Here is the full list of all 12 Korix trophies - there are 8 bronze, 3 silver and 1 gold.
Build more than 50 walls in a single player level.
Finish the first campaign level.
Reach the maximum worker cap.
Reach the maximum attack unit cap.
Join first online game.
Total kills greater than 5,000
Assist another player in co-op.
Win an online "vs" match.
After base has been significantly damaged, destroy the enemy base.
Complete the campaign on any difficulty.
Win a 4 player "vs" game.
Win 20 online PVP matches.