head to head
Destiny 2 asks more than Halo: Combat Evolved, and the gap is variance.

Optimization · Practiced Mastery
A looter shooter where build optimization gates raid and seasonal content.

Execution · Practiced Mastery
The console FPS landmark that introduced Master Chief and the ring world.
Destiny 2 leans Optimization (Practiced Mastery); Halo: Combat Evolved leans Execution (Practiced Mastery).
Halo: Combat Evolved leans a little harder on execution, though the gap is small.
Destiny 2
Gunplay matters but raids forgive mechanics.
Halo: Combat Evolved
Aim, grenade timing, and vehicle control
Halo: Combat Evolved leans a little harder on reads, though the gap is small.
Destiny 2
PvE is scripted; Crucible has light adaptation.
Halo: Combat Evolved
Multiplayer duels reward reading humans
Destiny 2 leans clearly harder on variance.
Destiny 2
Loot drops and rolls drive the chase.
Halo: Combat Evolved
Covenant AI varies tactics slightly
Destiny 2 leans clearly harder on optimization.
Destiny 2
Build crafting, mods, and damage rotations dominate.
Halo: Combat Evolved
Weapon sandbox knowledge and encounter routing
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.