Players take turn placing cubes of their color onto a common place area. Get enough cubes in a row to win. Both game modes are characterized by there being no board and no limit to how far the common structure might expand as pieces are placed. In mode A, players can only play flat onto the ground. They can expand the grid in any of 4 directions, but cannot stack cubes. Get 5 in a row to win. In mode B, players can only play into a wall. They can expend it sideways in 2 directions or upwards. Get 4 in a row to in. —user summary

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