Some themed junk from 2002-2008. Most are example levels of one sort or another. Not sure anyone besides URJazz ever saw these... there's a backstory there but it's not mine to go into.

A Spelunky-inspired SP level that randomizes its layout every time you play it; you can also play this online (and you may have seen it hosted before), in which case all players will see the same layout. Health, ammo, and coins are all maintained across cycles, but when you die, all are reset. Carry Eva clones or purple gems to the exit for extra health/coins. Buttstomp objects in stores to buy them, but hope you have enough money to pay the cost. All done in 4.# AngelScript, before useful things like object behavior functions or custom net packets or bulk tile cache handling.