A downloadable Jumper

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Welcome, welcome, welcome, to Jumpin' Jupiter!

In the future, the last cups of tea have have been scattered across the solar system. Our heroine, Jupiter, is on a mission to get them back at all costs!

Jumpin' Jupiter is a Manic Miner style linear platformer that starts on the (Space!) Moon, and ends on Pluto - 35 levels of  classic Speccy platforming action!

The game received a lovely score of 8/10 from Planeta Sinclair :O


O = Left

P = Right

M = Jump

H = Pause


* A Speccy game for a new generation!

* 35 levels of platforming action!

* Avoid enemies!

* Collect tea!

* Timed blocks! Crumbling blocks! Conveyer belts! Oh my!

* Use keys to unlock exits!

* Colour clash! \o/

* No sound fx! (due to the limits of PGD)

* An irritating tune!

Very Special thanks:

Sebastian Braunert, Jonathan Cauldwell, Jake May, Silver Shaman, MaryKate Clark, Blerkotron, Super Retroid, the Brothersheep, Craig and Ben Stevenson, Psychic Parrot, Mr. Tom  and all my fellow Speccy fans :D 

Hope you like it! 



*Check out my other games here*

Rated 5.0 out of 5 stars
(3 total ratings)
AuthorQuantum Sheep
Tags2D, 8-Bit, jupiter, Pixel Art, Retro, Space, spectrum, zx, ZX Spectrum, zx_spectrum
Average sessionA few seconds
LinksTwitter, Patreon, Merch


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Click download now to get access to the following files:

jjrelease2.sna 48 kB
jjrelease2.tap 39 kB
jjrelease2.z80 27 kB


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Nice game. Our German-language review can be found in our recorded livestream starting at 01:44:50. Automatic subtitles are also available (turn on, if necessary). Subscription to our YouTube or Twitch channel is welcome. 🙂


I like it very much!

That's very kind, thank you! :)


Looks and plays great :) Can you add joystick support please ? 

Thank you very much!

Unfortunately, the software used to make the game doesn't support joysticks as far as I know (just as it doesn't support sound fx)

There may be some work-around using emulators perhaps? I'll have a look!



Maybe you could do redefinable keys ? That way we could use sinclair joysticks !

Alas, PGD (Platform Game Designer, which I used to make this) doesn't support joysticks or definable keys or sound :O

I've learned my lesson though, and I'm now using MPAGD for future games which lets you use Kempston or Sinclair joysticks, as well as define your keys!

Sorry 'bout that!


I use Retro Virtual Machine as my Speccy emulator and it will map the controller to Kempston (I think there is a way to map it differently too, but I'm not 100% on that!) - either way, it lets you use a controller to play Sheep's games with and it's a fine emulator :) .. https://www.retrovirtualmachine.org/en/

I didn't know that! Nice one!

And I *love* the emulator as if it were my own tiny lamb ! Thanks for introducing me to it!

(also - new game this weekend! Spread the word!)

QS  =D


Oh, I was so far away...

You got pretty darn far sir! Looks like you got Quantum Locked! :O

Thanks for the video :)



Look! A video! Cor, what a lovely game!

HURRAH! Thank you, kind sir! :D



Lovely platforming fun just like it's 1985!! Thanks for making this game!

Thank you so much, lovely! So glad people seem to like it! \o/