Horrendous and horrendously frustrating...
Note: The 'violence' and 'humor' scores have little (if anything) to do with how good a game is... They are only there because they used to be in the sub-scores and are only a measure of how much violence and humor there is to be had in the game (if any). Also, the sub-score 'interactivity' has been replaced with 'gameplay'...
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A game's primary purpose is to amuse and entertain, so you know a game has failed when you literally have to FORCE yourself to keep playing it, as I did...
Graphics 4/10 (poor): The graphics were lackluster at best, with generous portions of (frequently grey) block colour, a poor drawing style and lame special effects, such as the boss' "block white" attack and the dull-as-dishwater "static" effect of the anti-ghost areas... The colours (other than the grey) were fairly nice to look at, if a little stark but really, a four in this category is probably being generous...
Style 6/10 (fair): The set pieces seemed a bit random, which caused the coherency of the package to falter significantly... I also didn't much like the characters, with the exception of the guy in the green suit, who actually had a few different expressions, whereas the other three characters were all rather "blank"... There didn't seem to be any serious bugs, however, so props for that... However, once again, a six in this category is probably being generous...
Sound:3/10 (very poor): There isn't much in the way of sound effects (and the ones that are there are generally very quiet, with the exception of the coin sound effect from Mario, which is at a decent volume) and the music is terribly repetitive, but at least it's somewhat entertaining to listen to (the first six dozen times at least)...
Violence 1/10 (slight violence): Any violence is at "cartoon antics" level at best (or worst, depending on your point of view)...
Gameplay 1/10 (terrible): At first the gameplay is mediocre and rather boring, then in the later stages it degenerates further into a frustrating mess... Some of the later stages were so difficult I literally died dozens of times and it was only through sheer force of willpower that I was able to see this game through to the end (complete with the spectacular anti-climax that was the bewilderingly easy final boss battle)... The problems are first that it is simply impossible to focus on and effectively control both characters at the same time, second that the controls simply stink (feeling stiff and unresponsive for the Guy and loose and sloppy for the Buddy, which gets particularly bad when she's carrying the Guy and he keeps slipping off when you try to move the Buddy at anything faster than a snail's pace) and third that the collision detection is questionable at best... It would sure be nice if the characters actually FITTED inside their hit boxes... What is this, a manic shooter? The first problem can't be fixed (it's an inherent flaw in the concept behind the core gameplay), but fixing the latter two problems and drastically improving the level design (I don't like to navigate moving obstacle courses in my spare time whilst also attempting to direct a friend in a separate obstacle course, do you?) could help mitigate that substantially... Once again, a one is probably generous as I honestly can't think of any significant redeeming factors that this mess has...
Humor 0/10 (no humor): None to speak of. There were a few attempts at humor, but these fell flat.
Overall 2/10 (bad): mediocre to poor graphics and fair to mediocre style I can put up with, but the near abysmal gameplay is simply inexcusable. I really do think I've been generous with these scores and should probably have knocked another point off of most of the categories. Frankly, I think the problem really does lie in the inherently flawed concept, you just can't control two characters effectively at the same time. I'd call this a failed experiment and I really think you should just drop this as a concept, rather than torturing yourself trying to make it work.
Flash gamers, don't bother with this one.