I don't think, as this is straight side-scrolling, that more than 3 characters would do well on the screen together, but that doesn't mean a couple players couldn't play elements of the environment, like a little helicopter or a tank or something. That would get it up to 5 players.
5-players would result in shorter rounds (5 players destroy the buildings faster than 2 players). As a result, folks would have to adjust their strategy accordingly.
I'm not saying it would be without its flaws, but
the cosmos needs 5-player Rampage. There's no point porting Rampage to TG-16/PCE if you didn't throw that option in (no matter how much it may break the original formula of the game).
I have spoken truth.
We could include Larry the Rat from the Lynx version.
HELL YES.
If I'm going to port Rampage, its going to include Daleks. Enough said.
HELL YES.
. And why not spice up the settings with time travel! Instead of simply destroying different cities, we could
destroy different cities across the history of the universe.
I would love to see Larry the Rat take down the Coliseum! Or colonies on Mars! Or the OBELISK thing from 2001! Or Boston 2012! Or Berlin Wall!
I can't believe more folks do not share the passion.