Here is the full list of all 39 SpellForce 3 achievements.
Beat the SpellForce III campaign.
The fate of Nortander lies in your hands.
You fulfilled a task for the Elder Dragon.
Learned how to summon Titans.
Slew the Elder Dragon.
Brought a tribute to the God-King.
Reached hero party level 20 in the campaign.
Unlocked the orc faction and upgraded it to the maximum.
Unlocked the elven faction and upgraded it to the maximum.
Unlocked the human faction and upgraded it to the maximum.
Completed the Mentalist Ritual at Aonir's Blade.
Gave more than the bare minimum when asked for help.
Rallied all possible companions to your cause.
Sided with the Deathmen in Aonir's Blade.
Sided with the Iron Falcons in Aonir's Blade.
Gained the allegiance of the Orcish Firewielders.
Gained the allegiance of the Wayfarers.
If only real life were as simple as that.
Helped all of the Refugees in Farlorn's Hope.
Defeated the Nortander army in the Iskander Wilds.
Gained the allegiance of the Morhir Elves.
Claimed Mulandir as your base of operations.
Dealt with Alistair.
Escaped the Grey Keep with a new ally.
Finished Liannon.
You avatar died.
Got your first level up.
Stop touching the workers!
You annoyed the composer by muting the ingame music.
Freed all the prisoners when escaping from the Grey Keep.
You were killed by peaceful wildlife.
Reached the maximum hero party level in the campaign.
Defeat a human opponent in PvP.
Played the campaign together with a friend.
Those prisoner clothes really look good on you.
Played a practice skirmish match against the AI.
Fully upgraded Isgrimm's armor.
You were killed by a tiny spider. That's actually pretty impressive.
Defeated the Orcs in Farlon's Hope without producing extra units.