# Notable Changes

The SA-1 Pack heavily modifies the SMW engine to use and explore the SA-1 system features. When patched, there is many notable changes in the game, mostly related to performance and loading times.

## Eliminated slowdown spots

- Yoshi's Island 2
- Yoshi's Island 4
- Donut Plains 4
- Forest of the Illusion 2
- Sunken Ghost Ship
- Bowser's Castle -- Front/Back Door
- more?

## Faster loading

- Levels will load faster than the normal.
- Nintendo Presents screen runs much faster because of the Mario and other animations being compressed much faster.

## Graphical enhancements

- Windowing effects won't slowdown.
- Circle-in effect on title screen runs much more smoother.
- Circle-out effect after beating a level runs much more smoother.
- The spotlight sprite will run at full speed (60 FPS) instead of quarter speed (15 FPS).