I've been an old player on iZone and I have participated in many events, most of ranging fro hide and seek to rambo. And I got to say I've been pretty successful with most events. Here are some tips, tricks and secrets to winning.
Hide n' seek: Most staffs usually hide in the second mall on the left bottom hand corner. So I would suggest staying around there. Another tip would be staying by the start park, as there are many warpers that will take you to various places, such as north mall, saber shop, and second gun shop. You can use those warpers as easy shortcut and most likely have an advantage over other players.
Rambo: I usually don't really go for the staff. I hang out more in the back pking other players. As the health drops and the staff is near death, I get closer to where I can see them (just don't get to close or you'll die). I prefer using the heave laser as it has no recoil and another advantage is the extra damage.
Graalman: I myself usually stay around the top where the two bars are at. That way I can run around and around or use the left and right side exit.
British Bulldogs: Simple and easy, run in zig zag lines.
Well, that's all of the event I could've thought of that involve you moving or killing. Other than that Risk, Trivia and riddles you just answer questions. Let me know if I'm missing any important events.