🕹️ Orbital Defense Grid

Orbital Defense Grid loads instantly in your browser — no install, no account, just play. Hold the line as the orbital barrage intensifies wave after wave. Every attempt nudges your timing a little sharper. Pro tip: Group several missiles with one well-placed blast where their paths cross to save reaction time. Beat your best, climb the leaderboard, and fire off a quick share when you post a score worth bragging about. Whether you have five minutes or an hour, Orbital Defense Grid keeps the fun flowing on phone, tablet or desktop. Controls stay simple so anyone can join in, and the difficulty curve stays fair while still leaving room to grow. Come back any time — your best score is always waiting to be beaten, and there is always one more run that feels within reach. Controls stay simple so anyone can join in, and the difficulty curve stays fair while still leaving room to grow. Come back any time — your best score is always waiting to be beaten, and there is always one more run that feels within reach.

How to play

• Falling missiles streak down from the top toward your cities along the ground.
• Tap a spot in the sky to set off a defensive blast there.
• Any incoming missile that passes through your blast is destroyed before it lands.
• Lose a city every time a missile gets through — protect them all.
• Survive every wave to win; the more cities you save, the higher your score.

Controls

Tap anywhere to launch an interceptor and detonate a blast at that point. Any falling missile caught in the blast is destroyed. Touch or mouse.

Features

• Free to play instantly — no download or sign-up
• Full touch, mouse and keyboard support
• Saved best score and local leaderboard
• Authentic 1980s arcade feel with CRT scanlines and pixel glow
• Original mechanics — not clones of the Arcade & Classic games

FAQ