head to head
vs
Tony Hawk's Project 8vsTony Hawk's Underground
Tony Hawk's Project 8 leans Execution (Pure Mechanics); Tony Hawk's Underground leans Execution (Practiced Mastery).
Tony Hawk's Project 8Tony Hawk's Underground
Axis by axis
Execution8 vs 8
Even - both lean on execution about the same.
Reads0 vs 0
Even - both lean on reads about the same.
Variance1 vs 0
Tony Hawk's Project 8 leans harder on variance: Levels are fully deterministic
Optimization5 vs 6
Tony Hawk's Underground leans harder on optimization: Mission and score-line routing remain solvable
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.