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

Execution · Pure Mechanics
Twitch tank duels while protecting a base from scripted enemy waves.

Execution · Pure Mechanics
A run-and-gun shooter testing aim and dodging against scripted zombie waves.
Battle City leans Execution (Pure Mechanics); Little Red Riding Hood's Zombie BBQ leans Execution (Pure Mechanics).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Battle City
Tank aim and dodge timing under pressure decides every stage
Little Red Riding Hood's Zombie BBQ
Aiming and dodging waves of zombies is the whole loop
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Battle City
Enemy tanks follow simple scripted routines, nothing adaptive
Little Red Riding Hood's Zombie BBQ
Enemies follow scripted spawn patterns, not adapting minds
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Battle City
Spawn order and power-ups add mild randomness per stage
Little Red Riding Hood's Zombie BBQ
Minor enemy spawn randomness, nothing meaningful to map
Battle City leans a little harder on optimization, though the gap is small.
Battle City
Base-defense positioning and brick management have known best answers
Little Red Riding Hood's Zombie BBQ
Weapon choice and positioning offer light tactical depth
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.