I just finished playing through the main game and 2.0, and wow I had such a good time.
The first game was clever, elegant, and led to many "eureka!" moments that I just loved.
The second was hilarious, chaotic, and borderline diabolical at times. I'm looking at you, (rot13 big spoilers) Yriry svir. Vg gbbx zr n irel ybat gvzr gb abgvpr gur qvssrerag "CHMMYR" sbag, naq gung lbh unq gb "qryvire" n jbeq sebz gur cerivbhf chmmyr. V jnf enpxvat zl oenva, pbhagvat nyy gur yrggref naq fhogenpgvat gur pyhrf naq jungabg.
The sequel made me laugh quite a bit. All in all, amazing games for just being a couple word searches on a PDF. ;)
Oh - level two might've been my favorite.
(rot13)
Lnl Puvarfr mbqvnpf!
*ybbx vafvqr*
Gnkrf.