Single planet demo of our exploration platform game for Game Boy Advance (and PC and Switch!) - thanks to a successful Kickstarter campaign the full game is now in development!

Note: Changing language will reset the game. Web version doesn't run too well in Firefox. 

The controls of the web version are:

  • d-pad / arrows: walk/aim
  • LB / A key: look [gba l]
  • RB / S key: charge blast (when unlocked) [gba r]
  • B button / Z key: fire [gba a]
  • A button / X key: jump [gba b]
  • menu / enter: pause / friend cards (when collected) [gba start]

The demo is 'Chapter Zero', and not planned as part of the main game (so it won't spoil anything). It was difficult to strike a good balance with a demo, and some things will definitely change in the full game, but we really hope to give you a good idea of the quality. (Please help us improve the game with your feedback!)

For the most dedicated secret-hunting players, your mission is to find Azure, a secret crossover character from the upcoming and beautiful indie platformer Orange Island. If you manage to find her and collect her friendship card, please let us know!

GBA compatible For best results, download the ROM and play with a flashcart or your favourite emulator. (A pre-configured PC version using RetroArch + mGBA is also available in the downloads)

Web version is running in a modified version of by Simon Paris which is based on VBA-M by Forgotten and the VBA/VBA-M development teams.

For more information please see our Kickstarter campaign or our website.


Download NowName your own price

Click download now to get access to the following files:

Goodboy Galaxy DEMO for PC (packed emulator) 80 MB
Version 1.0.7
Goodboy Galaxy DEMO for GBA (roms only) 50 MB
Version 1.0.7
Goodboy Galaxy DEMO for 3DS (cia) 52 MB
Version 1.0.7

Development log


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The demo was so good. I love the pixel art and the mechanics. Took me a little bit to figure out how to damage the boss. 

Bug Report: I played it on a GBA emulator. One time when I was approaching the boss, I jumped right before it automatically moved me and did the little cutscene. I ended up stuck in the ground and could not move, so I just died to the boss. 

thanks for the kind review and the bug report! 

(1 edit) (+4)

This demo has so much polish. It's clear that you guys have gone over every piece of this design with a fine tooth comb. It's such a neat package, and I'm itching for the full release!

I enjoyed finding all the secrets and obtaining the "alien technology" from the orange dimension.

This game really respects the player. It respects their problem solving skills and platforming capabilities. It doesn't hold your hand so I feel like I have a lot of agency, and I love that in a game. It nudges you right when and where you need it.


thanks so much!

How do you change the  language

It autimatically put mine in arabic and i cant find the menu

If you're playing on the web, click the pause icon at the top left. If you're playing in an emulator, make sure to unzip the zipfile so you can choose the correct rom (loading the zip probably chooses the first one it sees)


Ok Thank You


What a beautiful game. Excellent controls and lots of juicy effects. Looking forward to the full version!


Very unique game, thank you for adding the Arabic language


this is a frekkin masterpiece PLEASE tell me this is not abandonware :-(


It isn't!

There's a Discord where the developers post updates:

You can also sign up for updates on their official website:


I have play your game I like what I play I can't wait to see what you do next I brought  deom ver but had laptop die so I lose it but I did get to the demo it was fun. Keep up the good work it's not easy making a game anything can happen but kwon this team can do Leo gera.


This is amazing :) If your team ever makes a PC port, it would mean alot if there is either a x86 (32bit) or a UWP (ARM64) windows version available as well. Thank you so much and keep up the amazing work <3


Experiência irada, a simplicidade cria uma ótima empatia, principalmente para novos jogadores. Os puzzles são rápidos, tem uma boa dificuldade e o gráfico está incrível. Joguei com a ROM de GBA pelo Retroarch no XSS, ficou muito bom.

(1 edit)

I noticed you write in European Portuguese and I got curious. Which language did you choose to play? English or Brazilian?


I played in portuguese (brazilian)


OMG is amazing! I didn't know about this game and and I absolutely want the physical copy for GBA.

I installed the demo ROM on 3DS, well done guys, the graphic, animations are incredible and the command very responsive.

I have a GBA SP I hope there will be no problems.


This is an absolutely charming game, with cute graphics and solid mechanics! :) I can't wait to purchase this someday! 
May I ask what game engine you used to make this? 

For Goodboy we're using our own engine written in the Nim programming language, but the easiest way to get started with GBA dev nowadays is the Butano engine (requires some modern C++ skills).

Check out for a full list of resources!

That's cool! Thank you for the reply! :) 

(2 edits) (+2)

Amazing Game!

It is now my one of the favorite.

And with GBA support, it is AWESOME.


This is a pretty cute game! And I really love the frog character…whose name I forgot. But anyway, well done!


Eu achei tudo heueheuehhe

Hello there! I missed the Kickstarter but this is an instant fave! Is there any way I could buy a cartridge version since I cannot pledge? Would love to be able to play on my GBA SP! You guys are awesome for bringing back my fave console to life! :D

Thanks so much!  Yes, if you sign up for email updates we'll let you know once they're ready for sale: 


Amazing! Thank you!


I had such a fun time with the demo! This is the kind of game I'd have grown up being obsessed with, and y'all captured that era of platformers excellently. Really looking forward to the full release! :D

Thanks so much, shy dog!

(1 edit) (+1)

Why, Just why??? Why is Jump bound on B, not A? Why do yoy do this to me?

(1 edit) (+1)

It's 'A' on the GBA (rightmost button - B on the xbox layout) same as Mario and most platformers on the GBA, but you can remap them around in an emulator.  We'll add an in-game swap to the full game if we can.  

(1 edit) (+2)

this game is so dang cool! but i wish a could change the controls.

(1 edit) (+1)

Hi, How am I supposed to beat the first boss? The fight seems endless and my shots don't have any effect on the boss


Use the charge blast on their blocks so that they rush into the spikes, then you can shoot them while they're dazed.  


Thanks, I beat the demo, now time to find Azure

good luck!


Hello, Im the Editor In Chief for a game magazine based in Cuba and I would like to make Rik, the creator a small written interview if its possible. Thanks!


You can write to them on Twitter (@hot_pengu and @exelotl) or write to them at their email address:


love the metroid vibe, well done, lookin forward to the full thing!



(1 edit) (-1)

May I query if the rules of the internet have yet been applied to Goodboy Galaxy? If so, my condolences.

what is this supposed to mean? there are no rules

My sweet, innocent soul. Look up "The Rules of The Internet".


do not cite the deep magic to me, witch. i was there when it was written. and if you really 'know', then you surely know of all of them. including, pics or didnt happen


OMG it's even translated?! Great job


good game kinda like metroid but with super mario and luigi graphics


LOVE maxwell's falling animation lol


Gracias por la traducción al Español, hermano!!!
Thanks for the Spanish translation, bro!!!

'Chapter Zero' will be included in the switch version of the game ?

(1 edit)

Can I plz beta test for chapter 1? 3ds cia?

We'll recruit testers from our discord server (but not till later next year), but feel free to join if you're interested:


Can I still join the testers then?


I'm a backer, and I just finished the demo on my DSLite using an EZ Flash Omega and LOVED the entire experience! It played extremely well.

One request for the final game however would be to add support for the "boot with addon" function on the EZ Flash Omega, especially seeing as it's being recommended as a preferred method to play the game on original hardware. I missed being able to go from the game back to the card menu as I can with other games, rather than having to power down the system each time.


Also, after reading some of the comments below I wanted to add that I actually really enjoyed the segments where different equipment was lost. It was a unique way to get the brain working to get figure out how to get through those parts! It was also really satisfying to beat the boss once I figured out what to do.

Thanks so much! We'll look into adding support for this, though it might be impossible without an update to the EZ Flash firmware itself (as I believe the patch is intended for games that used the official SDK from back in the day). I'll have to investigate some more. :)


Impressive work


This game is so cool.The Chinese translation is great.

I will play it on my DSi.


Looking back at this game after a while. Still looks amazing! I recommend getting it translated into German just because it's a pretty common language, but that's just me.


I love the art keep it up


The gameplay is good.


Very cool!


Yo ho yohoou




i need a map too for the game please.

Just for you 😁:  Map   
(The full game will have an in-game map!)


Thank you.

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