You can create your own games and then capture the footage from those. These programs enable you to create your own games. Varying degrees of programming etc ability are needed.
Dark Basic and Dark Matter - If you're an experienced programmer then you will be making games in a matter of minutes, but don't worry if you're not: this utility will guide even novices through the basics of game making, allowing you to have fun creating while expanding your knowledge. Its simple-to-use interface allows you to go from command-line programming to game-play testing in one easy function-key press. The 25 in-programme tutorials guide you through all the different elements of the programme, using 45 demos to show you line by line how to make your creation. You will be playing your own first-person shooter or flight simulator in a matter of hours.
DarkMatter aims to fill the artistic void with a large selection of pre-built and pre-skinned 3-D models and hundreds of textures, which can be applied to any user created objects. The ready-built models are provided in .3DS and .X formats ready for import into a wide variety of modelling programs as well as 3-D gaming creation tools like DarkBasic and Blitz Basic 3-D.
FPS Creator - First Person Shooters are one of the most enduringly popular game genres. Now, for the first time, anyone can make their own action packed FPS games without any programming or 3D modelling knowledge. Bringing a new benchmark to game creation, the innovative and multi-featured FPS Creator has been three years in development and offers an easy, yet flexible editing environment where you can achieve high quality gaming result in no time at all.