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It's only a 2.5D side-scrolling platform shooter, but somehow Double D managed to capture the intensity and wackiness of the Serious Sam FPSs. Hordes of well-known monsters from the 3D games and new baddies of all sizes, power-ups, secrets, it has it all. And lo and behold, the Gun Stacker system lets you combine and use multiple weapons as one massively insane superkillertool.

A demo is available on Steam.

Previously released as Railworks 2, Train Simulator 2012, Train Simulator 2013, Train Simulator 2014, Train Simulator 2015, and Train Simulator 2016; previous owners get free upgrades to the newest version.

RailWorks is a train simulation game developed by Rail Simulator Developments and exclusively available through Steam. It is a successor to Rail Simulator, and was originally released on 12 June 2009. A major update on 24 September, 2010 added a reworked user interface, now common to all electric, diesel and steam engines.

Super Meat Boy is a tough as nails platformer where you play as an animated cube of meat who's trying to save his girlfriend (who happens to be made of bandages) from an evil fetus in a jar wearing a tux.

Company of Heroes: Tales of Valor is the second standalone expansion to Company of Heroes. It remains a WW2 Real Time Strategy gamethat attempts to combine riveting, accessible real-time strategy gameplay with the cinematic sensibilities of World War II movies. The game supports multiplayer games for two to eight players via LAN or internet.

The original game and previous standalone expansion pack (Opposing Fronts) missions can be accessed through the same in-game menu once installed.

Company of Heroes: Opposing Fronts is a standalone expansion to Company of Heroes. It remains a WW2 Real Time Strategy gamethat attempts to combine riveting, accessible real-time strategy gameplay with the cinematic sensibilities of World War II movies. The game supports multiplayer games for two to eight players via LAN or internet.

The previous game and subsequent standalone expansion pack (Tales of Valor) missions can be accessed through the same in-game menu once installed.

Two hands to hold guns plus a pair of piranha-headed tentacles: use all the deadly tools at your disposal to kill with gruesome variety, and score big to unlock new skills and bonuses.

Naval Warfare is the PC version of the XBox360 game Aqua. Although it feels a bit dated now compared to Renegade Ops, it's a nice two-stick top-down shooter alternative for XP users. And seriously: steampunk boats !!

The game features a campaign, skirmish mode and 1vs.1 unsplit-screen multiplayer.