Here is the full list of all 35 SpellForce 3: Fallen God achievements.
Finish the Fallen God campaign with the tribe.
Tinkerer
Fully assemble the body of Zarach's cub.
Solve the mosaic puzzle.
Revive a fallen hero.
Build every type of Ironbeak at least once.
Unlock all areas in the Temple of the Sacred Seal.
Sidegrade a Troll unit by sending it to a different school.
Succesfully train a War Bringer.
Escort the harvester for a second round.
Have Zazka carry five ingredients at once.
Complete the optional Brittlebone Fields mission.
Find all optional Time Windows in the Temple of the Sacred Seal.
Eat Chieftain Narjak's heart.
Summon Mugwa's Cub.
Use a Potion of Fresh Start.
Skip 100 dialogues.
Make a decision in the Mountain Village.
Find three hidden statues near the smith.
Fight dwarves with a special kind of uprising.
Collect the maximum amount of bone dust.
Collect all Hybernian Writings.
Finish the Fallen God campaign without the tribe.
Summon five Ancestor Spirits simultaneously.
Accumulate 100 Rage points with Noag.
Have Noag collect a total of 100 junk.
Have Grungwar buff Akrog's totem.
Play the Fallen God campaign in co-op with a friend.
Get your entire party killed.
Craft 50 items.
Spend 30+ hours in one playthrough of Fallen God.
Beat the Fallen God campaign on Circle Mage difficulty.
Win a ranked match playing Trolls.
Finish any ranked match.
Look at the credits of your own volition (or because you really want this achievement).