Build a Rocket
A Roblox experience owned by Cairn Labs.
Description (written by the developer; not a statement by this register)
Everyone in the server builds ONE giant rocket together. Fill it to 100% and you ALL blast off to the next planet! 🚀 How to play: 📦 Grab rocket parts at the factory 🚀 Carry them to the rocket 💪 Train at the gym to carry more every trip 🌕 Blast off! Earth ➜ Moon ➜ Mars 🎰 LUCKY ROCKETS! Every new rocket rolls Normal, Silver, Gold or a rare GALAXY rocket. Build a Galaxy rocket and everyone who helped trains 10x faster for 5 minutes! 🌙 Every planet has its own rocket and base. Jump super high on the Moon! 👨🚀 Rank up from Cadet to Legend. 📖 Fly all 12 rockets in your Rocket Log. 🎁 Come back every day for a bigger boost, and bring friends for Friend Boost! 📱 Play on phone, tablet or computer.
Last updated by the developer 6 Oct 2026, 13:49 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 We do not publish numbers we have not measured.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 |
|---|---|---|
| 8 Oct 2026, 13:45 | 0 | first reading |
Concurrent players at each of our measurements (insert-on-change).