Building comparison
head to head
Grand Theft AutovsImpossible Mission
Neither is meaningfully harder - they pose close to the same test. The widest gap is execution, and it is a single point.
Grand Theft Auto
Execution · Practiced Mastery
The original top-down crime sandbox where you rack up points causing mayhem across three cities.
Impossible Mission
Execution · Practiced Mastery
C64 classic about somersaulting past robots to assemble a password.
Grand Theft Auto leans Execution (Practiced Mastery); Impossible Mission leans Execution (Practiced Mastery).
Grand Theft AutoImpossible Mission
Axis by axis
Execution5 vs 6
Impossible Mission leans a little harder on execution, though the gap is small.
Grand Theft Auto
Twitchy top-down driving and shooting under police pressure
Impossible Mission
Pixel-precise flips past patrolling robots
Reads0 vs 0
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Grand Theft Auto
Cops follow simple scripts; nothing adapts
Impossible Mission
Robots patrol on fixed behaviours
Variance3 vs 4
Impossible Mission leans a little harder on variance, though the gap is small.
Grand Theft Auto
Chaotic traffic and wanted-level escalation surprise players
Impossible Mission
Puzzle pieces randomized each playthrough
Optimization5 vs 5
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Grand Theft Auto
Score targets reward learning missions and city layouts
Impossible Mission
Search routing under the time limit
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.