I didn't read the entire list, but I have more than a couple. RSC: Boing hill: Due to the walking script and the layout of certain landscapes, you could walk on a certain hill, and jump up and down insanely while you walked. Tons of fun. Floating door: Lumbridge castle door use to float about a half square from the building. Floating gate: The gate to the farm north of lumbridge also floated. Guild placement: When jagex added the Legends guild, a couple players who had logged out in the spot it was placed at wandered around the guild before anyone else finished the quest. When the digsite quest was released, it was impossible to get one of the items to finish the quest. JAgex fixed it the next day. Bank slayings: Cheaters using AR could use it to attack NPCs such as bankers and general store owners(dropping only bones of course) BETA: Item dupe- When the party house was released, you could dupe items in the chest. Suppose you had a note for a dragon shield. You could right click it, and put 10 of them in, and 9 would be created. Repeat this multiple times, and you have amazing drop parties :P Gnome ball wielding: Gnome balls use to be VERY fast weapons. If you logged out on a members beta world, wielding one, it would still keep the speed, and have the hands bonuses. Being pked like that sucked :P Duping cats: When beta was first released, you could drop items strait from your bank. If you had a banked cat, you could drop it from there, and keep doing that. Hundreds of cats could be seen wandering near the bank :P