Nebula's Civilization

Seong-un Choi is the top-ranked player in the game 'Lost World,' the only player to have ever completed all of its achievements. Just as he revels in his triumph, a mysterious message summons him to the real 'Lost World.' There, he must compete against other top players, taking on the role of a god watching over a race of lizardmen and using his strategic prowess to build a civilization, all while vying for true godhood.