Action
The action game is a video game genre that emphasizes physical challenges, including hand–eye coordination and reaction-time. The genre includes diverse subgenres such as fighting games, shooter games, and platform games, which are widely considered the most important action games, though some real-time strategy games are also considered to be action games. Read the full article at the Wikipedia.
Star Conflict
(27 Feb 2013)Star Conflict is an action-packed, massively multiplayer space simulation game that puts players in the role of elite pilots engaging...
Genre: Shooter, Adventure, Simulation, Action 
Dragons and Titans
by Wyrmbyte
(12 Mar 2014)
Dragons and Titans is a fast paced MOBA with classic RPG elements.
Genre: Strategy, Adventure, Action 
Robocraft
by Freejam
(8 Jul 2014)
Build insane, fully customisable robot battle vehicles that drive, hover, walk and fly in the free-to-play action game Robocraft.
Genre: Shooter, Strategy, Adventure, Simulation, Action 
The Forgotten Ones
(16 Jul 2014)Losing his parents during the holocaust to a mad man of a doctor.
Genre: Shooter, Adventure, Action 
Killing Floor - Toy Master
by David Hensley and Alex Quick
(16 Oct 2014)
In a free, add-on mod for Killing Floor, created by David Hensley (with help from Killing Floor originator, Alex Quick), you can fight...
Genre: Shooter, Action 
Double Action: Boogaloo
(23 Oct 2014)Double Action is a free stylish multiplayer game about diving, flipping, and sliding your way into action movie mayhem.
Genre: Shooter, Adventure, Action 
Gear Up
(28 Jan 2015)Feel the adrenaline as you control your unique tank in multiplayer arcade action! Build your ultimate war machine from over a million...
Genre: Shooter, Strategy, Adventure, Simulation, Action 
Codename CURE
(17 Jul 2015)Codename CURE is a first person, co-operative zombie game with support for up to five players, providing dynamic, fast-paced zombie...
Genre: Shooter, Adventure, Action 
Fishing Planet
(11 Aug 2015)Fishing Planet is a FREE to play unique and highly realistic online first-person multiplayer fishing simulator developed for anglers...
Genre: Sports, Adventure, Simulation, Action 
Golden Rush
(23 Sep 2015)Golden Rush is a rather unusual fantasy MOBA for four teams.
Genre: Strategy, Action 
Air Brawl
by Landfall
(2 Jun 2015)
A fast paced multiplayer dogfighting game that focuses on creative weapons and game mechanics that reward skillful flying.
Genre: Action 