Sonic 3 & Knuckles

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Joined Dec 24, 2014

OP

January 1 2015, 8:45am, edited March 24 2018, 11:38pm

Official Topic Post for discussion about Sonic 3 & Knuckles (Genesis/Mega Drive) Sonic 3 & Knuckles (Genesis/Mega Drive)
Created 01 Jan, 2015 08:45 by Totaya


1. Sonic & Knuckles + Sonic The Hedgehog 3 (USA).md
Sonic and Knuckles & Sonic 3 (W) [!].bin
Sonic & Knuckles + Sonic the Hedgehog 3 (1994-10-18)(Sega)(US).bin
RA Checksum: c5b1c655c19f462ade0ac4e17a844d10
CRC32 Checksum: 63522553

Resources:
GameFAQs
Longplay
Wikipedia

Joined Apr 8, 2015

November 30 2015, 11:20am, edited November 30 2015, 3:50pm

https://retroachievements.org/Achievement/19388 is broken: when you enter Hidden Palace, you get that achievement.

Joined May 25, 2016

May 28 2016, 12:59pm, edited June 17 2016, 11:34am

I'mve added new achievements, as well as re-balanced the points for most of them.

Angel Island Zone (10 -> 5)
Hydrocity Zone (10 -> 5)
Marble Garden Zone (10 -> 5) - No longer requires Knuckles.
Carnival Night Zone (10 -> 5)
Ice Cap Zone (10 -> 5)
Launch Base Zone (10 -> 5)
Mushroom Hill Zone (10 -> 5)
Flying Battery Zone (10 -> 5)
Sandopolis Zone (10 -> 5)
Lava Reef Zone (10 -> 5) - No longer Requires Sonic or Tails.
Hidden Palace Zone (10 -> 5)
Sky Sanctuary Zone (10 -> 5)
Death Egg zone (10 -> 10)
Sonic Victory (10 -> 10)
Knuckles Victory (10 -> 10)
Tails Victory (10 -> 10)
Hyper Sonic Victory (35 -> 10) This is awarded with regular victories.
Hyper Knuckles Victory (35 -> 10) It becomes over-pointed since they stack.
Super Tails Victory (35 -> 10)
Speedy Island (5 -> 10) Requirement turned out being the same.
Ring Base Zone (5 -> 10)
Speedy Mushroom (5 -> 15)
Fire Desert (5 -> 10)
Electric Reef Zone (5 -> 10)
Hyper Space Rings (10 -> 10)
Perfect (5 -> 5)
Nice Emerald (5 -> 5)
Chaos Emerald (10 -> 10)
Super Chaos Emerald (15 -> 15)
Rings-O-Plenty (5 -> 5)
Rings Maniac (5 -> 5)
Lot Of Lives (5 -> 5)
Live And Learn (5 -> 5)
New: Get A Life (5) - Find the uppermost secret in Angel Island Act 2
New: My Lucky Day (10) - Get a Jackpot in the Slot Machine Bonus
New: I'm Outta Here! (5) - Go above the screen in the Pinball Bonus
New: King of the Hill (15) - Go above the screen in Mushroom Hill Zone.
New: Do the M.J. (15) - Perfect Special Stage 1 while going backwards. Don't pause.
New: Too Much Gum (5) - Change your shield 5 times in the Gumball Machine Bonus.
New: Deathless Egg Zone (15) - Complete Death Egg Zone without dying. No super or bonuses.
New: Ice Cap's Treasure (5) - Find the ring-filled chasm in Ice Cap Zone Act 2, complete with a big ring.
New: Just In Time (5) - Complete the level with the timer at 9 minutes and 59 seconds.
New: Sonic the Ringhog (10) - Have 400 rings and complete a stage with them.
New: Right Base Zone (15) - Complete Launch Base Zone Act 1 without pressing Left.
New: Hydrocity's Treasure (5) - Get into Hydrocity Zone Act 1's hidden trapezoid of rings.
New: Can't touch This. (10) - Complete Marble Garden Zone Act 1 without getting hurt. No super or bonus.
New: Cheater the Cheetah (5) - Activate Cheats. NOTE - You cannot get achievements with cheats.

Total:(400->400) DONE

Pushing to Core as soon as I update the achievements to deny cheats...

EDIT: I'll update with the actual changes in a moment.

Joined Feb 9, 2017

February 14 2017, 3:00pm

What is the possibility of adding the score system to this games leaderboard?

I'm aware that there is a problem with farming and exploits, but I think this would be worth looking into as the score in S3&K has been a fairly ignored aspect of gameplay, but could make a fun addition if included in the leaderboards or having personal bests for each level was recorded.

Joined Feb 9, 2017

February 22 2017, 1:40am

A little sniffing around reveals that there apparently IS a points based leaderboard for S3&K.

https://retroachievements.org/leaderboardinfo.php?i=553

It doesn't look like this is activated/implemented/working though. Or maybe it's just a placeholder. Does anyone know anything about this?

Developer

Joined Apr 25, 2016

February 22 2017, 4:40pm

It looks like they shifted it to an address that will never function for the START parameter, so the leaderboard will never start. It does have some code in it, but it looks like it was intentionally put away rather than being deleted.

It's unfortunate, but there's only one cancel-condition for leaderboards, so if they have no way of getting around points-abuse, they probably decided to get rid of it for the time being. Maybe they planned on getting it fixed at some point but just never got around to it, who knows.

Joined Jan 16, 2014

September 7 2017, 4:12am

Noting rich presence bug: RP text: "Unknown"

Joined Sep 10, 2017

November 11 2018, 6:49am

when i finished marble zone with sonic, nothing happened :/

did this happened to someone else? how i fix it?

Joined Mar 17, 2019

April 2 2019, 1:46pm, edited April 2 2019, 6:56pm

A rom indicada no post inicial está certa? Eu achei a rom como "Sonic & Knuckles + Sonic The Hedgehog 3 (World)" e não como "Sonic & Knuckles + Sonic The Hedgehog 3 (USA)".

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Is the rom indicated in the post right? I found a rom like "Sonic and Knuckles + Sonic The Hedgehog 3 (World)" and not as "Sonic and Knuckles + Sonic The Hedgehog 3 (USA)".
DrPixel
DrPixel

May 5 2019, 5:28am

The old icon was outvoted and replaced, here's a backup of it:

Joined Jun 23, 2016

May 6 2019, 9:12pm

The old icon was just epic, except for the logo and writings on the bottom
. But I understand =/
DrPixel
DrPixel

May 20 2019, 7:22pm

The old icon was outvoted and replaced (again), here's a backup of it:

Joined Jan 24, 2021

May 20 2021, 6:38pm, edited May 21 2021, 4:12pm

The checksum: cfcc692427348e58682230a27d9e365d is not compatible, dont know if I can add it myself (I tried but it gave me an error)

The Checksum is from the official steam version of Sonic 3 and Knuckles (https://store.steampowered.com/app/71162/Sonic_3__Knuckles/)

Moderator

Joined Mar 22, 2017

June 6 2021, 2:37pm, edited June 6 2021, 2:37pm

Created new conditional Rich Presence, old one was basic and relied solely on currently playing music.
Backup: https://pastebin.com/MxExNNDq

Moderator

Joined Mar 22, 2017

June 21 2021, 3:26pm

Leaderboards have been added, have fun everyone
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