How big is a zebra next to a tractor? Can you judge an object's real size just by looking?
Sizivo: Size It Up Game puts your sense of scale to the test. Compare two objects, resize one to match its real-world proportions, and lock in your guess. See how close you came and try to improve your score.
A NEW DAILY CHALLENGE
Play five rounds in the daily puzzle and see how accurately you can judge size.
KEEP EXPLORING
Try Unlimited mode for more comparisons, explore themed categories, or revisit earlier daily puzzles in Past Games.
SIMPLE CONTROLS, SURPRISING COMPARISONS
Adjust the size on the game board and compare familiar objects in unfamiliar ways. Each round is a chance to discover how your intuition measures up.
PLAY AT YOUR OWN PACE
Your progress is saved on your device. Share your results with friends using the system share sheet, or send a challenge link so they play the same round.
ON IPHONE AND IPAD
The board fills an iPad in either orientation, and the whole game works offline once installed.