Some games tend to be so absorbing that it's hard to put them down and just carry on your daily routine as if nothing happened. Every once in a while you'll find that even the quirkiest elements of a game have permeated your mind and warped your perception of reality somewhat. It's usually after playing a game with lots of repetitive elements that you realize your mind is still stuck thinking in game-logic and you're subconsciously applying gameplay elements in real life.
Here are five games (some old, some new) I've played which demonstrate this phenomena.
Tetris
The first example is one that has probably plagued many gamers. It's not really exclusive to Tetris, but rather inherent to most puzzle games. Especially the ones that keep you glued to your chair for far too long and have you concentrate on a flurry of ever faster spawning geometrical shapes. Sufferers of Tetritis report hallucinations of descending little blocks when feeling tired or distracted and often start analyzing various Tetris situations without conscious intent. Other symptoms include seeing household objects as Tetris blocks and a tendency to pack them together just right to optimize your living space. Once Tetritis gets in your system it takes a while for it to vanish. Tetris withdrawal is obviously the one surefire solution, but in the mean time you could take advantage of the temporary obsession to do some cleaning around the house or some other means of putting that overactive sense of spatial awareness to use.
The symptoms: visual hallucinations, hyperactive spatial awareness
Crackdown

Anyone who played Crackdown will probably agree that the game makes you feel powerful when playing. After collecting a bunch of delicious green orbs, the on-screen character has no difficulty jumping up buildings in a single leap and is soon climbing skyscrapers as if it were nothing. When interrupting long playtimes, you may start to view their own surroundings in an entirely different fashion. Just like in the game you'll start scanning the place for ledges to hold on to, windows to grab or any other object that sticks out and may just facilitate your climb. Most likely you'll soon snap out of this mindset, but it's still tempting to map out a route through the city that involves leaping up rooftops, using local monuments as footholds etc. If anything it beats the often tardy public transportation and I'd wager the game has sparked an interest in Parkour for some gamers.
Crackdown also awakens any trace of Obsessive Compulsive Disorder you have. The reason for this is because there are 800 of the aforementioned orbs spread across the vast game world. Add to that an achievement for collecting all of those, and you'll soon be having auditory hallucinations of the sound that plays when you're in the proximity of one of the precious orbs. If you want to be extra cruel, you can download this very sound and torment someone you know who's currently plowing through the game and orb hunting.
The symptoms: overestimating your jumping abilities, auditory hallucinations
Mario Kart
Mario Kart has always been known for it's wacky antics, but a lesser known fact is that it can trigger some equally insane behavior after intensive durations of play. Apparently it's not safe to go biking after some intense time trial practise. A friend of mine (anecdotal evidence for the win) tells me he got so used to the powerslide motions that he had a strange craving to apply them on the road while biking to school. The inclusion of snaking in Mario Kart DS sure hasn't helped. Police reports indicate that there has been a 2500 percent increase in cases of "drunk biking." Approximately 90% of the people that were pulled over were later found to have no alcohol whatsoever in their blood. These statistics may or may not be true. Regardless, earlier video evidence has proven that exporting Mario Kart elements to the real world is a recipe for fun. For an added Mario Kart mindf*ck, try playing any version of the Rainbow Road track for more than three hours straight. Gamernode is not liable for any damages which might arise.
The symptoms: attempting powerslides and snaking manoeuvres on bikes, lying about statistics
The Darkness

Starbreeze's latest storydriven horror offering won't make you afraid of the dark, as the name might imply. If anything you'll grow to love the darkness a bit too much. Throughout the game you're wary of every light source as it steadily drains your shady powers. You're constantly on the lookout for light bulbs and lantern posts, and when you switch off the game that feeling tends to stick. As a result you may get some weird looks from your friends and family as they see you suspiciously eying every LED and halogen lamp. Luckily this phenomenon fades quickly as the game itself doesn't last all that long. A good night's sleep will rid you of your photofobia, but if you catch yourself conversing with your two demonic counterparts and engaging long rants about the New York subway system it may be wise to call a doctor just in case.
The symptoms: photofobia, mild cases of schizophrenia in some
Guitar Hero

Frantically strum and follow the on-screen notes in this rockstar simulator for hours on end and you'll come to find out how Guitar Hero tends to mess with your unwitting mind. After long periods of time it's not uncommon to pause and stare at the wall only to see that wall scrolling upwards. It's the same kind of optical illusion you get after staring into a spinning spiral for about 30 seconds. In Guitar Hero's case the effect is a bit more subtle, but lasts longer as you've been staring at the screen for a much more prolonged period of time. It's quite harmless on its own, but it still catches you off guard the first time.
The franchise has another peculiar mental effect: it doesn't matter what song comes on the radio, you'll always end up tapping your foot and mentally moving your fingers fingers picturing how the song would play in Guitar Hero. Inexperienced Guitar Heroers may also experience some stiff wrists and sore forearms the first few times they play the game.
The symptoms: stiff wrists for new players, warped eyesight
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I'm gonna try to play the Rainbow Road for over three hours straight.
My favorite (other than the Guitar Hero one) has to be playing any sort of game like FEAR or Silent Hill that creeps you out, then going on a nice night walk. EVERY shadow that moves startles you, and you're always glancing around trying to see if you see any weird shapes moving around.
I'd just like to add that these are obviously not 5 games that will definitely mess with everyone's head. Just some games that had some weird lingering effect after I played them. I'm sure the list would be quite different for everyone else, and that a lot of people would also list stuff like Lumines and Meteos. It just wouldn't be that fun to list 4 or five puzzle games as the aftereffects are too similar.
I've been playing full games of Tetris in my head since third grade.If that's not a mind game, then I don't know what is.
Whenever I play Metal Gear Solid, I end up checking around corners with a little sneak look before I round. Also, I make sure that I step quietly, and if I hear noises behind me, I always turn around and check.
i went in to wal-mart last night after playing dead rising for about four hours. i saw a tricycle sitting in the middle of an aisle and my first instinct was to pick it up and bash people with it.
Crackdown is true, you try to jump but you feel so heavy, like what happened to the 50 ft jumps lol.GH, yes I definatly got the stiff fingers.Mario Kart never affected me, as I don't ride a bike. :DOnly played the demo of darkness, but I still try to turn off every light anyway. :)Tetris, never played that long enough for the effects to kick in.
After playing lots of Puzzle Quest I would see people around me as sets of colored jewels, especially in large lecture halls with ordered rows of chairs, and I would keep instinctively trying to match them up. When I was younger, X-COM Terror From the Deep did it to me. After marathon sessions, I would be so used to moving based on available time units and attempting to conserve time to provide for return fire that before even going to lay down in my own bed, I would wonder whether I had enough time units to do it.
The guitar hero ones I can see happening, as they've happened to me, but not the others. And I've played a lot of all of the list :P
Sorta similar to Archem, I used to be able to play through all of Metal Gear Solid in my head.
Alright who made this craptacular list of games that are suppose to mess with your mind. Personally I didn't take the time to read who the writer of this tripe is but Im going to say it doesn't matter. First of all by what criteria did you come up with these games..
A few comments about the games chosen.
Frankly unless you woke up one morning to find all the cerial boxes in your kitchen stacked in unusual shapes on your kitchen table im going to wadger it didn't mess with your mind too much.
I'll tell you how it messed with my mind. When i purchased my first Gameboy I was very disappointed that Tetris was the first game that came with it. That's how it messed with my mind. Now before all you fanboys start baring your fangs ready to suck out my life force. Im not saying that Tetris isn't a good game. It just doesn't belong on this list.
NEXT!!
Crack Down? hmmmm crackdown.... did they make a game called crackdown.
OH YA I REMEMBER.. That blatant piece of crap they are trying to pass off as next Gen.. Wait is that the one where you can't enter any of the buildings... OH YA THAT JUNKThis is like an bad version of Spiderman with Guns only without the cool web slinging. I suggest if this game messes with your mind.. You Go find the highest building in the City and..
JUMP!!!!
Mario Kart
Look im not going to say I don't LOVE this game. I would never say that Mario Kart is a bad game or bag on it in any way. So with that said, GIVE ME A BREAK Mario Kart? What did you do go out and wreck your Yugo after playing this game. If i told you once I told you twice yellow means slow down not speed up. Damn dude and if you pull that red shell out of your backseat one more time im going to KICK YOUR !@#@.
Actually this is your best choice on this list so far.. Bottom line is.. if Mario Cart is messing with your mind then you need some mind expansion. Try Yoga or something.
The Darkness!
Enough said.. I'll give you this one.
Guitar Hero.....hmmmm Guitar Hero...ummmmm
Im trying to say something negative about this game but the billions of Guitar Hero Zombies are interfering with my thought process. GET OUT OF MY MIND!!! FEAR IS THE MIND KILLER!
It is by will alone I set my mind in motion. It is by the juice of sapho that thoughts acquire speed, the lips acquire stains, the stains become a warning. It is by will alone I set my mind in motion.
Wow that was close!! for a second I almost considered buying this game. Look I am as much A fan of Rock and Roll as the nerd in the cubicle across from mine. However the urge to try this is only slightly more powerful (And Much more Expensive) then the urge to play hours of air guitar in the mirror to practice up for the chicks at the next big Nerd rock concert. Excuse me while I attached jumper cables to my nuts and jump around on stage for 6.30 min.
I challenge anyone to come up with some better games then this.... Object505 google it. Warning results might be scary.
OMG NEXT!!!!!
object505 I have two words for you:
Epic fail.
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Okay, so you're used to heavier mindexpanding stuff. Er...good for you?
You guys are missing the best one of all, DEAD RISING there are soo many weapons you go around the house looking to use everything you can as a weapon for hours after playing. even inventing new weapons
After playing Rome: Total War for 7 hours straight I would look at a person, and instead of thinking of them as one person, I would think of a unit of people. Luckly I could just shake my head, and it would be gone.Object505: Dude you could have been a bit nicer, with your rant, and not insulted the reviewers. As much as your rant annoyed me I don have to agree with what you said about Guitar Hero. Man, did that game suck.