. Setup can create an elimination tournament or best-of-three series lobby.

Ready to play 3D Connect 4?

Create or enter a game, then send the private invitation link only to the intended players. Review the current connection-test and production status before relying on this work-in-progress cPanel package.

Create a private room