Here is the full list of all 26 Golem Gates achievements.
Complete Chapter 1.
Kill 10000 units.
Complete 3 Versus games.
Use 5000 Unit Glyphs.
Force 50 enemy Units to change their allegiance.
Use 700 Structure Glyphs.
Destroy 1000 Structures.
Teleport the Harbinger 10 times.
Use a Vision Tech 100 times.
Use a buff or healing Tech on an allied Structure 100 times.
Clone or reanimate 500 units (holograms don't count).
Hide a stealthed unit in visible range of an enemy for over 30 total minutes across all matches.
Complete Chapter 5.
Complete 5 Trials.
Complete 10 Trials.
Complete Chapter 10.
Complete 20 Trials.
Complete the Campaign.
Complete all Campaign missions and all bonus objectives.
Complete all Trials.
Destroy 10 or more units with a single use of Fireball.
Destroy an enemy Artillery Cannon with your own Artillery Cannon.
Own a unit with 3 or more buffs on it.
Win a game while controlling zero energy nodes.
Deal the final blow to an enemy Harbinger with your own Harbinger or Projection.
Win a Survival game on Hard difficulty.