Star Warfare:Alien Invasion：
Top 10 games in 62 countries in AppStore
Console-quality boss battles, 36 single player levels, multiplayer supported, tons of gear and unique avatars to collect!!
Solid single player mode
✓ Various enemies with rich AI
✓ Console-like smooth control
✓ 7 maps and 42 levels, loot can be used in solo and multiplayer modes