| Question 1: ________ Game Blender's Physics engine | |||
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| Question 2: This plugin has since been discontinued for security reasons, though there has been some effort to revive it (an updated alpha version for ________ has been released, and Firefox and COLLADA support is under consideration). | |||
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| Question 3: Like Blender, it uses ________, a cross-platform graphics layer, to communicate with graphics hardware. | |||
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