Realms Series by Jeff Povey

Rev would rather be anywhere in the world than stuck in detention with an assortment of the school losers. But as they leave school, the group discover that they are the only ones left in the town - maybe even in the whole world - with no sign of their families, friends… or anyone at all.Until they come across duplicate versions of themselves, beings exactly like them but wound up by about 1000% - stronger, faster… better. And their doppelgangers aren't at all pleased to see them... moreRev would rather be anywhere in the world than stuck in detention with an assortment of the school losers. But as they leave school, the group discover that they are the only ones left in the town - maybe even in the whole world - with no sign of their families, friends… or anyone at all.Until they come across duplicate versions of themselves, beings exactly like them but wound up by about 1000% - stronger, faster… better. And their doppelgangers aren't at all pleased to see them. In fact, they want them dead… Forced to work together to escape, the incongruous group of teens find themselves bonding despite themselves, both romantically and as friends, as they discover they have been transported to a parallel realm. Somehow they have to find their way back home. But not all of them are going to make it out alive. less

Just when you thought the apocalyptic detention was over...Having fought their way back to what they believe to be their home world, Rev, GG and The Ape discover that they're now stuck in the nightmarish world of doppelgangers, surrounded by a town of super-powered killing machines. Johnson, Billie and the Moth are still trapped in the empty world. Alive, but with no way home. Can Rev get the misfits back together? And even if she can will she be able to do it before the world ends... moreJust when you thought the apocalyptic detention was over...Having fought their way back to what they believe to be their home world, Rev, GG and The Ape discover that they're now stuck in the nightmarish world of doppelgangers, surrounded by a town of super-powered killing machines. Johnson, Billie and the Moth are still trapped in the empty world. Alive, but with no way home. Can Rev get the misfits back together? And even if she can will she be able to do it before the world ends. Time is running out... And believe it or not that's the least of their problems. less