Sky Force

Sky Force is a vertically scrolling shoot 'em up video game series created by the Polish video game developer Infinite Dreams Inc.. The gameplay is reminiscent of Capcom's 19XX series and Seibu Kaihatsu's Raiden series, featuring a weapon upgrade system and large end of stage bosses. Sky Force Reloaded: The second outing was initially released for Symbian, Pocket PC and Palm webOS in 2006 and was later released for iOS (2009), Iphone ios 7 (2010) and PSP (2011). The PSP version of "Sky Force Reloaded" was simply named "Sky Force". The 2D graphics style of the first title was combined with some 3D polygon objects like destructible towers. It received a remake for mobile in 2016, with a PC, PlayStation 4, and Xbox One versions released in 2017, and also a Nintendo Switch version released in 2018.