All articles ← Knowledge Base Algebra: How do I solve level ... ? Android installation notes and potential issues Angrerett Bug / All / problem reporting tips Bug / All Versions / Imperfect level definitions Bug / All Versions / Island locked but I completed all levels in the previous one Bug / All Versions / Saving profiles in chapter 4 Bug / Android / DragonBox 5+ unusable after upgrade to ICS Bug / Android / Installation failed: "Failed to install on phone or external SD card" Bug / Android / Screen orientation issue on some phones (HTC Desire / HTC Detail / etc) Bug / Math Contradictions ("Error / x") Bug / The game or the phone is unresponsive. How do I fix it ? Bug / Windows / problem reporting tips Bugs / IOS / DragonBox unusable after upgrade to IOS 5 DragonBox Chess FAQ DragonBox helper codes DragonBox on Chromebooks How can I stay updated about your products ? How do i start the game after creating an avatar How to sign up for Teacher Access Is there a hint/help section for DragonBox Algebra 5+? Issue / Account login: SSL handshake failed No sound in apps on iOS Refund policy Report a hardware related problem Suojattu tila Huawei-tabletissa Use of dragons, pentagrams and other pagan symbols What is the difference between DragonBox 5+ and DragonBox 12+ ? What is your next project? What permissions are required on Android ? Where is the Math ? Where to buy DragonBox for Android Why does DragonBox use a dot (.) for multiplication ?