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
Tower-defense loadout math wearing an Adventure Time crossover costume.

Optimization · Pure Optimization
A first-person farming game about wrangling adorable slimes for plorts.
Bloons Adventure Time TD leans Optimization (Pure Optimization); Slime Rancher leans Optimization (Pure Optimization).
Slime Rancher leans a little harder on execution, though the gap is small.
Bloons Adventure Time TD
Tower placement and occasional ability taps
Slime Rancher
Vacuum aiming is gentle.
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Bloons Adventure Time TD
Bloon rushes follow fixed wave scripts
Slime Rancher
Slimes follow scripted behaviors.
Slime Rancher leans a little harder on variance, though the gap is small.
Bloons Adventure Time TD
Character trinket drops add light collection RNG
Slime Rancher
Plort prices and slime spawns vary.
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Bloons Adventure Time TD
Hero, allies and trinket loadout math drives every map
Slime Rancher
Ranch layout and 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.