Great to see Alien Arena on this list. It should be mentioned that in version 7.20, the renderer received very extensive updates, and the game now makes good use of GLSL to achieve it's per-pixel lighting effects. Optimizations increased framerates dramatically as well. A new version is on the way shortly, and there is another long list of updates/improvements, as well as some new content that takes advantage of the engine advancements made over the summer.
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