The sun never set in the Mushroom Kingdom; it just cycled through three shades of amber, stuck in an infinite loop of 8-bit twilight. This was the reality of —not quite the original dream, not quite the sequel, but a strange, interim purgatory of code.
$$ \beginaligned L &= \frac1N \sum_n=1^N (y_n - \haty_n)^2 \ &= \frac1N \sum_n=1^N (y_n - (w \cdot x_n + b))^2 \endaligned $$ MarioNES 1.5
[2] (2019)