head to head
Spelunky asks more than Enter the Gungeon, and the gap is variance.

Execution · Practiced Mastery
A bullet-hell roguelike where dodging fixed patterns is the core skill.

Execution · Twitch Chaos
The original procedural platformer that codified the modern roguelike action loop.
Enter the Gungeon leans Execution (Practiced Mastery); Spelunky leans Execution (Twitch Chaos).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Enter the Gungeon
Bullet-hell dodge-rolling and precise aim define survival.
Spelunky
Tight platforming and whip control under constant threat.
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Enter the Gungeon
Bosses use fixed bullet patterns; no adaptation.
Spelunky
Enemy AI is scripted; no adaptive opponents.
Spelunky leans clearly harder on variance.
Enter the Gungeon
Gun and item drops heavily randomized.
Spelunky
Procedural caves and item rolls shape every run.
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Enter the Gungeon
Synergy hunting and shop routing shape strong runs.
Spelunky
Hell route and shortcuts reward solved knowledge.
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.