Steambirds Survival HD|遊戲線上App不用買

Steambirds Survival HD, the sequel to the hit game Steambirds (first released in 2010 and played by over 12 million people worldwide) is brought to you by its original creator, Spry Fox, and by Halfbrick, the developer of Fruit Ninja and Jetpack Joyride!Steambirds: Survival HD features 10 unique aircraft and 80 unique missions. Each plane in SBS HD has its own strengths and weakness which will require you to change your strategy if you want to succeed. You'll also need to collect powerups dropped by enemy aircraft; grabbing and using these at the right time will be the key to your survival.***************************************IMPORTANT NOTE FOR CURRENT CUSTOMERS: If you have previously purchased the "unlock all cities" upgrade, after you update the game, the cities may once again appear locked. This is easily rectified! Just verify in iTunes Purchase History that your purchase is there, then click the "buy" button again (you won't be charged twice.) If for some reason the purchase is *not* showing up in iTunes, just email us and we'll help you.***************************************

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