Because the epochs last so long, "rushing" is rare. However, a specific strategy dominated the meta: By advancing to the Copper Age quickly, players could walk a citizen into an enemy base and drop a Sentry Tower right next to the enemy Town Center. Because towers are incredibly strong against early units, this often resulted in instant victory.
Released in 2001 by Stainless Steel Studios, Empire Earth didn’t just want you to build a base or command an army. It wanted you to rewrite the entire history (and future) of human conflict. empire earth 1 gameplay
Your journey begins in the Prehistoric Age (50,000 B.C.E.) with a Stone Axe-wielding villager and a single Scout. From there, you can progress all the way to the Nano Age (2200 C.E.), where you are building cybers and giant mechs. Because the epochs last so long, "rushing" is rare