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Action
Not One
We are being invaded by Martians, who want to exterminate the human race to inhabit the planet ...
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About Not One
We are being invaded by Martians, who want to exterminate the human race to inhabit the planet ... fight to defend the earth. Not One keeps the pressure on from the first second. Hit Play and stay sharp. It leans fully into action, so if that's your thing, it delivers. Pick it up for a short break or settle in for a while — it runs well on phone, tablet, and desktop alike.
A couple of things help once you get going: Keep moving toward health or power-ups between fights instead of standing still. Use the environment: doorways, corners, and high ground all give you an edge.
Whenever you want it, Not One is here on Glaze Games — free, instant, and built to run smoothly without a download.
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How to play Not One
Not One keeps the pressure on from the first second. Hit Play and stay sharp.
- 1Press the green Play button above to launch Not One in the embedded player.
- 2It only takes a moment to load — these are lightweight HTML5 games, so you'll be playing within seconds.
- 3Watch for a quick tutorial on the opening screen — most action games walk you through the basics as you start.
- 4Tap the game area once so it captures your input, then go — keyboard and mouse will respond from there.
Frequently asked questions
Is Not One free to play?
Yes — Not One is free, with no hidden cost. You don't need to pay, register, or install anything; the full game loads right in your browser.
Do I need to download anything to play Not One?
No download needed. Not One plays instantly in any modern browser; there's no installer, no plugin, and no waiting beyond a quick load.
Can I play Not One on my phone?
Yes — Not One is built for portrait phone screens and works great on mobile. It also runs fine on tablets and laptops in any modern browser.
Is Not One safe to play at school?
Not One loads from a reputable publisher and runs through Glaze Games' filtered catalog, so it's a safer alternative to random "unblocked games" sites. Whether it works depends on your school's network — if standard game domains are open, Not One will load.
Where can I find more games like Not One?
Once you've finished Not One, scroll down to the "More games like this" section — we surface similar titles from the same category. You can also browse the full catalog by genre from the home page.
Player reviews for Not One
Community verdict
11 reviewsPlayer reviews
If you like action games, Not One is a must. Runs perfectly, nothing to install.Owen
Not One is a solid action pick. Good for killing ten minutes.
If you like action games, Not One is a must. Runs perfectly, nothing to install.
Not One is my go-to when I've got a few minutes to kill. So good.
Solid game — Not One gets a little repetitive but I keep coming back.
Not One is really fun, just wish there were a few more levels. Still recommend.
Been coming back to Not One all week. Simple but genuinely fun.
Not One is good for a quick go. Wanted a bit more depth.
Surprisingly polished for a browser game — Not One really impressed me.
Whole friend group is on Not One now. Best action find this week.
Enjoyable and easy to pick up. Not One lost a star for the odd ad.
Great for quick breaks. Not One could use more variety but I like it a lot.
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