There are two paths, plus some secret areas and side quests.
Fancy Fish Games
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The latest driver is 126.96.36.199.5420, released 08/30/2012, so it's possible it's just too old and doesn't support Aground. To get a refund, you'll have to contact itch.io: https://itch.io/docs/legal/terms#refunds (if you bought it on steam too, you'll have to request the refund there as well: https://support.steampowered.com/kb_article.php?ref=6695-QIKM-7966). I cannot process refunds myself, but they both allow refunds for games that don't run, so it should be pretty easy.
If you're running windows, then run dxdiag.exe (from the start/run menu), then go to the display tab of the window that appears and it will tell you the name of the graphics card (like, mine says "Name: Intel(R) HD Graphics 520", which is enough to find the right driver).
Graphics cards are expensive (usually a lot more than $50) and tricky to replace, but the graphics card driver is free to upgrade, it's just software from the manufacturer's website. It won't change the power of the graphics card, but it will sometimes add new capabilities (like opengl 2.0 support). What graphics card do you have installed currently? I can see if there's an updated driver.
How old is your computer? OpenGL 2.0 has been around since 2004 so most computers should have it. What graphics card do you have? Updating the graphics card driver (from the manufacturer's website) might fix the problem depending on how old your graphics card is.
The kongregate version has a fallback html5 canvas renderer (which is really ugly - and it will warn you about if it uses it) that allows the game to run even if you don't have OpenGL 2.0+ - but the full version can't use it (it's not HTML5).
Well, you can't copyright game mechanics, so while you can't literally copy the code/game assets or use the name Aground, you can make a game with the same mining mechanic (in fact, Aground wasn't the first - I got the idea for being able to move up/down without gravity while mining from Utopian Mining).
Well, if you want to get involved in modding aground, there's quite an active community on discord: https://discord.gg/aground . An Aground style game from scratch is quite a bit of work (especially for a first game project), but there's nothing stopping you from making a game like Aground (Notch made minicraft for a game jam in 48 hours).
I use Haxe/OpenFL: https://www.openfl.org - I transitioned to it from flash as3, and I've been liking it a lot, but it's not really a full game engine so I wouldn't recommend it to a beginner (although there is https://haxeflixel.com/ that was built on top of openfl and is an engine, and I've heard good things about it). There are also a lot of game-specific engines (like RPGMaker), which make creating a specific kind of game very easy, but aren't very flexible if you want to do more than the engine planned for - I'd definitely recommend one of those if your game idea fits the engine.
You don't have to install ./Aground.sh, just run ./Aground.sh, but that works in linux, I'm not sure about chromebooks, and I don't have a chromebook to try it on. The latest chromebook OS does say it supports linux apps, but I don't really know much more than that...
I honestly haven't gotten Aground running on a chromebook yet, but try following this guide: https://www.howtogeek.com/363331/how-to-set-up-and-use-linux-apps-on-chrome-os/ . If your model supports the new chromebook os, it should work.
On the itch.io page, it should have the following instructions right?
Linux: Extract the .zip file and run Aground.sh (you may need to set it's permissions to be executable). If you're running a 64-bit version of Linux, you may also need to install the following libraries: libglu1-mesa:i386, libpulse0:i386.
Did you extract all the files in the .zip? libvorbisfile.so.3 should be in the game directory. Also, make sure you run the .sh file, not the executable, as it sets the path to find those libraries.
If I put all the missions into the demo, no one would buy the full version XD. The demo already has a lot of content, 3 islands and 8+ hours, more than most games. It will not get any more islands/content/planets.
New chromebooks can run the linux version of the game (the old ones can run the linux version too, but it's a lot more complex). In any case, an official chromebook port is low on our list and certainly wont be soon if it happens (I'm kind of hoping the linux version ends up working on most/all chromebooks).
After defeating the mirrows, you are at the end of the science path in the demo - you'll need to get the full version to get more missions on that path. However, there are side quests and a second path in the demo you can do as well - try completing quests for the alchemist on the starting island to unlock the magic path (try feeding the wyrms in the wyrm pen).
The Itch.io version includes a steam key, so it doesn't really matter where you buy it (although I get to keep a larger cut if you buy it on itch.io). And for your earlier question, if you buy the early access version, you'll get the full game when it releases (free updates), but if you wait until the full version releases, we will be increasing the price of the game at full launch (so you have to wait for updates if you buy now, but you get a discount for supporting us early).
1. Does it have an error report? If so, let me know.
2. If you have mods installed, try disabling them. Some can cause crashes.
3. If it crashes randomly with no report, that is usually a graphics card error. Try updating your graphics card driver.
I'm guessing this is your steam profile? https://steamcommunity.com/profiles/76561198849074049 (I noticed you posted on steam too). Make your games public so I can confirm you own Aground on Steam (edit profile, my privacy settings, and set my profile and game details to public), and I'll give you an itch.io copy of the full version. Once I confirm you own the game, you can change your privacy settings back if you'd like.
How frequent are the crashes? Are there any error messages or popups? I would be a little shocked if it was steam that was causing the problem, but you can download the demo here on itch, and if that works and the steam version doesn't, I can help you get the full version in direct messages.
So, it'll do that if you change the run start in directory of the shortcut. Right click on the shortcut, click properties, and in the shortcut tab make sure Start in: shows the path to the exe (shown in Target).
You can't fly the spaceship yet without cheating - that's intentional, as that part of the game isn't done yet. Try syncing now - there was a bug a while back that caused saves that were larger than 1MB to not sync, that should be fixed. I have no clue what you mean with the first problem - it runs in the files but not when you click it?
It should say 1.4.3b (b is just a few patches/bugfixes from a). You can download the latest version from itch.io if you have the wrong version. The next update should come mid october (but I don't have an exact date set yet).