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

Execution · Practiced Mastery
A simple licensed dungeon crawl testing patience more than mechanical skill.

Optimization · Practiced Mastery
The genre-defining 3D open-world crime game set in Liberty City.
Adventure Time: Explore the Dungeon Because I Don't Know! leans Execution (Practiced Mastery); Grand Theft Auto III leans Optimization (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Adventure Time: Explore the Dungeon Because I Don't Know!
Simple beat-em-up swings with little twitch pressure
Grand Theft Auto III
Driving and clunky gunplay set a modest physical bar
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Adventure Time: Explore the Dungeon Because I Don't Know!
Dungeon monsters follow scripted behaviour
Grand Theft Auto III
Enemies are scripted; nothing models the player
Adventure Time: Explore the Dungeon Because I Don't Know! leans a little harder on variance, though the gap is small.
Adventure Time: Explore the Dungeon Because I Don't Know!
Floor layouts and drops shuffle modestly per run
Grand Theft Auto III
Pedestrian and traffic chaos lightly randomises encounters
Grand Theft Auto III leans a little harder on optimization, though the gap is small.
Adventure Time: Explore the Dungeon Because I Don't Know!
Token spending and character picks are shallow planning
Grand Theft Auto III
Mission routing and city knowledge are learnable systems
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.
full breakdown
Adventure Time: Explore the Dungeon Because I Don't Know! →
full breakdown
Grand Theft Auto III →