Verdict: Declining. Build a Rocket VS Mark Rober is declining: down 27% over 30 days, lagging the platform. Roblox overall moved +4% over the same period.
41 players online · 7-day average 26 · 30-day average 28 · 30-day change -26.8%.
All-time peak 305 on 2026-03-21, 226 days ago. Today's count is 13% of that peak.
RoWatcher samples Roblox's public API for every tracked game every five minutes and keeps 180 daily aggregates for this game. The verdict compares the last 30 days against the previous 30 — daily wobbles are ignored, so a game is only called dying on a sustained move.
Build a Rocket VS Mark Rober is declining: down 27% over 30 days, lagging the platform. Roblox overall moved +4% over the same period.
41 concurrent players as of this page's last refresh. The 7-day average is 26.
305 concurrent players, on 2026-03-21. The current figure is 13% of that peak.
2026-03-21, 226 days ago.
By comparing Build a Rocket VS Mark Rober's 30-day average concurrent players against the prior 30 days, using RoWatcher's own 5-minute samples. A verdict of dying requires a fall of 60% or more over that window; declines under 20% are called stable.
Full Build a Rocket VS Mark Rober stats, charts and revenue estimate. Browse other live Roblox player counts or the charts.