Simple ray-caster experiment.
It's not perfect, but it's kinda working and I hope it can serve as starting point for some awesome 3D games - especially I am thinking about some cool dungeonrpg, that would be awesome!
Controls: arrows to move
Update 1.1:

added fish-eye effect reduction
added dynamic quality settings (when camera moves, quality is lowered)
draw distance, step & quality setting can be adjusted in code

Older versions:

License: -