The Trojan Horse is an idol in the Walls of Troy multiplayer map and is the target for the Trojans team. The Spartans try to protect this while trying to destroy the Statue of Apollo. It also appears on the Troy background for the Combat Arena of God of War: Ghost of Sparta.
The Trojan Horse is the subterfuge, devised by Odysseus, that the Greeks used to enter the city of Troy and end the conflict. In the canonical version, after a fruitless 10-year siege, the Greeks constructed a huge wooden horse, and hid a select force of men inside. The Greeks pretended to sail away, and the Trojans pulled the horse into their city as a victory trophy. That night the Greek force crept out of the horse and opened the gates for the rest of the Greek army, which had sailed back under cover of night. The Greeks entered and destroyed the city of Troy, decisively ending the war.