Sentinel AntiCheat
Always watching
Initializing secure channel…
Sentinel AntiCheat
Secure Launcher

Enter your server code

Your server's operator gives out a short code — usually posted on their website or Discord. Enter it below to connect this launcher to that server.

Welcome to Sentinel

Your account is your key to play — protected. Create one to get started, or sign in if you've been here before.

Sentinel AntiCheat
Secure Launcher

Create your account

Choose a username, email and password for your Sentinel account.

This is how you sign in — not your in-game character name. Choose carefully, it's permanent.

Check your email

We sent a verification link to

Click the link and this window will continue on its own.

Waiting for verification…
Didn't get it? ·
Sentinel AntiCheat
Secure Launcher

One last step

Tell Sentinel where your game is installed. We only need this once — you can change it later in Settings.

Server
L2 All Stars
Server
—
Protection
Engine active
Client files
Verified · sealed
Connection
Secure
Ready to play
Protected session
All files verified. The anti-cheat engine will run while you play.