Newt's Shoppe and Skyport

The Newt's Shoppe and Skyport (more commonly the shop) is where you can purchase items with your Coins in game. The Shoppe give a wide choice of things to purchase including Ships, Bonus Levels, Extra Difficulty Levels, and an Alternate Storyline. There are two achievements that can be unlocked by doing certain things in the Shoppe - one is to purchase your first item (Buy, Buy, Buy) and the other is for buying all items available in the Shoppe (The Centurion Card).

The price of the following items goes as followed:
 * Gauntlet Mode: 1,000 Ducats
 * Charge ship: 2,000 Ducats
 * Gunner ship: 5,000 Ducats
 * Bomber ship: 10,000 Ducats
 * Judgement Difficulty:
 * Hardcore Mode: 31,337 Ducats
 * Story Farce: 50,000 Ducats
 * Challenge Pack 2: 5,000 Ducats
 * Challenge Pack 3: 5,000 Ducats
 * Challenge Pack 4: 5,000 Ducats
 * Challenge Pack 5: 5,000 Ducats

And, for those who own the DLC:
 * Ghost ship: 5,000 Ducats
 * Treason ship: 10,000 Ducats
 * Fortune ship: 20,000 Ducats