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

Reads · Competitive PvP
Open-world survival sandbox where every dinosaur stalking you is another player.

Execution · Competitive PvP
Artillery touch, human prediction and weapon economy in destructible 3D terrain.
The Isle leans Reads (Competitive PvP); Worms 3D leans Execution (Competitive PvP).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
The Isle
Stamina management and pounce timing in chases
Worms 3D
Judging grenade arcs and wind in 3D takes real touch
The Isle leans a little harder on reads, though the gap is small.
The Isle
Human-controlled dinosaurs ambush and bait
Worms 3D
Predicting where a human hides and strikes next matters
The Isle leans a little harder on variance, though the gap is small.
The Isle
Open server world hides who is nearby
Worms 3D
Wind, crate drops and terrain chaos swing turns
Worms 3D leans a little harder on optimization, though the gap is small.
The Isle
Growth stages, diets, and territory knowledge
Worms 3D
Weapon economy and positioning math reward planning
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.