New SNES game: Yo-Yo Shuriken [Cartridge+ROM]

Discussion of hardware and software development for Super NES and Super Famicom.

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drludos
Posts: 54
Joined: Mon Dec 11, 2017 4:01 pm

New SNES game: Yo-Yo Shuriken [Cartridge+ROM]

Post by drludos » Wed Nov 27, 2019 7:56 pm

Hi everyone!

After a long and hard work both on the software and hardware front, I'm happy to announce you the release of my first SNES game: Yo-Yo Shuriken.
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Defend the dojo!


Use your secret ninja weapon, the mighty "Yo-Yo Shuriken" to defeat the robot hordes and their deadly bosses.
Master the technique of throwing the shuriken to attack enemies from the front and then recalling it to hit them from behind! Focus your energy into the Yo-Yo Shuriken to deliver a powerful charged attack that can cut through several enemies at once!
- 7 levels of intense action!
- Solo and 2-player co-op modes!

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The game is now available on cartridge with a beautiful cardboard box and a manual from Catskull Games:
https://catskullgames.com/yo-yo-shuriken

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!Black Friday Sale!

All the games from Catskull Games, including Yo-Yo Shuriken but also my previous Game Boy games (Sheep It Up! and DMG Deals Damage) are 10% off until December 2nd, 2019!
At checkout, enter the promo code BF2019 to get the discount!

The cartridge is made from newly built elements (PCB, shells, etc.) all designed and hand assembled in the US by Catskull himself. The cartridge is region-free. It has been tested and working on NTSC SNES, PAL SNES, JP SFC, and Analogue Super Nt. The box and manuals are also printed and hand assembled in the US, using materials that make them as close as possible to the original SNES releases from the 90's!

Also, you can also buy only the ROM of the game if you prefer to play it on emulator:
https://drludos.itch.io/yo-yo-shuriken


If anyone is wondering, the game is made 100% in C, using the wonderful PVSNESlib SDK (https://github.com/alekmaul/pvsneslib)!


Whether you play it on real hardware or on emulator, I really hope you'll enjoy this game!
Download ROMs of my games: https://drludos.itch.io/
Support my work and get access to beta and prototypes: https://www.patreon.com/drludos

drludos
Posts: 54
Joined: Mon Dec 11, 2017 4:01 pm

Re: New SNES game: Yo-Yo Shuriken [Cartridge+ROM]

Post by drludos » Fri Mar 20, 2020 12:07 pm

Hi everyone! Like many other devs, in order to bring everyone a few minutes of escapism during these hard times, I'm making my Super Nintendo game "Yo-Yo Shuriken" free for this weekend!

You can get the game here during this weekend:

https://itch.io/s/28997/stay-at-home-snes-sale

I wish you all courage and hope you'll enjoy it.

Dr. Ludos.
Download ROMs of my games: https://drludos.itch.io/
Support my work and get access to beta and prototypes: https://www.patreon.com/drludos

93143
Posts: 1227
Joined: Fri Jul 04, 2014 9:31 pm

Re: New SNES game: Yo-Yo Shuriken [Cartridge+ROM]

Post by 93143 » Thu Apr 16, 2020 5:37 am

I beat it!

It's pretty simple, but surprisingly absorbing.

I did soft-lock it once, though. My shuriken got in between two orange shields at an angle to each other and wouldn't stop bouncing between them. Considering how much is onscreen, it seems fairly robust.

Thank you for this. I don't buy things much, but I couldn't pass it up at that price.

drludos
Posts: 54
Joined: Mon Dec 11, 2017 4:01 pm

Re: New SNES game: Yo-Yo Shuriken [Cartridge+ROM]

Post by drludos » Wed Apr 22, 2020 2:37 pm

Thanks a lot for the feedback, it's always very motivating to hear back from players :)

I'm glad you enjoyed it!
I spend quite a lot of time fine-tuning / balancing the gameplay and the various levels / enemy waves, so I'm happy to hear it seems to work well!

Regarding the soft-lock, do you remember what boss you encountered it with?
Download ROMs of my games: https://drludos.itch.io/
Support my work and get access to beta and prototypes: https://www.patreon.com/drludos

93143
Posts: 1227
Joined: Fri Jul 04, 2014 9:31 pm

Re: New SNES game: Yo-Yo Shuriken [Cartridge+ROM]

Post by 93143 » Wed Apr 22, 2020 3:51 pm

It wasn't a boss. It was during a level. Two of the little orange shields that bounce your shuriken off at an angle just happened to be in exactly the right relative positioning to keep bouncing it between them indefinitely.

As it happens there were a couple of options for breaking out of it: (a) wait for another enemy to show up in between them and get hit, or (b) kill myself. I only considered it a soft-lock because in principle the two shields could have been the only two enemies left, which would have eliminated (a) as a possibility. In this case I got impatient waiting for (a) and accidentally did (b), and it was my last life so...

drludos
Posts: 54
Joined: Mon Dec 11, 2017 4:01 pm

Re: New SNES game: Yo-Yo Shuriken [Cartridge+ROM]

Post by drludos » Thu Apr 23, 2020 3:49 pm

Thanks for the details, and sorry it lead to a game over!

This is an issue that I did find during beta testing, and I did some fixes to prevent it from happening again (IIRC, the bouncing position is slightly increased or decreased when both X and Y speed of the shuriken are set to prevent an infinite bounce loop). I'm really sorry to hear the fix wasn't 100% perfect despite all the beta testing I did :(.

So thanks a lot for reporting it!
Download ROMs of my games: https://drludos.itch.io/
Support my work and get access to beta and prototypes: https://www.patreon.com/drludos

drludos
Posts: 54
Joined: Mon Dec 11, 2017 4:01 pm

Re: New SNES game: Yo-Yo Shuriken [Cartridge+ROM]

Post by drludos » Thu May 28, 2020 6:44 pm

I've just published a long article about making my SNES game Yo-Yo Shuriken.

It starts with the various steps I went through to design and program the game. Then, it details how we manufactured new cartridges (with box and manual) for a console whose commercial support ceased more than 20 years ago! (spoiler: all cartridges and boxes and hand-assembled for each order!)

You can read the article here:
https://drludos.itch.io/yo-yo-shuriken/ ... me-in-2020

I hope you'll enjoy it!
Download ROMs of my games: https://drludos.itch.io/
Support my work and get access to beta and prototypes: https://www.patreon.com/drludos

coto
Posts: 50
Joined: Wed Mar 06, 2019 6:00 pm
Location: Chile

Re: New SNES game: Yo-Yo Shuriken [Cartridge+ROM]

Post by coto » Thu May 28, 2020 9:46 pm

drludos wrote:
Thu May 28, 2020 6:44 pm
I've just published a long article about making my SNES game Yo-Yo Shuriken.

It starts with the various steps I went through to design and program the game. Then, it details how we manufactured new cartridges (with box and manual) for a console whose commercial support ceased more than 20 years ago! (spoiler: all cartridges and boxes and hand-assembled for each order!)

You can read the article here:
https://drludos.itch.io/yo-yo-shuriken/ ... me-in-2020

I hope you'll enjoy it!
Incredible work and passion you show at creating Snes games. I'm somewhat like that towards the NintendoDS lol. :beer: :beer: :beer: :beer:

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