Ranking
Yes, it is possible, although it is pretty hard to do succesfully.
It depends on what kind of wall, how much force you put into it, also gravity.
I've done about 3-4 steps in the past.
I believe it's not possible to do more than 6-8 steps without grabbing the wall (if possible to grab)

Apathetic User
Galaxy said swexx's divine, it's a replay which should be in your replay folder by default, unless you deleted it.
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[SIGPIC][/SIGPIC]
theoretically yes i guess since you can push objects and the floor with your foot and ghost through it and actually pulling yourself toward said object
oh yeah