Heart Cubes is match three puzzler - match colours to clear the board. Create powerups with continous colour matches and use them start a chain reaction for massive scores.
Use the mouse to click matching groups of colours of three or more. Higher matches result in powerups. Use the powerups to set off chain reactions and gain bonus points.
A context menu should be shown when right-clicking or, on touch devices, long-pressing in the game. This menu especially allows to play in full screen and control the volume.