Here is the full list of all 22 Far Cry Classic trophies - there are 5 bronze, 9 silver, 7 gold and 1 platinum.
Complete Training mission.
Run over 5 enemies while driving a vehicle.
Unlock All Trophies in FarCry Classic.
Complete Dam level without equipping a weapon on person (mounted weapons are allowed).
Do not die while Doyle hacks the entry gates.
Complete Treehouse without dying.
Do not let Valerie die even once in Swamp.
Complete the game in Hard or Realistic difficulty.
Collect the Key card in Research without alerting anybody!
Defeat Krieger.
Kill the Traitor with a melee attack.
Complete a level with full health and armor.
Kill Crowe with a headshot.
Complete Pier Mission.
Complete Steam Mission.
Complete Rebellion Mission.
Complete Swamp Mission.
Complete Volcano Mission.
Fall over 150m and survive.
Get a headshot kill from 500m.
Score 1 kill each from a land, maritime and aerial vehicle.
In Bunker, make the Mercs and the caged Trigens mingle with each other