Operation Helix is a paid and fun Books game developed by Verlagsgruppe. The latest version of Operation Helix for iOS is v1.0 with the 52Mb of file size. Read our review of the iPhone version for more details on the game.
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App Store users: Before you can download Operation Helix for iPhone or iPad, you must have an active iTunes account. If you don’t have, please register to iTunes App Store with a credit card. In case you are not interested to open an account with your credit card number, you can select the option ‘None’ during the secured registration.