Build and defend your Empire Island through the ages. 

Build up your population to raise taxes. Choose 30 different types of construction unit including several types of weapon, ranging from mud-ball towers and cannons through to advanced futuristic weapons such as lasers and missiles. Place defences including mines, explosive balloons and tesla coils.  Build banks and markets to increase revenue.

Call upon powerful Acts of God, such as Lightning, Tsunamis and Firestorms. 

Fend off ever more advanced enemies, starting from simple wooden boats, right up to alien invaders. 

Upgrade almost everything! 

One of the most advanced physics-based strategy games available.  This is a thinking-mans strategy game, not to be confused with a Tower Defence game.  If you find you are not earning enough money - you probably need to try a different strategy.

Walkthough here: http://armorgames.com/guide/empire-island-game-guide
Video Walkthrough: http://www.thepodge.co.uk/readarticle8.html