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Stack Attack
Falling-block battles against a bot. Clear lines to bury your rival in junk, smash crystal blocks for bombs, shields and freezes, and break steel to climb a ladder of 30 rivals.
Play the first 3 rivals free. Unlock every rival for $3, or every game with the $12 all-games pass.
Runs in your browser on PC and phone. No download.
Screenshots
How to play
Left and Right move the piece, Up or X rotates, Z rotates the other way, Down drops faster and Space drops it at once. C holds a piece for later. On a phone, use the buttons.
Clear 2, 3 or 4 lines at once to send junk rows to the bot. Clear lines in a row for a combo and send even more.
Junk rows can hold crystal blocks. Clear the line with a crystal to get a power-up: Bomb (sends extra junk), Shield (blocks the next attack), Freeze (stops the bot for 3 seconds) or Clean (removes your bottom junk rows).
Watch out for steel blocks in junk rows: the first clear only cracks them, the second breaks them. Whoever's stack reaches the top first loses.
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