Here is the list of all the players involved in this game (some subs may be missing though) :

Abysia: KBTA
Agartha: Jakalor
Arcoscephale: Pyscobear
Atlantis: TheIronBird
Berytos: Red Rob
Caelum: Cozin
C’ti: nicknight7
Ermor: Jude
Fomoria: Psaro
Helheim: Silence
Hinnom: Lord Silverwood
Kailasa: Yowid
Lanka: Korfax
Machaka: Tibblediggins
Marverni: unimaginable23
Mictlan: zombiecat181
Niefelheim: Machine Ator
Oceania: Boba Fett
Pangaea: Inigo Montoya
Pelagia: Itwastuesday
Rus: Woodman
R’lyeh: Eldritch Gentleman
Sauromatia: EliteZeon
Therodos: Aran Zeminir, subbed by Lambert Simnel around turn 58
Tir na n’Og: ncarr99
T’ien Ch’i: Grim
Ulm: btonasse
Ur: Mekon
Vanheim: Soron
Xibalba: Darkrage_nl
Yomi: jehamo