Font appearance varies with target computer

I'm using a custom .ttf font in my game, which I've converted to a .uft to distribute with the game. Here's how it looks on 3 different computers:


The top line is how it looks on my development computer.
The 2nd line is how it looks on my laptop, and the 3rd line is how it looks on another computer.

I tried installing the .ttf on one of the other computers, and the appearance didn't change. Anyone else encountered it, and does anyone have a solution?

All 3 machines are running the same code, at 800 x 600 resolution, with a camera size of 800 x 600 also.

This is how the fonts are stored in the .t2d file:

new t2dTextObject() {
      canSaveDynamicFields = "1";
      superclass = "hudText";
      Position = "348.000 -277.000";
      size = "77.000 20.000";
      Layer = "2";
      CollisionPhysicsSend = "0";
      CollisionPhysicsReceive = "0";
      LinkPoints = "0.061 0.201";
      text = "damage";
      font = "hooge 05_53";
      wordWrap = "0";
      hideOverflow = "1";
      textAlign = "Center";
      lineHeight = "20";
      aspectRatio = "1";
      lineSpacing = "0";
      characterSpacing = "0";
      autoSize = "1";
      fontSizes = "20";
      textColor = "1 1 1 1";
         hideOverlap = "0";
         mountID = "81";
   };