Today, Razer announced that a number of SteamVR titles are available for immediate play on their OSVR device. OSVR stands for Open Source Virtual Reality and includes a modular design that will allow you to upgrade various components on the VR headset once your computer is ready for a higher end experience. The OSVR dev kit starts at $300.

Right now, the SteamVR games that you can play on OSVR include:

You can take a look at OSVR at work in Half-Life 2 below, with more demo videos on the above list.