Raj
Quarto Remix
The award-winning abstract with a wicked twist, you versus a tactical CPU. There are 16 pieces, each unique across four traits — **size** (tall/short), **colour** (dark/light), **shape** (square/round) and **fill** (solid/hollow). On your turn you place the piece your opponent **hands** you, then choose which remaining piece they must place. Complete a line of four pieces that share **any one trait** (all tall, all hollow, all dark…) to call **Quarto** and win. The catch: you arm your rival every turn.
Quadra Remix
A **falling-block stacker**. Rotate and drop the seven tetrominoes into the well, complete
Quad Remix
**Connect Four against a real AI.** You are cyan; tap a column to drop a disc into the well and it falls to the bottom. Line up four of your discs — across, down or diagonally — before the amber AI does. Three opponents — **Novice / Skilled / Master** — come from one minimax-with-alpha-beta search at three depths.