Here is the full list of all 45 Age of Cavemen achievements.
Upgrade Village Center to level 8.
Upgrade a Stone Storage to level 5.
Destroy 10 Village Centers in Opponent battles.
Remove 50 obstacles (trees, rocks, bushes).
Upgrade Tribe Tree to level 2.
Gain 50 stars on the Campaign.
Upgrade Village Center to level 5.
Destroy 10 Walls in Opponent battles.
Achieve a total of 75 honor in Opponent battles.
Unlock Dodo in the Warriors Cave.
Upgrade a Stone Storage to level 10.
Steal 3,000 Stone.
Steal 3,000 Meat.
Rebuild the Tribe Tree.
Remove 5 obstacles (trees, rocks, bushes).
Unlock Foxeye Spy in the Warriors Cave.
Gain 10 stars on the Campaign.
Upgrade Village Center to level 3.
Upgrade a Stone Storage to level 2.
Achieve a total of 750 honor in Opponent battles.
Achieve a total of 1250 honor in Opponent battles.
Gain 150 stars on the Campaign.
Successfully defend against 10 attacks.
Successfully defend against 250 attacks.
Successfully defend against 5000 attacks.
Destroy 250 Builder's Huts in Opponent battles.
Destroy 2500 Builder's Huts in Opponent battles.
Destroy 25 Builder's Huts in Opponent battles.
Destroy 100 Village Centers in Opponent battles.
Destroy 2000 Village Centers in Opponent battles.
Destroy 100 Walls in Opponent battles.
Destroy 2000 Walls in Opponent battles.
Donate 100 Tribe Tree capacity worth of reinforcements.
Donate 500 Tribe Tree capacity worth of reinforcements.
Donate 5000 Tribe Tree capacity worth of reinforcements.
Remove 500 obstacles (trees, rocks, bushes).
Steal 60,000 Meat.
Steal 1,200,000 Meat.
Steal 60,000 Stone.
Steal 1,200,000 Stone.
Unlock Sabertooth Rider in the Warriors Cave.
Upgrade Tribe Tree to level 4.
Win 25 Opponent battles.
Win 250 Opponent battles.
Win 5000 Opponent battles.