A stable hyper-cube filled with the various things I've collected, cheated for, and stolen for this very specific turn of events.
Contents would include, but not be limited to:
* Portal Gun
* Companion Cube (x3)
* A Desert Eagle
* Monopoly (x2 money)
* A Chess Set
* Sonic Screwdriver
* Teleporter
* TARDIS
* Lightsaber
* LiveMetal Model B(lues)
* LiveMetal Model F(orte)
* LiveMetal Model X, O, P, H, F, L, A, and a
* A Crowbar
* A Katana
* DNF
* The Declaration of Independence
* A Laptop
* A Perfect Mass-Energy Converter
* The Kitchen Sink
I could go on...
I would not attempt to "escape" by the way. I would leave on occasion, but its nice having a hideout you can come back to.