Confirmed to work on: No-Revision,A,B,C,D,F,G
Confirmed to fail on: H,J,K,L,M
Probably works on: E
Probably fails on: I

My Feb 2007 one appears to be G, my June 2005 one is C, and my July 2004 is A. Seems to match up.

Here's a quick fix for how the appbuilding will be in v0.0.3 (the emulator itself isn't working right now for an actual release).

Download this batch file, save over the one you currently have: http://otbp.tifreakware.net/files/Drag your rom here!.bat
Then download this wabbitsign.exe and put it in the makeapp folder. Delete wabbit.exe if you want to. http://otbp.tifreakware.net/files/wabbitsign.exe

Now the builder will probably work much better. Yay!

So we've had 8-bit graphics all along!

http://www.ticalc.org/archives/news/articles/8/85/85069.html

Update:
I fixed a bug I found while playing through the level set (that is, when Chip pushes a dirt block which is on top of a wall, he ends up on top of the wall. Not good.)

Also, I added an about screen, the contents of which are:
CHIP'S CHALLENGE
FOR TI-83+ v1.00
BY CALC84MANIAC
                
ORIGINAL CONCEPT
 C. SOMMERVILLE
                
   THANKS TO:  
   TILE WORLD  
Edit:
Also, I fixed the Level 88 which was "corrupted" in my level set (an extra wall was added in some versions of the game, which makes the level almost impossible)

Yeah, I made a modified, cut-down version which could be used in an APP (and is TI-Nspire compatible). It can only zoom in closer than the actual size though, not farther out (that's the downside)

I've only tried with Silverlink (which works with mine)