21 — Live Player Count & Stats
A simple game of collecting cards to reach the goal.
Live players
0
Peak (24h)
—
Total visits
644
Est. monthly revenue
$0–$0
Estimate (beta)
Player rating
78.6%
11 favorites
11 likes3 dislikes
Access
Free
Open to everyone
24-hour trend
—
View activity details →
Created on Roblox
Original publication date
Latest Roblox update
As reported by Roblox
Activity over time
Concurrent players
Not enough history yet — check back soon.
Notable change activity
Thumbnail, name, description, and access-price changes only.
No notable changes in 24 hours.
Notable changes
No competitor-level changes tracked yet — SpawnRadar logs every thumbnail, name, price, and description change as it happens.
Embed a live player-count badge
This is the live badge that the code will show on your site.
<iframe src="https://www.spawnradar.com/widget/4334041447" width="320" height="140" frameborder="0" title="SpawnRadar live players" loading="lazy"></iframe>Track 21 with SpawnRadar
Get an alert the moment 21 changes its thumbnail, price, name, or ships an update — so you never get blindsided by a competitor. Revenue figures are transparent estimates; see our methodology.
Start tracking free
