RoBio
A Roblox experience owned by Happily Games.
SimulatorENsimulationsci-fiexperiment
Description (written by the developer; not a statement by this register)
This game is remake of an old game called Ro-Bio (by tronP). Inject viruses in subjects and watch what will happen to them! In this game you test on robots! The game may contain bugs! Private Servers Are FREE --------------------------------------------- [UPDATE 0.5.0] --Recode --Ui overhaul --New effects --Bug Fixes --More --------------------------------------------- Make sure to like and favorite the game 👍 tags: Ro-Bio, Ro Bio, Ro-Bot, Ro Bots, Ro-Labs, Scientist, Sci-Fi, Virus Testing, VIruses, Science Lab, Robots, Grimace Shake, Ro-Bio npc experiment, experiment
Last updated by the developer 12 Dec 2025, 21:42 UTC.
Live players over time
Growth
Growth history is still building. We hold one measurement for this entry. A trend needs at least two, taken days apart — so this will fill in on its own rather than being estimated. We do not publish numbers we have not measured.
| Measured (UTC) | Players | Change |
|---|---|---|
| 17 Aug 2026, 11:22 | 0 | first reading |
Concurrent players at each of our measurements (insert-on-change).
Like ratio over time
Growth
| Measured (UTC) | % liked | Change |
|---|---|---|
| 6 Nov 2026, 18:49 | 62 | +4 |
| 27 Oct 2026, 18:48 | 58 | +3 |
| 7 Sept 2026, 12:52 | 55 | -5 |
| 18 Aug 2026, 12:20 | 60 | first reading |
Percentage of votes that are likes, at each of our measurements. A falling line is a game losing its crowd’s goodwill.