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Although this is not a real game for SNES, it is definitely the greatest hack I have ever played. I chose this game because this is simply a great game made even better, and because the standard SMW 11-exit run opened my eyes to how great of a run this game could make. I'm extremely happy with how this run turned out.
Emulator used: SNES9X-144 Improvement 7
Many Rom sites have this ROM specifically, but if you can't find it, you can apply the patch found at http://fusoya.panicus.org/lm/dw.html to the "Super Mario World (U).smc" ROM.
  • Completes game as fast as possible
Speed is occasionally sacrificed for something entertaining, but only because lag is caused. There is a good amount of lag in this game because of the large number of objects in most of the levels.
  • Abuses programming errors
Several flying techniques are not possible in real time, including frame-precise diving to gain maximum altitude.
Jumping at maximum speed into the bottom of a mid-level pipe allows you to begin flying after exiting the top.
Hopping along the ground at perfectly timed frames will keep your speed after falling out of flight. This is handy to keep speed when flying is no longer possible.
  • Manipulates Luck
During flight, pressing X or Y will result in spinning and then flying in a random direction. I manipulate luck to make sure that I face the way I want to be facing.
Sometimes I grab stars at the end of the level, sometimes I don't. I tried both to see which reduced the fadeout lag at the end of the level.
  • Takes damage to save time
  • Uses warps
I don't specifically go for a high score, or high lives, or coins - just speed and entertainment.

Highlights, questions, nitpicks:
  • Misty Isle 1
Nothing special here.
  • Misty Isle 2
I couldn't match the current WIP in the forums on this level, so I tried an idea out of Spezzafer's SMW2 run and it worked wonderfully. I also drop the shell on the Chuck in order to avoid a bit of lag.
  • Misty Isle 3
Near the end of this level, I press left for one frame to bounce off a goomba at a higher position, which lets me bounce to the yellow koopa at the final stretch. This didn't cost me any frames when comparing the completed frame in both cases.
  • Misty Isle 4
Super Mario 3 throwback! Only highlight here is that I get the cape, and the fun with flying begins.
  • Iggy's Castle
I wasn't able to fly at the beginning of this level to gain a few frames without losing many more trying to rebuild up flying speed.
  • Misty Star Road
There is so much to this level (plus it's an auto-scroller), so I was able to do some very entertaining stuff. The only way to control the speed of this level is to switch between firepower and cape as little as possible. Taking the upper path with the munchers allowed me to avoid a lot of that, and to get that first star, I couldn't take the upper path at the beginning with the flying koopas.
  • Desert Star Road
The breaking of the bricks, while causing lag, is necessary to keep my dive "charged" so that I can get a large lift after the bricks. Although staying at the top of this level and flying over the bricks would have saved around 90 frames in lag, the entire level would have consisted of me flying at the top of the screen with less enemy stomping. Boring.
  • Water Star Road
Another auto-scroller, though not nearly as long as the last one. My goal was to kill as many fish as possible while keeping the P-switch and kicking it all over the place. Wheeeee.
  • Crystal Star Road
I don't know how or why the glitch at the beginning works, but it does. Also, by jumping at the exact frames, the speed of flight is kept, even though I am not flying. This trick is used in several other levels as well. Running up to flight speed again is slower than completing the level in the way I did. There is some avoidable lag at the expense of entertainment - spinning and stomping the bats caused around 90 frames of lag, as opposed to avoiding them. I also had to wait one frame on one of the later jumps - this causes the screen to scroll up to me so that I am able to pass over the tallest columns.
  • Sky Star Road
Nothing special about this level. The flying had to be precise to hit the flying koopas and to make it through the area with the hidden coin blocks without having to run on the triangle.
  • Ice Star Road
Lag, lag, lag, caused by the over-active graphics in this level. Even if you avoid the enemies vertically (as I do), the lag is still quite bad.
  • Pipe Star Road
A fun level to watch. This level took a long time to try all the possibilites I could think of and find which path and what methods were the fastest. Then I came up with the shortcut trick with the key and shaved off four more seconds.
  • Bowser's Star Road
Aagh!! The only frustrating part of the run for me. It is possible to fly at the beginning of this level, and I thought I'd be skipping the slow boring skull raft! However, the screen scrolling glitch stops me from flying over a giant mountain of lava. Check the short movie linked off the "SDW: 15 exits" forum for a demonstration of what ALMOST happened. Luckily, I can still fly through part of the level.
  • BackDoor Star Road
This level has a lot of stuff to it, so there is lag at some points. I have to take the key with me, so when I fly with it, I kick it away and regrab it so that I am able to fly in the faster mode and still carry an object. Unfortunately, because of the speed of the spiked pillars, flying through them is just not possible.
  • Bowser's Back Door
Not much to this level. I'm just glad I was able to keep flying speed for the entire thing. Taking a hit at the end at the right time allows me to keep speed by hopping until the pipe. The battle with Bowser is also pretty entertaining, although I do a lot of the same stuff that was done on the SMW run.

Thanks to many: To VIPer7 for introducing this game and his 120-exit run on the forums. To Bisqwit for allowing this hacked game on the site. To Gorling and GWing_02 for their WIPs on the forum that gave me something to aim for when I was just learning this game.
Enjoy the run!

Bisqwit: Replaced the submission ID with the doublepost's ID.

JXQ: This run has gotten an overwhelmingly positive response, so I think it will be published. Thus, I'll add a good description of this movie to be used here:
This is the first run of Super Demo World, the first accepted hack, done as fast as possible, by warping through the star world.
This game is a very well done and thorough hack of Super Mario World, adding an entire new set of levels, a new world map, and even ASM-coded several other interesting features into the game's engine, such as a blue block that can only be broken with firepower. The layout of the game takes full advantage of both the mechanics of Super Mario World and the additions of Super Demo World, and the levels can get extremely complicated.
More details can be found in the author's comments.
Also, a good screenshot would probably come from either Misty Isle 2's shell boost or Misty Star World's juggling.

DeHackEd: Encoding.

JXQ: Canceled, see new faster submission at #806: JXQ's SNES Super Demo World in 19:38.48

JXQ
Experienced player (750)
Joined: 5/6/2005
Posts: 3132
Ok I re-edited the submission to include that fact, and I got it sounding better overall. Thanks!
<Swordless> Go hug a tree, you vegetarian (I bet you really are one)
Joined: 9/2/2005
Posts: 26
Yeah this run ruled - keep it up! Skuzz
I rule.
Joined: 9/2/2005
Posts: 26
flagitious wrote:
Ah where did you hear about this new glitch. I guess it is time I reveal it since it has been a several months since and I have not made any progress in redoing the run with it. I'll do that soon. Anyways very nice run, congratulations. I admit my lack of knowledge about this game prevents me from making any intelligent critique. Infact I feel guilty for not having played this game through because it looks very good.
Yeah c'mon show us the glitch! :-D Skuzz
I rule.
Joined: 3/11/2004
Posts: 191
much as people seem to like this i'm not going to watch it. regardless of how good a game it is. its still a hacked rom your using which shouldn't be accepted only if bisqwit likes what has been changed with the game.
JXQ
Experienced player (750)
Joined: 5/6/2005
Posts: 3132
Dark Mana wrote:
much as people seem to like this i'm not going to watch it. regardless of how good a game it is. its still a hacked rom your using which shouldn't be accepted only if bisqwit likes what has been changed with the game.
Have you played the game? Even if you don't agree with it being timeattacked here, it is still a very thorough and fun game to play that breathes new life into Super Mario World. In regards to your opinion, I must thank you for not voting "no" based on these merits. I was worried when I submitted this that I would be getting a lot of "no" votes just because the game was hacked and they didn't agree with giving this ROM special exception, regardless of the content of the run. And as far as my feelings on hacked ROMs - I always assumed they were not accepted because they pretty much suck. There are exceptions, of course, but most hacks are just the same game with different sprites or something. This one in particular is like an expansion pack to Super Mario World, perhaps even beyond that because there are new things added into the core programming that weren't in the original. (Edit: I'm sure companies like Capcom have done similar things to some of their sequels.) And it's not just Bisqwit that likes this game; the forums should be a clear indication of that. I also wondered if people would be turned off simply because they weren't familiar with the game. That is a prime selling point of making an entertaining video. However, that hasn't stopped games that were only released in some countries from being published. This run has its audience, just like many other "real" games. When it's said and done, the run is entertaining in my opinion, hacked ROM or not. There are many other games that were made professionally and sucked a lot more. I don't know what percentage of the people here feel this way, but if this run causes conflict, maybe it can be put in its own section of hacked ROMs. Then others could follow. Who knows.
<Swordless> Go hug a tree, you vegetarian (I bet you really are one)
Active player (278)
Joined: 5/29/2004
Posts: 5712
I thought the problem was that ROM hacks are potentially infinite. You can come up with a lot more game runs if you hack lots of ROMs slightly, but that doesn't give you a whole lot of interesting movies.
put yourself in my rocketpack if that poochie is one outrageous dude
JXQ
Experienced player (750)
Joined: 5/6/2005
Posts: 3132
That's the kind of scenario I was talking about when I said "most hacks are just the same game with different sprites or something". I guess the general blanket would be that most hacks are just that - hacks. Super Demo World goes above and beyond what we call a "hack" - it's a brand new game. To me, anyway.
<Swordless> Go hug a tree, you vegetarian (I bet you really are one)
Player (80)
Joined: 3/11/2005
Posts: 352
Location: Oregon
Dark Mana wrote:
much as people seem to like this i'm not going to watch it. regardless of how good a game it is. its still a hacked rom your using which shouldn't be accepted only if bisqwit likes what has been changed with the game.
Before voting, it would have been helpful to read the first page of the thread, where Bisqwit specifically mentioned that this hack is acceptable. Even if it were an unacceptable hack, votes are just an indication of what the forumgoers want to happen. In the end it's up to Bisqwit et al what will be accepted.
ideamagnate| .seen aqfaq <nothing happens> DK64_MASTER| .seen nesvideoagent * DK64_MASTER slaps forehead
Joined: 12/13/2004
Posts: 103
I haven't watched this specific movie, but I can just say that i love the game. The best made hack I've ever seen. I watched the full run made to demonstrate it and got stuck for the game myself. Personally, I think the game is too hard to play without an emulator with savestates. I'll try and look up my rom for this game and watch this movie.
Former player
Joined: 6/15/2005
Posts: 1711
It certainly is hard MovieWatcher, but I've played it through on console. Personally I think it's of perfect difficulty.
Zoey Ridin' High <Fabian_> I prett much never drunk
Former player
Joined: 4/16/2004
Posts: 1286
Location: Finland
On console? How did you manage to do that?
Former player
Joined: 6/15/2005
Posts: 1711
My former roommate had some sort of equipment for your SNES which could convert ROMs so you could play them. Or something. I know very little about it I'm afraid, though I know he (Gorling) wrote about it in the original SDW thread by Viper7.
Zoey Ridin' High <Fabian_> I prett much never drunk
JXQ
Experienced player (750)
Joined: 5/6/2005
Posts: 3132
I have submitted a substantial improvement to this run: http://tasvideos.org/806S.html Since this submission is marked as "processing", I'm not sure if it should be canceled or not, so I'm leaving it up for now. If it should be canceled, someone important here let me know.
<Swordless> Go hug a tree, you vegetarian (I bet you really are one)