iPhone developer Tapulous has launched the latest artist spin-off from its Tap Tap Revenge games: Metallica Revenge. The game features branded visuals and tracks including Enter Sandman, One, Master of Puppets and For Whom The Bell Tolls. And for added rawk factor, there are new modes with four and five tap rails, rather than the usual three. The game has gone costs $4.99.
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Tools: Kaiber
In the year or so since its launch, AI startup Kaiber has been making waves,…