head to head
Neither is harder. They score identically on all four axes, so the difference between them is in kind, not degree.

Execution · Competitive PvP
Artillery aim and turn planning against humans under wind and crate randomness.

Execution · Competitive PvP
Turn-based artillery duels testing shot judgement, opponent prediction, and weapon economy under wind.
Worms Battlegrounds leans Execution (Competitive PvP); Worms World Party 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.
Worms Battlegrounds
Grenade arcs and ninja-rope control reward precise aim
Worms World Party
Precise angle and power judgement on every shot matters
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Worms Battlegrounds
Human opponents adapt positioning and bait retaliation
Worms World Party
Human opponents reposition and bait - predicting them wins games
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Worms Battlegrounds
Wind, crate drops and terrain destruction add chaos
Worms World Party
Wind, crate drops and terrain destruction add real chaos
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Worms Battlegrounds
Weapon economy and turn order planning are solvable
Worms World Party
Weapon selection, positioning and turn economy 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.