Here is the full list of all 53 First Strike: Final Hour achievements.
Won with every Nation!
Beat Hardcore Mode with Kazakhstan
Beat Hardcore Mode with every Superpower!
Achieved World Peace!
Beat Hardcore Mode with North Korea
Beat Hardcore Mode with Australia
Beat Hardcore Mode with Iran
Beat Hardcore Mode with Israel
Beat Hardcore Mode with Russia
Unlocked all Superweapons!
Beat Hardcore Mode with Europe
Beat Hardcore Mode with India
Won against 9 opponents!
Played more than 20 games!
Beat Hardcore Mode with South Africa
Beat Hardcore Mode with China
Won with Israel
Won against 8 opponents!
Deciphered end message!
Beat Hardcore Mode with Brazil
Won against 10 opponents!
Beat Hardcore Mode with USA
Played as Israel
Played as Australia
Won with Australia
Won twice playing as North Korea!
Occupied all of Oceania!
Played as North Korea
Won with North Korea
Played more than 10 games!
Played as Iran
Won as Iran
Won twice as India & Pakistan!
Played as India & Pakistan
Won with India & Pakistan
Played as China
Won with China
Won twice as Russia!
Played as South Africa
Won with South Africa
Won twice playing as Europe!
Play as Russia
Won with Russia
Won twice playing as the USA!
Played as Europe
Won with Europe
Occupied all of Africa!
Played as Brazil
Won with Brazil
Played as the USA
Won with the USA
Occupied all of South America!
Played more than 50 games!