Every senior game players should remember the classic DOS game in those days - Wolfenstein 3D (released in 1992), which is probably the first FPS game you came into contact with (the ancestor of all FPS games that came out even earlier than DOOM, for example: Quake series, Unreal series). I do believe that a number of players just started to like FPS games affected by this game.
Wolfram (AKA: Wolfenstein 3D Remake) is a modern HD remade edition of the classic DOS game Wolfenstein 3D, which was developed by John Carmack from id Software in 1992, and treated as the first game work of First Person Shooter (certainly, as early as 1973, the Maze War born in NASA's PDS-1 computer is the only real originator). It was made by Chain Studios from Russia using the Volatile3D II game engine in 2012, released for free.
Virtua Cop (AKA: Virtua Squad) is a series of first-person light-gun shooter games with 3 works Virtua Cop (1994), Virtua Cop 2 (1995) and Virtua Cop 3 (2003). Virtua Cop: Elite Edition (AKA: Virtua Cop: Re-Birth) is a bundle edition of Virtua Cop and Virtua Cop 2 (along with bonus unlockable artwork) released for PlayStation 2 in 2002.
On the face of CastleMiner Z, I guess most players are likely to think it as a MOD of MineCraft. In fact, they just look alike. CastleMiner Z is an action-adventure game with very high playability. It was developed by DigitalDNA Games, based on sandbox gameplay, and belongs to the survival type of zombie horror game.
Kick Ass Commandos is a retro-style, fast-paced shoot 'em up small indie game developed (using Unity) and published by Anarchy Enterprises. The whole game uses the classic pixel style, comes with addictive and stimulating operations, as well as explosive scenes everywhere and driving rhythm. All of these do bring a lot of fun to 2D shooting game fan players.