G.U.N: Guardian Units of Nations (the game)

When Shadow the Hedgehog is an agent for G.U.N, he gets them involved in his search for his past. Many of the soldiers have become his friends and they help him along his way. They meet a girl named Hope Kintobor. Not only does she hold a strong resemblance to Maria Robotnik, she possesses all of Gerald's research which could give Shadow everything he's missing.