Building comparison
head to head
Black MesavsMirror's Edge Catalyst
Neither is meaningfully harder - they pose close to the same test. The widest gap is execution, and it is a single point.
Black Mesa
Execution · Practiced Mastery
Fan-built ground-up remake of Half-Life with a reimagined Xen.
Mirror's Edge Catalyst
Execution · Practiced Mastery
Open-world reboot of Mirror's Edge centered on free-running across the city of Glass.
Black Mesa leans Execution (Practiced Mastery); Mirror's Edge Catalyst leans Execution (Practiced Mastery).
Black MesaMirror's Edge Catalyst
Axis by axis
Execution6 vs 7
Mirror's Edge Catalyst leans a little harder on execution, though the gap is small.
Black Mesa
Classic FPS aim and platforming sequences
Mirror's Edge Catalyst
Flow-state parkour with timing-based combat
Reads0 vs 0
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Black Mesa
Marines and aliens follow set scripts
Mirror's Edge Catalyst
Enemies are scripted obstacles
Variance2 vs 1
Black Mesa leans a little harder on variance, though the gap is small.
Black Mesa
Minor enemy placement surprises first run
Mirror's Edge Catalyst
Open world is static once explored
Optimization6 vs 6
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Black Mesa
Route, resource, and encounter knowledge
Mirror's Edge Catalyst
Time trials reward optimal route discovery
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.