3D Tutorials:
-Effects
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Phaser Tutorial
Hull Damage
Sphere Explosion Tutorial

-Modelling
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Modelling 101
Shapemerge 101
Array 101

-Lighting
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7 Point lighting

-Texturing
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Mr Smilie [Material Editor Basics]

2D Tutorials:
Making Textures

Misc Tutorials:
Euphoria's Basic Web Rules