Brain lab · 4 min
Overfit park
Noise, train size, early stop — watch train rise while test falls.
Practice: 0 XP · 0d streak — clever clears earn up to ★★★.
Simulation game
Overfit park
Crank complexity, add noise, shrink the train set — watch train rise while test falls.
Training park
Train accuracy 72%
New park (test)
Test accuracy 62%
Train vs test by complexity
Green = train · coral = test · mark = your setting