head to head
Grand Theft Auto V asks more than Assassin's Creed: Liberation HD, and the gap is execution.

Optimization · Practiced Mastery
Stealth route planning through scripted guards with a forgiving execution floor.

Execution · Practiced Mastery
Sandbox crime playground spanning shooting, driving, and a persistent online economy.
Assassin's Creed: Liberation HD leans Optimization (Practiced Mastery); Grand Theft Auto V leans Execution (Practiced Mastery).
Grand Theft Auto V leans clearly harder on execution.
Assassin's Creed: Liberation HD
Forgiving parkour and counter-based combat
Grand Theft Auto V
Driving and shooting demand decent inputs.
Grand Theft Auto V leans clearly harder on reads.
Assassin's Creed: Liberation HD
Guard AI runs simple fixed routines
Grand Theft Auto V
Online PvP exists but mostly gear/positioning, not modeling.
Grand Theft Auto V leans a little harder on variance, though the gap is small.
Assassin's Creed: Liberation HD
Patrols and objectives are static once scouted
Grand Theft Auto V
Some mission and lobby randomness.
Assassin's Creed: Liberation HD leans a little harder on optimization, though the gap is small.
Assassin's Creed: Liberation HD
Persona system and stealth routing are the real layer
Grand Theft Auto V
Heists, money loops, builds learnable.
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.