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After submitting my Sonic Advance run in October 2010 I couldn't help but wonder if Sonic Advance 2 could also be improved. I soon began researching the game, but quickly recognised that this would be a completely different animal. In Sonic Advance 1 you are fairly unrestricted, not merely because you can blast through virtually any obstacle, but because there is no boost mode which, in SA2, is a constant concern. In Sonic Advance 2 zipping is rather useless and the possible routes are restricted by how quickly you can enter boost mode. Therefore, Sonic Advance 2 is more linear in this respect than its predecessor, however, the gameplay is far more varied and complex making the game far more difficult to TAS and far more entertaining to watch (in my opinion at least). Because of this the learning curve was rather steep and it wasn't until December 2010 that I had learned enough of the game's mechanics to match nitsuja's times and even then I felt as though I was just copying his strategies. I then decided that tackling this game sequentially was not the best method. I picked several levels at random and TASed them, finding a few frames each time discovering new tricks and optimisations. After submitting Pokémon Blue I started to hit this game pretty hard and through the summer of 2011 I applied the knowledge I had accumulated to gain some nice improvements. After discovering a few new tricks I realised that I would need to give everything another once over, but by this time I was confident enough to tackle the game from beginning to end with consistent quality. This run is an in-game improvement of 2070 frames (34.5 seconds) to the currently published run by nitsuja. I also found various real time improvements and with those included this run is 2591 frames (43.18 seconds) faster than the current run.
LevelnitsujaMeImprovement (in frames)
Leaf Forest 10:24:270:22:9281
Leaf Forest 20:23:700:22:8253
Egg Hammer Tank II0:05:620:05:620
Hot Crater 10:31:630:31:1330
Hot Crater 20:34:150:30:33229
Egg Bomber Tank0:06:920:06:5522
Music Plant 10:33:850:32:2397
Music Plant 20:40:920:40:1347
Egg Totem0:05:500:05:500
Ice Paradise 10:41:950:39:85126
Ice Paradise 20:32:850:31:9554
Aero Egg0:05:500:05:500
Sky Canyon 10:39:730:37:60128
Sky Canyon 20:37:650:34:77173
Egg Saucer0:07:320:07:0814
Techno Base 10:59:320:53:02378
Techno Base 20:32:530:31:0788
Egg Utopia 10:52:480:47:83279
Egg Utopia 20:56:720:52:70241
Egg Frog0:08:520:08:520
XX Zone0:49:420:49:0522
The levels in this game are so huge that it would be impossible for me to describe the improvements in any detail. To overcome this I have annotated the level maps from The Sonic Center with the individual improvements for those that are interested. The maps can be found (adelikat: removed dead link), though feel free to mirror these wherever you prefer. These were thrown together quite hastily so please ignore the awful grammar etc.
There are a couple of things worth noting that are not shown in the maps. Firstly, real time was improved by inserting a reset at the beginning to skip the intro (saves ~3 seconds), plus in some levels I use a glitch that allows you to skip the skidding animation at the end of the level to save ~2 seconds per use. Technically it is possible in all levels, but I only use it where in game time isn't affected. The glitch works by passing the goal line off-screen before it has loaded and then using A+B to come to a halt, or pass back through the goal in the opposite direction. This causes the game to skip directly to the score tally. Secondly, the improvements to the bosses are not shown in the maps. Most boss improvements are just from fiddling around with the positioning in order to get a hit in a few frames earlier. The only interesting improvement is the Egg Bomber Tank. The HP and invincibility counters for both the cannon and the body are held in different locations and you must defeat the cannon before defeating the body. Because the addresses are stored seperately you can, with precise positioning, register the first hit on the body on the same frame you register the last hit on the cannon. Thirdly, I'm not going to go into detail on the game mechanics as nitsuja amply covers the important points in his submission text. Fourthly, and finally, enjoy the run! That is worth noting and it is not shown in the maps.
Thanks to nitsuja for his masterpiece of a run. I was often dumbfounded that such well optimised work could be made with 2005/06 tools. This run wouldn't be half as good as it is if it weren't for his run.
Thanks also to Zeupar for watching my WIPs and for providing support when I lacked motivation.
And thanks to Aktan for providing the encode.

Adding a comparison table:
LevelTSC (Sonic)MeDifference
Leaf Forest 10:28:880:22:920:05:96
Leaf Forest 20:29:900:22:820:07:08
Egg Hammer Tank II0:05:620:05:620:00:00
Hot Crater 10:37:680:31:130:06:55
Hot Crater 20:37:200:30:330:06:87
Egg Bomber Tank0:11:150:06:550:04:60
Music Plant 10:46:430:32:230:14:02
Music Plant 20:49:780:40:130:09:65
Egg Totem0:05:500:05:500:00:00
Ice Paradise 10:53:620:39:850:13:77
Ice Paradise 20:38:950:31:950:07:00
Aero Egg0:05:500:05:500:00:00
Sky Canyon 10:48:630:37:600:11:03
Sky Canyon 20:46:880:34:770:12:11
Egg Saucer0:14:950:07:080:07:87
Techno Base 11:15:920:53:020:22:90
Techno Base 20:38:900:31:070:07:83
Egg Utopia 11:08:870:47:830:21:04
Egg Utopia 21:06:970:52:700:14:27
Egg Frog0:08:870:08:520:00:35
XX Zone1:30:080:49:050:41:03

DarkKobold: An substantial improvement to a highly-regarded published movie? Easy accept. Good work.
Nahoc: Processing...

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This topic is for the purpose of discussing #3426: Mukki's GBA Sonic Advance 2 in 18:01.78
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Amazing. This is probably the best TAS I have ever watched. I see you have "master" in your name for a reason. Choosing my favorite parts is quite difficult because pretty much the whole thing is a delightful long highlight, but I will go with the end of the second act of Ice Paradise Zone and your new route in the second act of Hot Crater Zone. Also, 250,000 re-records? What the hell? I love the idea of using maps to explain where and how did you exactly improve the previous movie. Best TAS of the year. Congratulations! I suggest these screenshots: ^Sonic is happily confused in his own TAS. ^Don't do drugs, I'm watching!
AzumaK wrote: I swear my 1 year old daughter's favorite TASVideo is your R4MI run :3 xxNKxx wrote: ok thanks handsome feos :D Help improving TASVideos!
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Still processing. Edit: Finally got to watch it after waking up. Everything I expected, a fantastic (and frenetic) run indeed. Its Yes-vote-iness is undeniable.
First a movie gets submitted, and ends up accepted despite breaking rules other runs have been rejected for. And when I vote less than spectacularly on this movie, I become the victim of harassment and threats. Yay, favoritism.
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Is everyone else getting a grey screen from the YT encode?
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It's not gray, it just hasn't processed yet.
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Is this TAS aiming for in-game time, or real time?
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As with all Sonic runs this aims for fastest in-game time. I only mentioned the real time improvements as a curiosity.
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henke37 wrote:
It's not gray, it just hasn't processed yet.
For a while, the encode was processing, but when it came up it was sound-only (with nothing but gray for visuals). Mukki deleted it from his YouTube account, reuploaded it, and then edited the submission to fix the URL to the new one, and that's why you see it as still processing. >_>; ...No, I'm not stalking this video to watch it as soon as possible, what would give you that impression? *innocent*
First a movie gets submitted, and ends up accepted despite breaking rules other runs have been rejected for. And when I vote less than spectacularly on this movie, I become the victim of harassment and threats. Yay, favoritism.
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It's due to YouTube being picky and me forgetting to fix it for YouTube, so the video needed to be uploaded again. Sorry people. As for the run, that was dang fast! Great job Mukki.
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still processing :-(
i imgur com/QiCaaH8 png
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A Sonic game with out Zips?! What's this site coming to? Sonic still moves a lot faster then that guy in red.
When TAS does Quake 1, SDA will declare war. The Prince doth arrive he doth please.
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hegyak wrote:
Sonic still moves a lot faster then that guy in red.
If you mean intended speed, then yes. If you mean glitched speed, then the BLJ in SM64 is still faster than wall zipping in StH/SA1. This TAS sounds great. I'm also waiting for the video to process.
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hegyak wrote:
Sonic still moves a lot faster then that guy in red.
Nah, Santa's way faster. He can deliver presents to a billion households in a single night.
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hegyak wrote:
Sonic still moves a lot faster then that guy in red.
Yes, but Knuckles can glide!
sonicpacker: 100% of red heads arent hot
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Excellent run, easy yes vote.
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Great run Mukki! Yes vote!
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You would think that the camera would be able to keep up with the player. Not so here. This is just too fast. The game simply is too fast for the camera, and the camera moves at four screens a second (~17 pixels a frame). Obvious yes vote.
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Talk about some high-speed antics here. And it's clearly maxed out the score, just like the old submission. Comparing this to the previous run, I think this a improvement that warrants publication. So, once I stop being classed as a 'lurker', I'll be giving this the YES vote it deserves.
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Amazing. I wonder, will anyone work on a 100% run of this game eventually?
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A joy to see. Probably my favorite run, perfect play rather than abusing game breaking glitches. Will definitely be a video that I will re watch again and again.
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Even with the route maps up beside this run, it's nigh impossible to follow what's going on - it just moves too quickly! In this case, that's a very good thing. Yes vote.
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I hope to see a 100% run of this soon, I like the doomsday zone a lot! Yes vote for improvement!
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Very nice! I appreciate the effort that goes into this run, where there's a ratio of roughly 5 rerecords per frame! Thanks, also, for sharing your story about how you attacked this run back in December 2010. It was interesting to see that ultimately you got better at the game by playing stages out of order.
Used to be a frequent submissions commenter. My new computer has had some issues running emulators, so I've been here more sporadically. Still haven't gotten around to actually TASing yet... I was going to improve Kid Dracula for GB. It seems I was beaten to it, though, with a recent awesome run by Hetfield90 and StarvinStruthers. ( Thanks to goofydylan8 for running Gargoyle's Quest 2 because I mentioned the game! ( Thanks to feos and MESHUGGAH for taking up runs of Duck Tales 2 because of my old signature! Thanks also to Samsara for finishing a Treasure Master run. From the submission comments:
Shoutouts and thanks to mklip2001 for arguably being the nicest and most supportive person on the forums.
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This is one of my favorite runs on the site, nice to see it improved. I've tried TASing stage 1 before, so I know how optimal Nitsuja's version is, so props to saving 30 seconds on what I used to believe to be an unimproveable run. Yes vote for sure.
Homepage ☣ Retired
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Holy....Just wow. This is an incredibly incredible run. The route changes are amazing to see in the new run. And Ice Paradise 2 was suprising to see. I suggest that as a screenshot. This is a strong Yes vote from me. You did an amazing job as always Mukki!