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Simple power ups. That is all. Like Quake. Nothing insane, but gives a slight advantage. Don't over-focus on graphics or performance. Place emphasis on 4v4 competition but pull it back a little. When weapons are placed, they should be placed with utmost care. The maps were iconic in Halo 2 and 3; just copy them but redesign them only slightly. No great graphics. More arena types. Graphics mean nothing.