A little fieldwork. A few small wonders.
Rectaroo is a rectangle puzzle set on a paper meadow. Hold a grid corner and drag to its opposite corner to frame the fireflies. Each field asks for an exact number of round-winged A fireflies and diamond-winged B fireflies. Keep every thorn outside your rectangle.
The counts update as you drag, so you can adjust your frame before releasing it. Survey eight fields with three stamps: an incorrect, nonempty rectangle costs one stamp. There is no countdown, so take time to study the meadow.
Start with an interactive practice field, then work through eight distinct layouts. Your best field count is saved between visits. Music, sound effects and reduced motion can be adjusted in Settings.
Warm paper textures, botanical borders and two differently shaped fireflies give each small survey its own character.
Frame the right fireflies, avoid the thorns, and survey eight little fields.