head to head
R.E.P.O. asks more than Mario Party 3, and the gap is optimization.

Variance · Pure Chaos
The N64 party board game where minigames and brutal luck decide stars.

Variance · Systems & Chaos
Co-op looting under randomised monster threats, testing careful handling and risk management.
Mario Party 3 leans Variance (Pure Chaos); R.E.P.O. leans Variance (Systems & Chaos).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Mario Party 3
Minigames test button timing and stick skill
R.E.P.O.
Physics-based carrying of fragile loot punishes clumsy hands
Mario Party 3 leans a little harder on reads, though the gap is small.
Mario Party 3
Light item targeting of human rivals
R.E.P.O.
Monsters follow randomised scripts, not adaptive minds
Mario Party 3 leans a little harder on variance, though the gap is small.
Mario Party 3
Dice blocks, chance time, and hidden stars rule everything
R.E.P.O.
Map layouts, loot and monster spawns are hidden each run
R.E.P.O. leans clearly harder on optimization.
Mario Party 3
Item use and route planning help only marginally
R.E.P.O.
Route planning and extraction economy converge with experience
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.