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Demon Blue

– MS-DOS
Demon Blue
ControlsArrows moveSpace jumpEnter useEnter/Space start/selectEsc menuMS-DOS

1992 · Action · MicroValue · MS-DOS / PC

Game info_□✕

About Demon Blue

Year 1992, lunch break, the monitor swimming in the glow of twenty-four VGA colors, and I'm controlling a blue droplet with sparse hair. It really happened. Demon Blue by MicroValue was exactly the kind of game nobody bought on purpose — it just ended up on a floppy disk alongside five other titles, and one day you fired it up out of boredom.

Demon Blue – screenshot 1

It's a platformer for MS-DOS where you play as a blue demon — really more of a droplet with a face — and trudge through level after level, with a straightforward goal: get from one end of the screen to the other, preferably alive. Nothing world-changing, just genre standard from the turn of the eighties and nineties. What's interesting is the iconography: the enemies don't look hellish at all. Quite the opposite. You encounter angelic-looking creatures, which gives the whole thing a mildly ironic edge, whether intentional or not.

Playability hinges on jumping and dodging. You move, jump, collect power-ups, and try not to drain your energy, because contact with enemies chips away at it. Controls are straightforward, keyboard response acceptable by the standards of the time. Difficulty ramps up gradually, but the game creates no real tension — it's more mechanical trudging than genuine challenge. Power-ups liven things up, but they don't rewrite the basic formula.

Demon Blue – screenshot 2

Demon Blue isn't remembered because it was exceptional. We remember it — those of us who ever came across it — because it was accessible, ran on anything, and needed no half-day setup. MicroValue operated in the budget software space, and Demon Blue proves it: no ambitions to rewrite history, just functional fun for an afternoon. Today it gets surprisingly gentle treatment. The game didn't age poorly because of what it broke — it simply never overstretched itself beyond what colors it had to work with.

Demon Blue – screenshot 3

Today you can play it in a browser via DOSBox emulators, no installation, in five minutes. It'll suit anyone who likes simple platformers from an era when games didn't hold your hand explaining every mechanic. Don't look for retro nostalgia here in the story or graphics, but in that straightforward feeling: jump, dodge, survive. This blue droplet never played for anything more.

Videos and guides

Demon Blue FAQ

Can I play Demon Blue online for free?
Yes — you can play Demon Blue right here in your browser for free, with no installation and no plugins, on both desktop and mobile.
Can I download Demon Blue?
Yes, Demon Blue is available to download here — use the Download button on this page.
What platform does Demon Blue run on?
Demon Blue is a MS-DOS / PC game from 1992.
When was Demon Blue released?
Demon Blue was released in 1992.
Who made Demon Blue?
Demon Blue was developed by MicroValue.
What genre is Demon Blue?
Demon Blue falls under: Action.
How do I save my progress in Demon Blue?
Save inside the game itself — via its own menu, or F2/F3. And if you log in (free), your position is also stored in the cloud, so you can continue on another computer or phone.
Is it legal to play Demon Blue online here?
You play it in your browser via an emulator. For how we handle abandonware and copyright, see our "Is it legal?" page.
How do I control Demon Blue?
The controls are in the Controls section on this page. The keyboard is usually all you need — arrow keys to move and Ctrl, Alt or Space for actions.
Can I play Demon Blue on mobile?
Yes — it runs right in your browser on phones and tablets too. Just tap Play, nothing to install.

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Gaming platform – MS-DOS / PC_□✕
About the platform 1981–2000

For two decades MS-DOS was the main gaming platform on PCs. Games launched from the command line and used sound cards like Sound Blaster or AdLib. DOS is the home of legends such as Doom, Prince of Persia and Commander Keen.

Maker IBM PC / Microsoft  ·  Years 1981–2000

Here on oldgame.cz you play it right in your browser via the js-dos emulator — no install, no plugins, on desktop and mobile.

Recommended controls
These games are controlled with the keyboard (see the controls table next to the game). A USB joystick/gamepad can make some titles more comfortable, but is not required.

» More about this platform on Wikipedia

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