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Joined Jul 12, 2015


April 6 2016, 10:04pm, edited December 2 2020, 2:25pm

Official Topic Post for discussion about Mappy (NES) Mappy (NES)
Created 06 Apr, 2016 23:04 by SamuraiGoroh

1. Mappy (Japan).nes
Mappy (J) [!].nes
Mappy (1984-11-14)(Namco)(JP).nes
V14- RA Checksum: afbfb5dfe91f6ef10ceee9ed3068ea14
V15+ RA Checksum: 87ecd2cc23de21ffd69439db9a1ca778
ROM Checksum: b0ba60bc0866efc73ccd62defc0120d5
CRC32 Checksum: 3F0E8E0A

Plus 6 unique ROM Checksum variations with the same V14- RA Checksum (11 total)
Mappy (J) {[b1], [o1], [o2]}, {[T+Chi], [a1]}, {MZ700 NO PCG (Hack)}
Mappy (1984-11-14)(Namco)(JP){, [h2][iNES title], [h][iNES title], [tr zh Qiyu][v.20040222], [tr zh]}

2. Mappy (J) [T+Rus_Cool-Spot].nes
RA Checksum: 2aa4dcef811569ad14ea89a8e741d304
ROM Checksum: f363ef7616cb274853d23e12147e0cfc
CRC32 Checksum: 89FADE8B

3. Mappy (Japan).nes + Marippy.ips
V15+ RA Checksum: 9927cbec8873a3a6bf6793a892d8ed8f
ROM Checksum: dafae0565a71eed270563def8f0a6a3e
CRC32 Checksum: 4569C7BC


Joined Jul 12, 2015


April 6 2016, 10:14pm

I see you created some achievements for this game, WORM. I think there's room for some challenges:

It seems that if you wait some time (think it was like 80 seconds) then the music speeds ups. If you then take around an extra 70 sec, there's a cat coin that chases you and if you touch it, you're dead.

There's also grabbing items when the big cat hides, it gives you bonus points. Maybe even a challenge for getting X points in the first stage.

And lets not forget about getting rid of the cats (either with a door or a bell), you can even take several of them in a row. (There's no address labeled for this yet though)

I think you could add another achievement for breaking a string and not dying, or not using those special doors and beat a particular level. For what it seems, the code for that is level-dependent, so is not easy to make it to work for any level, so is fine to just make it level-dependent.

Joined Jun 17, 2015

April 7 2016, 7:11am

I didn't know what the cat coin was until now. I'll definitely have to implement it. There's already a note for something relating to the cat coin I can use. As for the others, I'm not sure what I should be looking for/how to look for those addresses. I'll read more of the dev tutorial posts in the forum and hopefully by then I'll know how to add more creative challenges.

Joined Jun 17, 2015

April 7 2016, 8:35pm

I added some relating to the cat coin. The 30 point one is brutal.

Joined Jun 17, 2015

April 8 2016, 7:13am, edited April 9 2016, 7:01am

Here's one for breaking a trampoline and surviving.

I've fallen and I CAN get up! I've fallen and I CAN get up! (5)

Joined Jul 12, 2015


April 9 2016, 7:07pm

First of all, thanks for making achievements of this game. I had plans to eventually create some, but I find it bothersome to create the icons and names & that's the reason I haven't done more achievements recently (and I don't have as much free time as I used to)...

Second of all, I had a few achievements triggering in a wrong timing, most importantly the level 1, level 1 again & some of the Gosenzo's one. I was wondering why didn't you used the address 0x7b, which determines when you beat a level.

I'll try to look for addresses for the other achievements suggestions. Also, I was thinking on having an achievement for walking on the roof (but I would prefer to walk some distance before it triggers). I was also thinking on adding a leaderboard for most points on the first level too and maybe another one for most points at the end of the game...

Joined Jun 17, 2015

April 10 2016, 5:23am, edited April 10 2016, 9:30am

I actually really like making the icons and names :P

Yeah, I noticed some achievements were getting triggered at stupid times. I updated a few achievements not long after I saw that you earned some of them. I figured out why the Gosenzo achievements were triggering. The note for the coin was already in there, so I assumed it would be fine to use by itself. Turn out, it goes all over the pace during the bonus stage. I think they're fixed now. I also think I fixed the level 1's achievements too.

I just looked at a recent player's earned achievements, and I'm very convinced that it's all working correctly now. Also, I think some leaderboards for this game would be great! I thought about doing that, but they seemed a little complicated to implement, so I just focused on the achievements.
Up on the Rooftop Up on the Rooftop (10)


Joined Aug 15, 2017

November 19 2017, 5:34am

I'd like to add more achievements. For now, I created 10 new achievements (in Unofficial now) and have ideas for ~10 more.


Joined Aug 15, 2017

November 20 2017, 3:30am, edited April 1 2018, 10:21am

10 new achievements are added. At least 6 more are planned.
EDIT: 5 more are added. The set have 400 points now but it's not "officially" released for now.
EDIT 2: I have plans for 3 more cheevos.


Joined Aug 15, 2017

April 1 2018, 10:23am, edited April 1 2018, 10:24am

Fixed Perfect bonus series. Cheevos were trigerring just after starting the bonus level.
Changed condition in 3-UP 3-UP (10). 120000 -> 140000 because after 70000 points every next 1up will gain 70000 points.

Badges should be added, 2-3 more cheevos too and set can be called officailly renewed.

Joined Dec 1, 2017

December 1 2020, 7:47am

The graphic/text hack Marippy has been tested thoroughly and can be linked. This hack changes some graphics and provides no balance or gameplay changes.
Apply to any Mappy (J) [!].nes rom in the OP
Link to the patch
RA Checksum: 9927cbec8873a3a6bf6793a892d8ed8f

Joined Sep 4, 2018

December 1 2020, 9:14am

ty for a touhou resprite hack :)

Joined Jun 12, 2018

December 2 2020, 6:40pm

Please include the version from the Namco Arcade Collection, which has an altered copyright screen thus is considered a different ROM.

RANES Checksum: d4659a19e29fe64041bf9305078c82cc

Joined May 7, 2016

October 15 2021, 2:49pm

1-UP 1-UP (5) 10 -> 5
2-UP 2-UP (10) 5 -> 10

Cat and Mouse I Cat and Mouse I (10) 25 -> 10
Cat and Mouse V Cat and Mouse V (25) 10 -> 25
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