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"Perfect" may be a misnomer because I take a single hit on the final boss to skip most of its death sequence. Also, the BK2 file contains the ROM for the game, hopefully that's okay...? The game itself was free, but it's no longer available to download anywhere.
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Blu the Airmail Delivery Bird is a game wherein the player must deliver mail while avoiding enemies. The game has is about delivering mail along a route of seven areas. Pressing A will fire a bullet, and holding B will start an aiming cursor a la Yoshi's Island on Hasty mode. It's not very exciting, but my God, the lag was horrible. Way more than it had any right to be.
One big issue is that it aims to the NORTHeast when you first start holding B, so getting up close to the mailboxes is the best way to save time. But at the same time, the game practically falls apart when even a single enemy appears, so I also need to try and get rid of them as quickly as possible. I wasn't able to do that on a few occasions, and you can see just how badly it chugs. The game also lags further if you move, so I had to limit my movement during those parts.
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There are four enemies. The most common ones are drones and firework crabs. The drones fly straight toward you and drop a bomb when they reach your horizontal position (which doesn't explode, for some reason.) The firework crabs start out in the ground, then launch upwards and explode into five spiked projectiles. Obviously, letting them explode isn't ideal.
The other two only appear in level six: jellies and pufferfish. Jellies are the worst offender of lag in the entire game, moving up and down while shooting four bolts of lightning every time they reach the middle of the screen vertically. Again, one was placed in a way such that I couldn't kill it immediately. The pufferfish simply inflate after a few seconds, so they can be killed without TOO much hassle... if there wasn't a glitch where killing them before they reach a certain point on-screen will destroy the pufferfish sprite, but not its hitbox.
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After level seven, your performance is evaluated. The game has three criteria it checks for: mail delivered, enemies defeated and lives lost. If the majority of mail is delivered, the majority of enemies are defeated, and no lives were lost, you get a "Great!" rank and get to take on the final boss, which I took a hit on to skip most of its death sequence. The lives are shown in the upper-left as three... white and pink thingies? Envelopes? I don't know, but in any case, you only ever get three.
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The details of the things
  • Emulator: BizHawk 2.10 (x64) on default settings
  • ROM SHA1: E6250D3236B9D8DAB0F2CC3EAB61CE4DF006E624
  • BIOS: same one used by retroarch
  • BIOS SHA1: 1293D68BF9643BC4F36954C1E80E38F39864528D


TASVideoAgent
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TASVideosGrue
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om, nom, nom... blech, bitter!
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hydrideGS wrote:
Also, the BK2 file contains the ROM for the game, hopefully that's okay...? The game itself was free, but it's no longer available to download anywhere.
Never seen that before. The BK2 does still play, as BizHawk ignores the added ROM file. Though I can see uploading ROMs to our site this way being an issue for homebrew like Princess Rescue with non-fair use graphics, or worse, copyrighted ROMs themselves. There ought to be some archive for free Itch.io games, since a fair amount of TASes here are of them, and it seems they're only available on that one site where any dev can delete anything. Archive.org doesn't help in this case as Itch's Download link is broken in their snapshots.
DrD2k9
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After watching this, I wondered if the final fight could be improved. So I started working on it. I managed to save quite a lot of time, so I decided to go back through the whole run and try and improve things. I managed to start 1 frame earlier and made improvements in all stages except stage 6. Most improvements are better lag management with a few improvements from killing enemies (which also results in better lag management). Here is the improved run. User movie #638860535137851114 While a lot of input got changed, I used hydrideGS's input as a base; so I'm asking for this submission to be updated and myself added as co-author. Once I'm added as co-author, I'll upload a new temp encode unless hydrideGS beats me to it. EDIT: As a bonus, the bird no longer takes damage, so this version is truly damageless.
hydrideGS
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DrD2k9 wrote:
After watching this, I wondered if the final fight could be improved. So I started working on it. I managed to save quite a lot of time, so I decided to go back through the whole run and try and improve things. I managed to start 1 frame earlier and made improvements in all stages except stage 6. Most improvements are better lag management with a few improvements from killing enemies (which also results in better lag management). Here is the improved run. User movie #638860535137851114 While a lot of input got changed, I used hydrideGS's input as a base; so I'm asking for this submission to be updated and myself added as co-author. Once I'm added as co-author, I'll upload a new temp encode unless hydrideGS beats me to it. EDIT: As a bonus, the bird no longer takes damage, so this version is truly damageless.
That's good to hear. I personally ran into a lot of issues while trying to fight the boss, namely the fact that there's a long delay between shooting...
DrD2k9
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FYI, I re-cataloged the run under the goal of "100 %" instead of baseline. For anyone wondering, throwing mail slows down stage progress; so I assume a run that delivers the minimum necessary mail to beat the game would be faster than this submission and thus more appropriate as a "baseline" run. "Perfect" from the standpoint of not dying/getting hit isn't really necessary, in my opinion, as it doesn't really make a significant difference compared to a baseline run. EDIT: I renamed the 100% goal to "deliver all mail" as this is more descriptive to what 100% is in the game than simply "100%" and the game doesn't count by percentage as a game like Super Metroid does.
hydrideGS
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Further commentary: - My God, the hitboxes in some places were so much larger than I thought. To the point where they're really just suggestions. - I didn't know what was going on in level 6 with the invisible enemy, so I tried to play it safe by trying not to trigger the glitch at all. It seems the second enemy you hit disappears at one point, which is just... so weird. This run is probably more interesting from a technical standpoint than to actually watch, now that I see everything that's happening. What a curious game... I'm not going to be too harsh towards its creator, because it's a pretty good concept. It really needed more time in the oven, though. EDIT: Especially because, from my testing, you can just... not deliver mail. And you'll still be considered "great."

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