Minnow Mittens

Find homes for TWO cats: first an exact tier-3 cat, then an exact tier-4 cat. Route interleaved arrivals into four shelves; equal top cats merge. Feed one fish to raise a top cat one tier (which can trigger another merge), then choose Adopt on an eligible shelf. The first adoption brings a new fish and frees space. Beware over-growing the requested cat, seven-high shelves, and the twelve-arrival supply.

Tap controls, or Tab then Enter/Space. R restarts. Numbered coordinates identify board cells. Every action is turn-based; take time to plan.

Cat-pair growth plus a one-use fish transformation, discrete gravity.