About Sector Nine: Lockdown
Sector Nine: Lockdown brings fresh popular games energy to your browser: an addictive action game with platform mechanics at its core. The rules take seconds to learn, the shooter levels take real skill to master, and your best score never feels safe for long.
How to Play
Click or tap to play
Controls are shown in-game and on this page - most popular games use just the arrow keys, spacebar or mouse so you can start instantly.
Tips & Tricks
Short sessions are the meta: these games are built for one-more-try loops, so expect your best run when you least force it.
Play Sector Nine: Lockdown at School
Like every game on this site, Sector Nine: Lockdown is a lightweight HTML5 game: it loads in seconds on a school Chromebook, needs no download or account, and runs entirely inside the player above. If the game doesn't start, give it a few seconds on slow school Wi-Fi or hit fullscreen for the best view.
Finished playing? Browse more popular games, or jump straight into Spellbound Orbs and Sands Of Anubis. Every title on School Unblocked Games plays free with no download. Want strategy? Read Backrooms Game Unblocked: Don't Noclip at School.
