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

Optimization · Pure Optimization
A zombie survival crafter where horde-night base design carries the game.

Optimization · Practiced Mastery
A tower defense FPS hybrid about placing defenses and gunning down waves.
7 Days to Die leans Optimization (Pure Optimization); Iron Grip: Warlord leans Optimization (Practiced Mastery).
Iron Grip: Warlord leans a little harder on execution, though the gap is small.
7 Days to Die
Aim and movement during horde nights matter.
Iron Grip: Warlord
First-person shooting demands some aim under pressure
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
7 Days to Die
Zombie AI is largely scripted with minor pathing adaptation.
Iron Grip: Warlord
AI invaders follow scripted waves, no adaptation
7 Days to Die leans a little harder on variance, though the gap is small.
7 Days to Die
World generation and loot rolls randomized.
Iron Grip: Warlord
Wave composition adds some uncertainty
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
7 Days to Die
Base design and horde-night kill funnels dominate.
Iron Grip: Warlord
Tower placement and resource management defend the city
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.