Four-in-a-row raised into the third dimension, drop balls into a 4x4x4 cube and win by connecting four along any line, including the space diagonals.
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How to play
Players take turns dropping balls into the 16 columns of a 4x4x4 cube; each ball settles on top of whatever is already in that column. A line of four of your colour wins, and lines run in far more directions than on a flat board, across levels and through the cube's long diagonals. The added dimension makes threats easy to miss, so you must watch the whole volume.
Drop a ball into any of the 16 columns to stack it upward.
Line up four of your colour in a row, column, level line or 3D diagonal to win.
Track threats across all three dimensions, many lines are hard to spot.
Game modes
Vs CPU, play the computer at Easy, Medium or Hard.
Two player, pass-and-play on one device.
Online, host or join a match against another person.
Controls
Desktop: click a column to drop your ball; rotate the view to inspect the cube.
Phone & tablet: tap a column to drop, fully touch playable.
Tips & strategy
The diagonals through the cube are the easiest wins to overlook, check them every turn.
Central columns touch the most lines, so contesting the middle pays off.
Set up double threats on different planes; your opponent can only block one.
About Fourfold
Fourfold is an original free browser game that lifts the classic four-in-a-row line-drop genre into three dimensions, where a 4x4x4 cube multiplies the winning lines and the ways to be caught out.
A free, original browser game on PlayPendium. No download, no install.
