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Get Grnibb Black Box old version APK for Android
Find the Grnibbs hidden in the black box.
A logical puzzle. Choose the size of a black box and the number of Grnibbs you want to hide in it. The app places the Grnibbs in the box. Information you get when shooting light rays into the black box is needed to determine the position of the Grnibbs in the box.What's New in the Latest Version 1.0.4
Last updated on Jan 26, 2022
Made layout and styles consistent with other apps.
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Grnibb Black Box
1.0.4 by Michael Oosterhout
Nov 20, 2022