pac-excel-man !

[nizer]

some guy made pac-man in excel by shrinking down the cell size and using them as pixels, a pretty clever hack;
http://www.geocities.jp/nchikada/pac/

you'll have to set your excel macro security to low in order for it to work.

[Naedea]

If you can't unpack LZH files, you will need something like ZipZag (http://www.newfreeware.com/utils/1253/)