Next launch in 10 sec.
Bottles launched0
Tap the sphere, a launch point, or press Enter.
Click anywhere on the sphere. The nearest launch site sends an inverted kvass bottle into space on carbonation bubbles.
Tap the sphere, a launch point, or press Enter.
Game mode: the cap unscrews and bubbles propel the craft. The real recipe targets non-alcoholic kvass up to 0.5% ABV; only measurement can confirm the exact value.
The whole sphere is clickable. The nearest of six launch sites fires the bottle, while toilet-paper rolls unfold as the craft wings.