Help porters through a MULE or terrorist area for the first time.

Complete Episode 2: Amelie.

Restore your first memory chip.

Reach a total of 2,400 Likes on the Results Screen.

Change footwear for the first time.

Acquire your first piece of customization data.

Make your first donation of weapons, equipment, etc.

Send a shout out and have it returned for the first time.

Soothe a crying BB and stop the crying for the first time.

Complete your first structure (signs, ladders, and climbing anchors also count.)

Use the music player for the first time.

Give your first Like.