RE: Outbreak is basically what the Challenge Room on Batman is, but for Resident Evil.
It plays like the originals, but you have a smaller inventory. The AI is absolute crap, but the levels are well made and you can unlock a lot of stuff, with a few difficulties to play on as well as the "Lone...
Christ that PS2 is tiny...
I was thinking of getting one soon, but my PS2 fat I years ago is still working fine - the only odd thing I've noticed that others I've spoken to don't seem to have is that it plugs into the television via the satellite port...
I play just a few select games nowadays, having lost the others in moving house:
.hack//INFECTION
Resident Evil Outbreak
Burnout 3
Final Fantasy X/X-2/XII
Can't forget the good ol' PS1 games either:
In Cold Blood
Crash Bandicoot: Wrath of Cortex
Croc: Legend of the Gobbos
Spyro the Dragon...