Computer Game

I was playing a computer game. It was a two-dimensional scrolling game. The movement was very similar to Super Mario World, but other aspects were a lot like the original Metroid, neither of which I have played in years. The character could shoot various weapons. The default one that never ran out shot little white bullets. Others used energy, and once the energy ran down they wouldn't work until it recharged. One of those was a solid white beam, and another was a wavy thing similar to one of the Metroid weapons. One unique thing about this game is that two players could play at the same time; someone else was playing with me on a networked computer. We were both in the same level, but we didn't have to be on the same screen. The design of the level was a lot like Mario -- platforms and plants and things you could climb on. But the enemies were like ones in Metroid; you had to shoot them multiple times. Sometimes they left glowing items that you would absorb, like in Metroid. From the starting screen in this level you could go left, right or down. The other guy went down and I went right. Three screens over, there was an area with two different mini-boss creatures that both left powerups. That area had several platforms of different heights that you would jump between. If you jumped all the way down to the bottom, there were leafy plants you could climb on to go down, and after defeating both bosses you could also go to the right.