Kill an Enemy in a singleplayer mission

Get killed in a singleplayer mission

Kill an enemy with a headshot in singleplayer

Complete the singleplayer mission Operation Suburban Dawn.

Complete the Singleplayer mission Silent Strike.

Complete the singleplayer mission Redline Intrusion.

Complete the singleplayer mission Iron Fist.

Find the secret in the mission Operation Suburban Dawn.

Find the secret in the mission Silent Strike.

Find the secret in the mission Redline Intrusion

Find the secret in the mission Iron Fist.