Appearance

• Added dynamic shadows.
  
• Made the laser beams look nicer.
  
• Made the fire extinguisher leaks look nicer.
  
• Improved the destruction of the bridge at the roof of the communication towers. The satellite dish is also new.
  
• Changed the sounds for the bathroom stall doors near the Offices.
  
• The control panel for the electrified floor at the Laboratory now has lights, to get the player's attention.
  
• Added microscopes to the lab.
  
• Improved the LODs for the drums in the Large Hangar.

• Added an adult magazine to the bathroom near the Offices.
  
• Large flying NPCs, such as gunships and helicopters, can now fly around in open-air areas with enough room.

• Added Metal Gear REX.
  
• Replaced the regular trucks with snow trucks.
  
• Replaced the MGS1 deer skull trophies with those from MGS:TTS.
  
• Shooting the warheads will now make them leak radiation.
  
• Added the previously missing little cave with a chaff grenade in the Canyon.
  
• Added a second jeep to the Garage.

Appearance

• Fixed missing textures.
  
• Replaced some MGS1 assets with Twin Snakes ones.
  
• Replaced the dynamic lights in the elevators with env_projectedtexture, massively improving frame rates.
  
• Added sparks to the electrified floor in the Laboratory.
  
• Changed appearance of some computers.
  
• Added PAL key laptops to REX's Lair.
  
• Added critical information CD to Hal's Lab.

• Added fire extinguishers that can be shot to reveal laser beams.
  
• Added navigation mesh.

• Lowered starting amount of entities and art assets.