Time is only a concept
Complete the Aftermath missions
The Best Around
Complete all Tiberian Dawn missions on the hardest difficulty
Complete the Counterstrike Missions
Red Alert Historian
Unlock all Bonus Gallery content in Red Alert
Collectively build 500 aircraft across all sessions in Tiberian Dawn and Red Alert.
Cloak and Daggers
Complete all Covert Operations missions in Tiberian Dawn
Complete all the Red Alert campaigns missions on hardest difficulty
Unlock all Bonus Gallery content in Tiberian Dawn
Complete all Spec Ops bonus missions in Tiberian Dawn
Befriend the Robot Overlords
Play 10 skirmish matches between Tiberian Dawn and Red Alert
Complete all the "It came from Red Alert" missions
I've got a present for ya!
Collectively destroy 100 buildings with C4 across all sessions using the Commando in Tiberian Dawn, or Tanya in Red Alert.