Full list of all 59 Original War achievements.
The base game contains 22 achievements, and there is 1 DLC pack containing 37 achievements.
Complete Russian campaign on any difficulty
Kill Macmillan
Complete Tsaritsyn's quiz with all correct answers
Stay with Russians
Stay with Platonov
Let the Arab build the mortarmen barracks but don't hand over Heike to them afterwards
Hand over the Arabs building mortarmen barracks for you to UPF
Make Lisa and Joan betray Americans
Complete American campaign on any difficulty
Make Legion join your forces
Drop a siberite bomb
Kill Gorky
Join the Alliance
Employ the mercenaries
Stay with Americans
Before entering the EON attack your own men
Don't enter the EON
Collect over a 1000 crates
Spare Kurt
In any mission have more Apemen in your service than people
Prevent the Russians from building their second base
Stepped into the EON
Build a behemoth vehicle.
Make the deal with Heike.
Save Vsevolod and all his men.
Don`t save Vsevolod.
Kill Hugh Stevens.
Destroy Omicron without building a second depot.
Don`t save Scholtze.
Destroy the bunkers on both sides of the cliff.
Don`t save Kirilenkova
Kill all apemen at the waterfall before Kirilenkova appears.
Complete Alliance campaign on any difficulty.
Help Joan defend Kappa base
Don`t save anyone.
Don't let the two Russian cargo bays escape
Capture one of the Russian tanks
Defeat the Russians without the help of Major Sikorski
Destroy the southern Russian base before it's fully built
Destroy all Russian buildings on the map (mission Payback Time).
Kill Kurt.
Let Joan die
Tame all apemen on the map (mission Soul of Apeman).
Lose Jeff Brown and Lucy Donaldson.
Destroy Russian base
Build 6 or more solar vehicles
Get all your men to top side of the map before Andy calls you and tells you to attack
Don't save the people south of the river
Kill Mikhail.
Save all people that land in this mission