bruh press see inside! its that simple 'Pressing the green flag will show others you are online, and it will automatically show that you are offline if your tab is closed or the computer is locked, and should show online again when unlocked." (text in quotes copy and pasted from @BKfighter )
:( this is a project i made to prove how simple it is: when i saw this. https://scratch.mit.edu/projects/197620674 **Ticks every 2 seconds!
