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Per Jason Gregory ('Game Engine Architecture' 3rd ed.), the typical engine SUBSYSTEM startup order is bottom-up. What initialises first among these?
AGameplay scripting and AI systems
BGame-specific UI menus and HUD
CPersistent player save-game data
DLow-level platform layer + memory manager
Answer & Solution
Correct answer: D. Low-level platform layer + memory manager
Gregory Ch. 1 / 5: platform abstraction + memory before everything else. Subsystems higher up assume these exist. Shutdown reverses the order.
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