Here is the full list of all 26 Power of Defense achievements.
Kill 100 robots in one match.
Reach 100.000 scores in one match.
Use level special to unlock this achievement.
Start the game if you dare...
Reach 500.000 scores in one match.
Win a match within 5 minutes.
Win a match within 10 minutes.
Win one match in multiplayer mode.
Win all battles on first platform.
Win all battles on second platform.
Win all battles on third platform.
Reach 1000 credits in one match.
Add your scores to the highscores.
Watch the Credits until the end.
Win 10 matches in multiplayer mode
Win 50 matches in multiplayer mode
Win 100 matches in multiplayer mode
Reach 1 million scores in multiplayer mode
Reach 5 million scores in multiplayer mode
Reach 10 million scores in multiplayer mode
Pass 20 robots through opponent's portal in multiplayer mode
Pass 50 robots through opponent's portal in multiplayer mode
Pass 100 robots through opponent's portal in multiplayer mode
Collect 1000 barrels in a match in multiplayer mode
Collect 5000 barrels in a match in multiplayer mode
Collect 10000 barrels in a match in multiplayer mode