head to head
StarCraft asks more than Total Annihilation, and the gap is execution.

Optimization · Grand Arena
A real-time strategy classic where perfected build orders and mechanical speed decide most matches.

Optimization · Pure Optimization
Resource-grid RTS where metal extractor priority and factory efficiency form the decisive optimization layer.
StarCraft leans Optimization (Grand Arena); Total Annihilation leans Optimization (Pure Optimization).
StarCraft leans clearly harder on execution.
StarCraft
APM and micro control ceiling is huge
Total Annihilation
Constructor routing and unit grouping require consistent multitasking
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
StarCraft
scouting and predicting human opponent builds
Total Annihilation
Opponent expansion patterns must be scouted and predicted
Total Annihilation leans a little harder on variance, though the gap is small.
StarCraft
minimal hidden info beyond fog of war
Total Annihilation
Map metal spots are fixed; very little RNG in unit behavior
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
StarCraft
build orders and economy are near-solvable
Total Annihilation
Metal extractor priority and factory queuing are deeply optimizable
A matching score does not mean a matching test. Two games can both sit at 10 on execution and demand completely different things of you - which is why the reasoning above matters more than the number beside it.