War Core Series by Dean Henegar

Earth is under siege. For decades, the governments of our world have been fighting a desperate and secret battle to keep hordes of alien invaders away from our planet. When the guardian of the United States falls, a new champion must be chosen. Sadly, the choice of a champion isn’t ours to make, and the Galactic Conflict Authority selects a human, seemingly at random, to lead the United States of America’s efforts at holding back the tide... moreEarth is under siege. For decades, the governments of our world have been fighting a desperate and secret battle to keep hordes of alien invaders away from our planet. When the guardian of the United States falls, a new champion must be chosen. Sadly, the choice of a champion isn’t ours to make, and the Galactic Conflict Authority selects a human, seemingly at random, to lead the United States of America’s efforts at holding back the tide. Hugh Logan is in the middle of teaching a class when he is taken against his will and informed that he is now the newest member of Earth’s defense against alien invasion. He must give up everything to become our champion. He must give up everything to prevent our destruction. He must become… a War Core. War Core is a Dungeon Core series with LitRPG and RTS elements. less

Hugh Logan and the other human cores of the expeditionary force are back home, but the cost of keeping their allies alive has been a heavy one.Not happy about losing their prey, the Ssath continue to use the vast resources at their disposal to seek total victory over humanity. They will stop at nothing until Earth’s cores are defeated and the planet is transformed into a feeding ground and hunting preserve.Hugh and the other cores must prepare... moreHugh Logan and the other human cores of the expeditionary force are back home, but the cost of keeping their allies alive has been a heavy one.Not happy about losing their prey, the Ssath continue to use the vast resources at their disposal to seek total victory over humanity. They will stop at nothing until Earth’s cores are defeated and the planet is transformed into a feeding ground and hunting preserve.Hugh and the other cores must prepare. The enemy is closing in, and the next battle will be fought here on Earth. They’ll need every soldier, every mech, and every ally they can gather if humanity is to survive. less