3 ms·I didn't realize how much Valve mentally linked miniature rail cars, physics, and Half Life for me...by ethbr1 3y agoI didn't realize how much Valve mentally linked miniature rail cars, physics, and Half Life for me...totetsu 3y agoThe tripod is a trigger tooXorNot 3y agoMy brain went straight to "Residue Processing" too.