Overworld, The Dragon Mage Saga by Rohan M. Vider

SPFBO7

A magic apocalypse. Refugees from Earth. A new world. Elves, orcs, and dragons! Portals from Overworld have appeared on Earth, and beings intent on conscripting humanity into the mysterious Trials have invaded. Earth is doomed. Humanity has been exiled. Can Jamie save mankind? Jamie Sinclair, a young man with unique gifts, must find a way for his family and friends to survive Earth's destruction and build a new home in Overworld. The Trials is not a game. Will Jamie survive its challenges? Join Jamie as he struggles through the brutal Trials while wrestling with his new magics and Overworld's game-like dynamics. A fantasy post-apocalyptic survival story of one man's journey to save humanity.

Free Agent (Chronicles of Myelad #1) by Rohan M. Vider

SPFBO6

The start of an epic fantasy adventure... Of a game played between gods where the playing field is the world itself and the pieces, living beings. A young man is caught unwittingly between, in a strange world, without allies or help, and must battle for survival using his wits and magic alone. Pawn or Player...his fate is his to decide...which will he prove to be? Accidentally summoned from Earth to the world of Myelad, Kyran becomes embroiled in an eons-old war between the gods. Earning their ire, he is sentenced to die. To escape the gods' trap, Kyran must become a player in their game that even the gods would learn to fear... For those who enjoy epic tales of fantasy, this is a coming of age story of Kyran Seversan, a young man from Earth, stranded in another world where magic not only exists, but is part of an elaborate game between immortals. Please note this is an adaptation of the original works, the Gods' Game. Enter the world of Myelad and join Kyran on his epic journey!