Counterstrike is the first add-on pack for Command & Conquer: Red Alert. It adds new units to Red Alert such as Wonderdogs and Super Jets, as well as giving players new missions and unlocking the secret of the Ant Missions hinted at in the original Red Alert manual.
The second and final Command & Conquer: Red Alert add-on which adds powerful units like Chrono Tanks, Tesla Soldiers, M.A.D. Tanks, and other such marvels into the game, in addition to adding even more missions to this already wonderful game. Can be stack-installed with Counterstrike.
"So, Aftermath is the last Red Alert 1 add-on?"
"I'm afraid so."