Here is the full list of all 17 Raging Titan achievements.
This is your first battle. Do not disappoint mankind!
Fight 10 battles in your career!
Participate in 40 battles!
Command your units in 80 battles!
Build your first 5 towers!
Expand your defense to 50 towers!
Build 125 towers!
Build a defense force of 500 towers!
Destroy 100 enemies!
Demolish 1000 enemies!
2500 enemies wished they never came to Earth!
The attacking fleet surely won't try invading again - 5000 enemies killed!
It's the attackers now who run for their existence - 10000 enemies killed!
Win your first battle!
You seem to know how to deal with them. Win 5 battles!
Your enemies are shocked at your sight - win 15 battles!
You take our planet back - win 25 battles!