Please help me find it.
Apocalypse with a system, the main hero knows martial arts and his friend and father too (wrestling I think). At the beginning of the apocalypse, all older people are moved to the safety of the educational program, women are offered the same. Monsters with bosses and fog...
The main hero was a man with a shield, on the planet he lived in when he was 16-18 years old (I don't know exactly), he could be transported to another dimension (not once, but as a permanent portal back and forth). Fighting wild animals and protecting the land of humanity. Humanity there fights...