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This app is only available on the App Store for iOS devices.


The long awaited first game of ROSTLAUB!

"Crazy, Crazier, JOOL!"
"Absolutely top-notch!"
"A ton of addictive charm"
"a psychedelic bit of fun nonetheless"
"Mushroom, Mushroom"
"Le jeu de la vie"
"polished and quite well done"

Join a really dopey bird and his foolhardy ego on an adventure through a divided world of absurdities! While playing, you can switch between the two characters to escape from death. Turn the device 180 degrees to change between the characters and turn the whole world upside down. JOOL is a very special arcade platformer that requires reflexes, luck and a strong stomach! Beat the highscore in the thrill of speed, discover funny special effects and die in different brutal ways! Get JOOL now and play one of the most loving games in the App Store!


• Great graphics and special effects
• Simple and balanced gameplay
• One-Finger-Control
• Infinite level design
• Extraordinary missions
• Bizarre upgrades
• Really nasty death animations
• Universal App
• Optimized graphics as well for iPad4, iPhone5 and iPad Mini

For more information and a gameplay trailer visit us on: or

We are still working on more, please like us on facebook and send us your ideas in the feedback section!

What's New in Version 1.1.4

- Added Advertisements
- Fixed a bug that caused a crash while downloading movies under iOS 5
- Other improvements and bugfixes

Version 1.1.1

Hey folks, we've made some changes in JOOL to get rid of the long downloading times! There is no downloading screen anymore! Have fun!

- Improved balancing
- Improved asset downloading
- Bugfixes and some other interesting enhancements

Version 1.1.0

Thanks so much for your support everybody, here comes the first major update! It includes several new joolish things like 21 extraordinary missions and some really bizarre upgrades! Like us on for more updates in future!

- NEW: 21 weird missions for a more intense experience!
- NEW: 8 new upgrades in the shop including Hypertrips and Dwarf Herb!
- Added the possibility to restart a game
- More bugfixes and stability improvements


iPhone Screenshot 1
iPhone Screenshot 2
iPhone Screenshot 3
iPhone Screenshot 4
iPhone Screenshot 5
iPad Screenshot 1
iPad Screenshot 2
iPad Screenshot 3
iPad Screenshot 4
iPad Screenshot 5

Customer Reviews

DEVS ATTENTION: I LOVE IT but... there are some bugs...

So as soon as I got this game, I loved it (and still do), so I bought all the deaths thing in the shop and installed the videos, however, they never seem to play when I die in-game, there is a 90% chance it will keep playing the same one over and over, I tried to even fix this by uninstalling the app, reinstalling, and re-downloading the videos, but still no luck, so the purchase was pretty much useless, I REALLY hope this gets fixed, also, I noticed the "flip" counter has never went up, it remains at 0... Tech Specs are iPhone6 16gb model. I will gladly review with a full 5 stars once these bugs get fixed.

Somewhat broken game

This game is somewhat broken. Below are the pros and cons:

Great graphics
Fun animation
Great gameplay idea

Control mechanics are bad (there is something wrong here—he needs much more room to land on a platform than you would think. You can’t be close, you have to overshoot platforms by almost 50% for computer to register it and not have you fall through it. Because of this it is almost IMPOSSIBLE to cut it close on platforms or adequately time jumps). If this were fixed, the game would be playable. This flaw makes getting the “jump 30 times on the bottom platforms” achievement almost impossible, because they are so spaced apart that even when they are close enough to jump to, the characters quite can’t make the landing and fall to the side of it. Horrible)
Pay to play. ROSTLAUB take note. CONSUMERS HATE PAY TO PLAY. I know it makes money and devs love it for that reason, but just charge us up front for the game.

Overall, it’s ok. I want to like it and play it much more than I do, but it frustrates me to no end because of its coding flaws that I am deleting it from my iPad Air.

SUCH a cool game!

To people who need to be hand-held because they can't do anything for themselves, this game is not for you because you will whine about not understanding.

To people who love art, quirky fun, puzzles, endless runners, or simply have an open mind and know how to have fun, grab this real quick!! :D

I wasn't sure what this would be like at first, but I LOVE the funky graphics and offbeat humor. Stuff like this is my favorite!

It's super fun to combine different effects to see what happens (schizophrenic break, haha), and to figure out the little tricks to accomplish missions, like getting into crazyass black & white space. I also noticed you have to change your playing style because the two characters move slightly differently, and objects behave a little differently in the two worlds as well.

Good job!

View in iTunes
This app is designed for both iPhone and iPad
  • Free
  • Category: Games
  • Updated:
  • Version: 1.1.4
  • Size: 212 MB
  • Languages: English, German
  • Seller:
Rated 12+ for the following:
  • Infrequent/Mild Horror/Fear Themes
  • Infrequent/Mild Profanity or Crude Humor
  • Infrequent/Mild Alcohol, Tobacco, or Drug Use or References
  • Infrequent/Mild Cartoon or Fantasy Violence

Compatibility: Requires iOS 5.0 or later. Compatible with iPhone, iPad, and iPod touch.

Customer Ratings

Current Version:
All Versions: