Dr. Robotnik's Ring Racers Switch

Dr. Robotnik's Ring Racers
General
Author	Craftyawesome
Type	Racing
Version	2.4 r2
License	GPL-2.0
Last Updated	2025/11/16
Links
Download
Website
Source

This is a port of Dr. Robotnik's Ring Racers for the Nintendo Switch. It is a kart racing video game that builds upon the successes of its predecessor Sonic Robo Blast 2 Kart (SRB2Kart).

Installation

For fresh install:

• Download the zip from releases.
• Extract to the root of the SD card.
• Start via a game (not album or another applet).

Updating instructions:

• Extract the new zip to the root of the SD card and overwrite any changes.
• Revisions for only the switch likely only need to update the nro in switch/RingRacers (see the release notes)

Notes:

• It takes a while to boot up, longer than SRB2/kart do.
• Increase the CPU clock with something like sys-clk. It helps framerates significantly, which is needed to get modes with multiple racers to a playable framerate.
• Legacy GL is not very stable, especially with multiple racers. Consider using software only.
• Recommended resolution: 708x400 under software, and 800x450 for less complex tracks or one racer. Legacy GL can handle larger at similar framerates.
• Buttons match the Xbox controller layout. (A and B are swapped, X and Y are swapped)

Media

Dr. Robotnik's Ring Racers - Promo (2024) (Kart Krew Dev)

Changelog

2.4 r2

• Recompile for Atmosphere 1.10.
• Merged upstream 2.4-maintenence.
• Only NRO download is required if you installed a previous release of 2.4.

v2.4

• Update to 2.4. Please see the official site for release notes.

v2.3-r6

• Fix undersaturated icon, now matches ingame/website. Also change crop.
• Fix log sometimes being incomplete on exit/crash.

v2.3-r5

• Cache colormaps between frames (software renderer only).
  • Significantly improves framerate primarily when many racers are on-screen.
  • Massively improves framerate for color selection.
• Improve perf when log is being spammed, such as loading some addons.
• Slightly speed up filesearch.
• Slightly speed up boot.

v2.3-r4

• Fixed crash when hosting game.
• Significantly improved boot time, almost 3x faster.
• Massively improved addon search and load speed.
• Workaround for extremely rare crash at end of races.

v2.3-r3

• Small performance improvement.
  • The game now pauses when you press the home button. (like most games, not when online or in record attack)
  • Only NRO download is required if you installed the previous release.

v2.3-r2

• Fixed Addons.
  • The game now pauses when you press the home button. (like most games, not when online or in record attack)
  • Only NRO download is required if you installed the previous release.
  • For the full notes on this release read here: https://github.com/KartKrewDev/RingRacers/releases/tag/v2.3

v2.3

• First Release. For the full notes on this release read here: https://github.com/KartKrewDev/RingRacers/releases/tag/v2.3

Credits

Thanks to heyjoeway and carstene1ns for their work on SRB2/kart, which was referenced for this port.

External links

• GitHub - https://github.com/Craftyawesome/RingRacers-Switch
• GBAtemp - https://gbatemp.net/threads/dr-robotniks-ring-racers-switch-port.657059/