Round tracker Beta
Perfect round times, drop cycles and special rounds for your stream overlay.
New session
Sessions on this device
No sessions yet. Sessions you start are kept in this browser.
Recently deleted
Open with an edit key
Received an overlay link for OBS?
- In OBS, under Sources, click + → Browser → Create new.
- Paste the link you received into URL. Set Width to 1920 and Height to 1080, then click OK.
- Drag a corner to scale the overlay down and position it over your game.
You don't need a session or access to its controls. Keep an internet connection; changes from the player appear every few seconds. If B2 or your connection is temporarily unavailable, the overlay keeps its last received state and catches up when it reconnects.
Round tracker Beta
This session also changed somewhere else. Choose which version to keep. Nothing is replaced until you choose.
Round statistics
Normal rounds, perfect timeSet 0 to always hide perfect times. Round numbers and horde counts remain visible.
Drop cycle
Select drops in the order they spawn. Select one again to remove it. Picking the last drop completes the cycle.
Special rounds
This map has no special rounds.
Remote status
Paired phones
Target splits
Cumulative timeNo target splits.
Session history
Every saved change is recorded, including offline edits and sync conflicts. Older sessions start with the state available when history was enabled.
No recorded changes yet.
Completed cycles
Overlay
1920 × 1080 source, compact previewOBS
1. Choose your overlay link
Active link Recommended
ActiveOne Browser source that follows whichever session you mark active. Sessions opened in this browser share one active link; choosing another session never changes the link. New session on the same map also switches it to your new game.
Click Use as active to create your active link.
This session only
Always shows this session, even when you start or mark another session active.
2. Add the link to OBS
- In OBS, under Sources, click + → Browser → Create new. Paste your chosen link into URL and set Width to 1920 and Height to 1080. Click OK, then drag a corner to scale the source down to the size you want and position it over your game.
- Load the tracker and overlay once while online and wait until the tracker says Available offline. Each browser and OBS keeps its own copy, so load the overlay once in each one you use. No app installation is needed.
- Keep the session's control tab open while playing. Change rounds and drops here; the overlay has no controls.
Keep the Browser source at 1920 × 1080 even when showing a smaller overlay. Scale it down in your scene for crisp text and icons. Use an overlay link in OBS, never your private edit key.
Instant updates and offline play: OBS on this PC
On Windows or Linux, connect this browser directly to OBS on the same PC. Both link types update without internet. This connection is optional for online use, and required for live updates in OBS while offline or B2 is unavailable.
- In OBS, open Tools → WebSocket Server Settings.
- Turn on Enable WebSocket server and click Apply. The server must be running before you connect.
- Enter its port and password below from Show Connect Info, then click Connect.
- If your browser asks to access the local network, allow it. Wait for Connected to OBS.
Keep this control tab open. Without this connection, online OBS sources update through B2 every few seconds. OBS must be running for automatic reconnection.
The OBS port and password are shared by all sessions in this browser on this device. Changing or forgetting them applies to every open tracker tab.
Overlay in a browser, on another PC, or shared with viewers
Open either overlay link in a browser or OBS. In the same browser profile as the controls, it updates locally without internet. Other browsers, PCs and viewers need internet and receive synced changes through B2 every few seconds. The OBS connection above reaches only OBS on this PC. During an outage, remote viewers keep the last received state until sync resumes.
Two games at once
Separate game scenes: open each session's controls in its own tab. Add each This session only link as a separate Browser source in the matching OBS scene. Connect both control tabs to the same OBS server for instant or offline updates.
One source that switches: add the active link once. In the controls for the game you want to show, click Use as active. Starting a new session on the same map switches it automatically. Fixed links continue showing their original sessions.
Offline, sleep, or a site update
Once prepared, reopen the tracker in the same browser if its tab was closed or reloaded. Your sessions and active choice stay on this device. OBS can also reload its saved overlay. Keep OBS's WebSocket server running and the control tab connected for live offline updates.
If B2 is temporarily unavailable, keep playing. Changes save on this device and sync retries automatically. Leave the control tab open after reconnecting so pending changes can upload. Clearing browser or OBS data removes its offline copy; prepare it online again afterward.
Phone remote
Pair once to control the active session, including restarts. Keep the tracker open on this PC; it applies every change and controls OBS. Nothing to install.
On the same local network, the phone tries to connect directly to this PC; otherwise it uses B2. Pairing and reconnecting need internet on both devices. An established direct connection can keep working during an internet outage while both pages stay open.
Use recent Chrome, Edge, Firefox or Safari, including Safari on iPhone. The browsers can differ. Direct control depends on browser permissions and network settings. Allow local network access if asked. Guest Wi-Fi, VPNs and firewalls may block it; B2 is the automatic fallback. Keep the phone awake with the tracker visible.
Choose an active session in the OBS section before pairing.Can’t scan?
Save the key privately to reopen this session in another browser or after clearing browser data. Anyone with it can change this session.
Delete session
Deleted sessions can be recovered for seven days.
Offline use
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