Zhang Games today announced the release of its new independent game, The Time Portal (US$19.95), available on both Mac and PC. The Time Portal is a game that can be played by you alone or your whole family together. “Just sit down and relax. Concentrate on the pictures. Everyone can play and enjoy the quest for the hidden clues. And if you’re stuck, just click on the hint-button to get help,” notes the announcement. “In the darkest corner of your attic you find a letter from your long lost uncle. He explains to you that he has been kidnapped by a jealous scientist because he succeeded in inventing a time-machine. Your uncle has left you photos with hidden clues that show you the way to the time-machine. It is your task to reveal the clues, find the machine and rescue your uncle.”