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

Optimization · Pure Optimization
Open-ended puzzles testing vocabulary-driven creative problem-solving more than any reflex.

Optimization · Pure Optimization
Idle shooter where automated guns and well-timed prestige resets dissolve cube fortresses.
Scribblenauts Unlimited leans Optimization (Pure Optimization); Time Clickers leans Optimization (Pure Optimization).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Scribblenauts Unlimited
Typing words is the only physical demand
Time Clickers
Manual clicking helps early, then automates
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Scribblenauts Unlimited
Puzzle NPCs are static requests, not minds
Time Clickers
Targets are inert cubes
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Scribblenauts Unlimited
Puzzles are visible; nothing meaningful is hidden
Time Clickers
Negligible randomness
Time Clickers leans a little harder on optimization, though the gap is small.
Scribblenauts Unlimited
Finding objects that satisfy puzzle constraints is creative problem-solving
Time Clickers
Weapon upgrades and time-warp resets drive everything
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.