While the series is known for stealth, Odyssey is a full-blown Spartan RPG. You play as Alexios or Kassandra, a mercenary (Misthios) of Spartan blood. The game features massive "Conquest Battles" where you join the Spartan army to reclaim territories.
Many free Spartan games use "rewarded video ads" for extra gold. When you are offline, these ads cannot load. spartan games offline