PERKS Perk points cannot go away once earned.   How to earn Perk Points (PP): -Have a nation 1 point -Reach 500 days old 1 point -Reach 1000 days old 1 point -Have 5, 10, 15, 20, 25 cities 1 point each -Reach 10,000 infra 1 point -Reach 25,000 infra 1 point -Reach 50,000 infra 1 point -Reach an average infra of 3,000 1 point -Have 25,000 land 1 point -Have 50,000 land 1 point -Have 5 projects 1 point -Have 10 projects 1 point -Reach 5,000,000 soldier casualties OR Killed 1 point