The Secrets of Happy Hippo Isle English translation
Das Geheimnis der Happy Hippo-Insel
NikcDC's English patch for a German-only Game Boy Color platformer starring the Happy Hippos.
The game
This is a colourful side-scrolling platformer in which a little blue hippo runs and jumps across an island full of hazards and enemies. It was made for the German market, where the Happy Hippo characters were well known, and never got a release in other languages.
What's translated
NikcDC translated the game's German text into English. Version 1.0 came out in June 2012, and the patch was last updated in November 2015.
Playing it
Apply the patch to your own copy of the German cartridge's game following the readme. The patch's page on romhacking.net has the download and details.
The screenshots show the original German release.