Update features:

Weapon variety has been altered to provide closer balance between the short and long ranged arsenal now available. This includes:
2x Storm Rifles, with the one current Storm Rifle previously added moved from its initial position.
1x SAW added to where the first Storm Rifle initially was. Has been set to have one less clip.
1x Fuel Rod Cannon replacing the Energy Sword.
1x Gravity Hammer, only accessible through a secret pathway.
2x Submachine Guns.
1x Shotgun replacing the Launcher.
2x Suppressors.

Gameplay:
New accessible route to Gravity Hammer available. Also provides new shortcut for traversing the map.

Aesthetics:
Many aspects of the map have been 'updated' with new visual aspects to the map. Walls on the outside of the building have new windows, textures, foliage, windows and supports.
Interior has been fitted with extra pipes, furniture and changes to architecture.
Garden stone has a new ring statue.