Sonic The Hedgehog: Obtain a Chaos Emerald

Completed "Reilly's Rangers"

Completed "Following in His Footsteps"

Completed "Big Trouble to Big Town"

Completed "The Power of the Atom"

Took the G.O.A.T.

Completed 25 Challenges on Expert

Played a set in Eastern Europe

Establish a beachhead at Peleliu Island on any difficulty. (Solo only)

Radio in a naval bombardment that kills at least 4 Japanese soldiers.

Take out a Japanese soldier lying in wait in the grass.

Save the soldier before he burns to death.