For a game similar to 'Unreal' ...

Unreal

Unreal

1998  First-person shooter - Microsoft Windows Mac OS - multiplayer  
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Unreal - Wikipedia Unreal is a first-person shooter video game developed by Epic MegaGames and Digital Extremes and published by GT Interactive in May 1998. It was powered by an original gameplay and physics engine that now bears the game's name, one that had been in d ...   more on Wikipedia

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Action adventure RPG Shooter Racing Platform Strategy Fighting Simulation puzzle MMORPG Music Arcade Fantasy Eroge Sports game Visual novel Survival horror Third-person shooter First-person shooter

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Microsoft Windows Sony PlayStation 2 Xbox 360 Sony PlayStation 3 Sony PlayStation iOS Nintendo Wii Nintendo DS Mac OS X Amiga Super NES PlayStation Portable Xbox GBA Nintendo Entertainment System Sego MegaDrive Android GameCube GNU/Linux Game Boy Saturn PlayStation Vita Nintendo 3DS Nintendo 64 Sega Dreamcast Game Boy Color Sony PlayStation 4 Wii U Sega Master System Sega Game Gear

... I can play

Serious Sam 3: BFE

Serious Sam 3: BFE

2011  First-person shooter - GNU/Linux Mac OS X Xbox 360 Microsoft Windows Sony PlayStation 3 - multiplayer  
Serious Sam 3: BFE is an action shooter developed by Croteam. If you want action and some action on top of that action and then more action to follow, Serious Sam 3 will do you justice. The legions of alien beasts, monsters, and mercenaries are invading earth, and it seems to be the final showdown that’ll decide who’ll handle the Earth In the upcoming future. Stand your ground and hold down your trigger, the swarms of beings are rushing in and it’s up to you to stop them all! Forget cover, strategical positioning, and retreat, Serious Sam is too serious for that king of nonsense.
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Serious Sam 3: BFE - Wikipedia Serious Sam 3: BFE is a first-person shooter video game developed by Croteam and published by Devolver Digital. It is part of the Serious Sam series and a prequel to The First Encounter. The game's story takes place in the 22nd century, during Mental ...   more on Wikipedia
Quake II

Quake II

1997  First-person shooter - Sony PlayStation GNU/Linux Nintendo 64 Xbox 360 Microsoft Windows - multiplayer  
Time for a trip down memory lane with Quake II, a first-person shooter that was a groundbreaking creation by id Software at its time! Shed tears of nostalgia as you battle for survival against a vicious race of aliens!
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Quake II - Wikipedia Quake II is a first-person shooter video game developed by id Software and published by Activision. It is not a direct sequel to Quake; id decided to revert to an existing trademark when they were unable to agree on a new name that did not violate an ...   more on Wikipedia
ARMA 2

ARMA 2

2009  First-person shooter - Microsoft Windows - multiplayer  
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ARMA 2 - Wikipedia ARMA 2[N 1] is a military simulation video game for Microsoft Windows, developed by Bohemia Interactive. It is the official sequel to the Operation Flashpoint series, following its predecessor, ARMA: Armed Assault (ARMA: Combat Operations in North Am ...   more on Wikipedia
Descent II

Descent II

1996  First-person shooter - Sony PlayStation Microsoft Windows - multiplayer  
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Descent II - Wikipedia Descent II is a 1996 first-person shooter video game developed by Parallax Software and published by Interplay Productions. It is the second game in the Descent video game series and a sequel to the original Descent. Unlike standard first-person shoo ...   more on Wikipedia
Quake Live

Quake Live

2010  First-person shooter - Microsoft Windows - multiplayer  
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Quake Live - Wikipedia Quake Live is a first-person shooter video game by id Software which runs on x86-based computers running Microsoft Windows via Steam. It was originally downloaded and launched via a web browser plug-in. On November 7, 2013 it was announced that Quake ...   more on Wikipedia
Unreal

Unreal

1998  First-person shooter - Microsoft Windows - multiplayer  
 Get game Unreal
Unreal - Wikipedia Unreal is a first-person shooter video game developed by Epic MegaGames and Digital Extremes and published by GT Interactive in May 1998. It was powered by an original gameplay and physics engine that now bears the game's name, one that had been in d ...   more on Wikipedia