Item description:

Map Description:
This is a single player map with many things to mess around with.
Here is a quick list of the things you can do:

#Go into the physics room to see almost all the different physics opertunities HL2 offers, such as:
-Blood
-Sparks
-Lazers
-Light Beams
-Fire
-Steam
-Explosions
-Terrain Morphing
-Dust
-Magnets
#Go into the monster room and do any of the following:
-Spawn monsters and watch them fight
-Spawn monsters and fight them yourself
-Lazer the monsters
-Fight monsters with all normal weapons or even the saw blade, javalen, and combine balls
#Control a battle bot in the battle bot arena (there are two different bots)
#Go outside and spawn many different objects to build anything you want
#Go outside and use custom objects to create your own base, fort, or ramp
#Go outside and fight Striders with a team of civilins or by yourself

#The code to go out side is 4-3-8
-The order of the buttons is like a phone:
[1][2][3]
[4][5][6]
[7][8][9]