Flood-It With 11 Colours And 900 Squares (A Viewer Asked, So I Built It)

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Last time a viewer wrote: "Try this too: Floods it solves with 11 colors and 900 squares to swallow." Fair enough. So here is Flood-It on a 30 x 30 board with eleven colours, solved move by move, and then six more ways to flood the same 900 squares.

The rule is the old Flood-It puzzle: the flood starts as one square in the corner, every move picks a colour, the whole flood takes it and swallows every touching square of that colour. The player here is a greedy solver that looks two moves ahead (not a perfect solver; with eleven colours it needs around 60 to 90 moves instead of the 20-ish you get with six). Chapter 1 is the comment as written, with the comment on screen at the start. After that, one thing changes per chapter: the flood starts in the middle; the whole border is the flood and eats inward; a ball flies over the board and every bounce off the edge is one move; two floods race from opposite corners and the board ends split; the squares become 900 hexagons; four corners flood at once and meet in the middle.
Every square keeps a faint shade of the move that swallowed it, so even the finished one-colour board still shows the rings of how it was flooded. The number in the corner is the simulation's own count of swallowed squares in that frame. No cuts inside a chapter.
Every sound comes from the moves themselves: a note per move, a chime every 60 squares swallowed, and a different instrument and scale for each chapter. No music track, no talking.