80% Proficiency - With years of experience using Unity I'm confident in my ability to tackle just about any project using it.
60% Proficiency - confident in my ability to work with this engine, but some more technical aspects are yet to be learned.
80% Proficient - Ready to hit the ground running with my years of experience.
60% Proficient - Rusty, but fully confident in tackling any problem given a bit of time.
60% Proficiency - Similar enough to C#.
50% Proficiency - Solid understanding of the basics, though using it feels far from natural.
40% Proficiency - Though I may understand the basics I still have much to learn.