Like above, it all depends on the interviewer and it is something you cannot predict.
Personally I have a slight preference toward keeping them apart.
For somebody experienced in the workforce I expect to see headings basically like this:
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Major Game Titles (Move to the top of the pile of applicants)
Work Experience Details (Wow me with details)
Education, optionally hobbies etc. (Tell me you have a broader background)
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For recent graduates just entering the work force I expect to see headings basically like this
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Education (This is your biggest set of accomplishments)
Work Experience (Show me you can hold a job flipping burgers, sweeping floors, or writing student code)
Hobby Game Projects / Portfolio (Show me you care about games)
(NO skills section, show don't tell.)
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For a recent graduate with a serious portfolio of games, I don't mind the order swapped a little:
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Hobby Game Projects (Your finished games are awesome, they are most significant)
Education (School is second most signicant)
Work Experience (You can hold a job flipping burgers or writing junior level code)
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If you want to mix them up, keep them all intermixed, I can cope with that by putting on my resume-reading glasses. When I'm in resume-reading mode I assume everything is inflated, that things like "Owner" and "CTO" mean "My buddy and I started a hobby project that failed", that Senior Developer with anything less than eight years work experience means "Worked at a desperate company giving out job titles and stroking egos rather than treating employees fairly".