head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is execution, and it is a single point.

Execution · Pure Mechanics
The defining mobile endless runner of swiping past cliffs, roots, and flames at increasing speed.

Execution · Pure Mechanics
An endless runner where players slow and speed time to dodge obstacles.
Temple Run leans Execution (Pure Mechanics); Time Surfer leans Execution (Pure Mechanics).
Time Surfer leans a little harder on execution, though the gap is small.
Temple Run
Swipe reactions at ever-rising speed
Time Surfer
precise timing-based reflex dodging
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Temple Run
The demon monkeys never adapt
Time Surfer
no opponent, solo endless runner
Temple Run leans a little harder on variance, though the gap is small.
Temple Run
Procedural track segments each run
Time Surfer
procedurally generated obstacle patterns
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Temple Run
Powerup upgrades and segment recognition help
Time Surfer
minimal strategic depth beyond reflexes
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.