Sir Steel has a funny idea. In fact, he’s got lots of them! This time, he wants to build a hot air balloon. Made of steel! Will you lend him a hand?

Sir Steel is a peculiar chap. He actually doesn’t like anything. Not the sun, neither the fields of flowers. And he most certainly does not like other people. Sir Steel only likes one thing… steel!

One day, a highly unlikely idea pops into his head. He wants to build a hot air balloon! But… he won’t be able to manage this on his own. Will you help him out?

**Good news: in a few weeks Sir Steel will get an update with more mini-games for more gameplay**

**Optimized for iPhone 5, iPhone 6, iPad 4, iPad Air and iPad Mini 2 or newer devices**

• help Sir Steel build his hot air balloon and let it fly in three stages.
• animations and sound effects on every page.
• new music, specially created for Sir Steel.
• intuitive help function.
• parent portal.
• no text elements and spoken words, so fun for every age and every nationality.
• title languages: Dutch, English, German, French, Italian, Spanish, Portuguese, Danish, Swedish, Finnish, Irish, Russian, Japanese, Simplified Chinese.

Dutch author and illustrator Hanneke van der Meer won the Dutch Media Toddler Award twice and has frequently been featured by Apple.

Somoiso’s apps adhere to the guidelines for children’s apps:
• no in-app purchases
• no commercials
• no social media-links (only in the parent portal)
• our apps don’t collect personal information

Watch our video trailers and previews on

More Somoiso and Sir Steel on

What’s New

Version 2.0

• Added more mini-games for more gameplay!
• Corrected some localizations.

Ratings and Reviews

3.5 out of 5
2 Ratings

2 Ratings

evanmarc ,

Good simple game

Bought this a few years ago out of curiosity, played the game and thought it was fun and short. Fast forward and my kids found the game and they have enjoyed playing the game pretty regularly, which is a win in my book.

App Privacy

The developer, Luumen, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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