Anti-gravity 2.1 [免费版]

The game has 7 white balls and and some blue ones.
The blue ball has "negative mass"
Try to get the anti-g blue balls in the black hole.
Seven levels.

• 03/26/2021: Anti-gravity 2.1
• 01/22/2021: Anti-gravity 1.8
• 报告一个新版本