Sero
An atmospheric puzzle game full of wisdom
Sero launched on February 1, 2016 with 74 votes, #773 of 4,386 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 10 years on.
What it does
Eat cells, grow larger and become the largest. A modern new Agar.io alternative for Android and iOS.
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