head to head
Neither is simply harder - they are hard in different places. Injustice: Gods Among Us demands more reads; StarCraft demands more optimization.

Reads · Grand Arena
A DC fighter where Clash wager mind-games and character-specific stage interactions add layers to the competitive match.

Optimization · Grand Arena
A real-time strategy classic where perfected build orders and mechanical speed decide most matches.
Injustice: Gods Among Us leans Reads (Grand Arena); StarCraft leans Optimization (Grand Arena).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Injustice: Gods Among Us
Wager and clash system adds readable but executable decision points
StarCraft
APM and micro control ceiling is huge
Injustice: Gods Among Us leans clearly harder on reads.
Injustice: Gods Among Us
Clash wager reads and opponent pattern prediction against humans
StarCraft
scouting and predicting human opponent builds
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Injustice: Gods Among Us
No RNG; match flow is transparent
StarCraft
minimal hidden info beyond fog of war
StarCraft leans clearly harder on optimization.
Injustice: Gods Among Us
Character tier matchups and stage interaction abuse reward study
StarCraft
build orders and economy are near-solvable
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.