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Hand-made games. Free, no download, no sign-up.

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Free online games, made in-house

Glowbox is a small studio site. Every game here is built by us and runs in your browser on phone, tablet or computer. There is nothing to install and no account to make.

Each game page has the controls and a short description, so you can jump straight in.

Are the games free?

Yes. Every game is free to play, with no sign-up. Sign in only if you want your progress saved across devices.

Do I need an account?

No. Your recent games and favorites stay on this device.

Do you track me?

We count anonymous plays to learn which games people enjoy: no tracking cookies and no personal data. You never need an account to play; if you choose to sign in, we keep your email and game saves so you can continue on any device. If your browser sends Do Not Track, we count nothing.

Will it work on my phone?

Yes. Some games are made for portrait screens; on a phone, tap Fullscreen or Open for the best view.

Ink Thread

Play Ink Thread now

Ink Thread is a free puzzle game by Glowbox Studio that you play directly in your web browser — best on a phone held upright, and also playable on tablet or computer. No download, no sign-up.

About Ink Thread

Pull one line of ink out of the postbox, sweep up every sealed letter, and never let your line cross itself. Twelve hand-built maps, a strict ink limit, and a par line to beat. Every delivery gets its own AI-written postmark. Free to play in your browser on phone or desktop, no sign-up.

How to play

DragDraw the line one dot at a time
Drag backUndo the last step

Information

Developer
Glowbox Studio
Genre
Puzzle, Relaxing, Cozy, Brain
Platform
Web browser
Screen
Portrait
Languages
—
Size
0.7 MB
Price
Free
Age rating
Everyone
Released
5 Oct 2026
Updated
5 Oct 2026

FAQ

Is Ink Thread free to play?

Yes. Ink Thread is completely free and needs no account.

Do I need to download Ink Thread?

No. It runs in any modern web browser. Open the page and press Play.

Can I play Ink Thread on my phone?

Yes. It works on phones, tablets and computers.

Does Ink Thread save my progress?

Progress is saved in your browser on this device. Clearing site data resets it.

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