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Sub Mission

– MS-DOS
Sub Mission
ControlsEnter/Space start/selectEsc menuMS-DOS

1987 · Simulation, Strategy · MS-DOS / PC

Game info_□✕

About Sub Mission

Sub Mission, published by Mindscape in 1987, is one of the strangest games ever released for the PC — not because of what happens on screen, but because of what happens on the disk. The setup: a mysterious warlord, a devoted lover of war games, holds two captives named Peter and Sigourney. He will release them on one condition — someone must beat him at his own game, fought with remote-controlled miniature submarines.

Sub Mission – screenshot 1

The gameplay crosses a simulator with an adventure. You pilot the subs from the keyboard, partly through typed commands, navigating flooded passages, watching your systems and above all the oxygen: with captives aboard you must surface regularly or they suffocate. The central decision is stark — send expendable robots into danger, or risk carrying the living humans? Robots are just hardware; Peter and Sigourney are not.

Which brings us to the infamous hook. The game remembered the captives' deaths. Lose them for good and the disk simply struck them out — no restart, no reloading a save. Players who wanted Peter and Sigourney back had to approach the publisher about a replacement disk. As a design experiment in permanent consequences it was decades ahead of its time; as a commercial idea it was by all accounts a disaster that sank the game at retail.

Today Sub Mission fascinates mostly as an artifact: four-color CGA graphics, and originally an audio cassette in the box carrying a spoken briefing, because sound cards barely existed when it was made. The actual play is slow and opaque, and without the manual you will flounder for a while — but few games let you feel how seriously the eighties could mean the word „defeat“.

You can dive in at oldgame.cz straight from your browser — and no disks will be harmed this time.

Videos and guides

Sub Mission FAQ

Can I play Sub Mission online for free?
Yes — you can play Sub Mission right here in your browser for free, with no installation and no plugins, on both desktop and mobile.
Can I download Sub Mission?
Yes, Sub Mission is available to download here — use the Download button on this page.
What platform does Sub Mission run on?
Sub Mission is a MS-DOS / PC game from 1987.
When was Sub Mission released?
Sub Mission was released in 1987.
What genre is Sub Mission?
Sub Mission falls under: Simulation, Strategy.
How do I save my progress in Sub Mission?
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 Sub Mission 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 Sub Mission?
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 Sub Mission 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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