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Sonic Robo Blast 2 is a 3D open-source Sonic the Hedgehog fangame built using a modified version of the Doom Legacy port of Doom. SRB2 is closely inspired by the original Sonic games from the Sega Genesis, and attempts to recreate the design in 3D. While SRB2 isn't fully completed, it already features tons of levels, enemies, speed, and quite a lot of the fun that the original Sonic games provided.

Download and experience Sonic Robo Blast 2 today!

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News Updates
Releases :: Development :: Website :: Other :: Archive

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SRB2 Version 2.2.6 Patch Release

SeventhSentinel - July 10, 2020

Things don’t always go as planned. Therefore, we’ve brought you another new patch, available on our Downloads page as usual. You will now be able to finish Black Core zone in unmodified single player! (Sorry we missed that.) We’ve also fixed some other small bugs and made some minor adjustments to Marathon Run.

You can read the full changelog here. Enjoy!

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SRB2 Version 2.2.5 Patch Release

SeventhSentinel -

Hi everyone! Go grab our latest update from the downloads page!

We’ve got some great new features for you, including:

  • Shadows now render on the ceiling in reverse gravity.
  • The game now saves as the level ends. If you exit a special stage and re-enter the game, you will be in the next level.
  • You can now play as any character in NiGHTS mode.
  • You can now use SOC and Lua to make custom skincolors.
  • OpenGL has received an overhaul, resulting in performance improvements and shader support. The game ships with some shaders, but if your machine can’t handle them, you can turn them off.
  • Updated music for the tracks originally sourced from Mystic Realm.
  • We added Marathon Mode. It’s for full game speedruns. Find it under the 1 Player menu. We also included options for Ultimate Mode and for creating a backup to come back to if the game crashes during a live event.
  • Knuckles no longer crouches for as long after landing from a glide, making him lose less momentum and feel a little less chunky. He can swim underwater, too, which controls differently from gliding. We gave him a little something extra, too…

Play the video to see these features in action!

See the full changelog here. Enjoy the update!

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Staffing Changes

SeventhSentinel - June 20, 2020

Hello, everyone. I have some important news to announce.

This is not an easy post for me to write. It has been a long, stressful month, and some major changes to Sonic Team Jr.’s staff have taken place as a result of recent events. It is only right that we make these changes transparently.

These changes occurred in the wake of banning and filing a police report for a user known as Sapheros or Purpsky confirmed to be grooming children with the objective of sexual abuse. To be clear, this user had nothing to do with Sonic Team Jr. or the development of SRB2 and the timing of these events are entirely coincidental. As always, we encourage you to let us know about such inappropriate behavior so we can help put a stop to it. The safety of users in this community is our top priority.

Under normal circumstances, we wouldn’t need to announce that Sapheros/Purpsky was banned, but the stress around filing the report for them directly led into stress inside the development team, as well as stress for the staff of our official Discord server, who discussed and pursued legal action against Sapheros/Purpsky over several sleepless nights.

Mystic is permanently banned from STJr and the SRB2 Discord server. This is due to unacceptable behavior including antagonizing a modder and baselessly accusing a fellow community member of using a private Discord server to hide other groomers.

Rob has been removed from STJr, and is banned from the SRB2 Discord server. This is due to mishandling of Mystic’s behavior, abuse of power, and making threats that, if acted upon, would have caused a major split of the SRB2 community.

Prime 2.0 has been removed from STJr. This is due to overstepping personal bounds and poor administrative conduct.

Again, the banning of Sapheros/Purpsky and the removal of these team members are completely separate events. They have no relevance to each other outside of the stress the situations both brought, and their timing.

Any other members that left did so on their own. Please refrain from harassing any of these people. We want this transition to be as smooth as possible for everyone involved.

So where does that leave us? Well, we still have a lot of logistics issues to take care of, but for the foreseeable future, I, SeventhSentinel, will be responsible for maintaining the message boards. SteelT, james, and wolfs will be responsible for managing the master server. We have also made changes to the administration/moderation team on both the message board and the Discord server. Please feel free to get in contact with us for any issues you may have regarding these changes.

Thank you for sticking with us through these tumultuous times, and as always, thank you for playing Sonic Robo Blast 2. We look forward to keeping this community going strong, and we’re more excited than ever to get back to work on the next major update for SRB2.

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SRB2 version 2.2.4 for Mac is now available

Rob Tisdell - May 11, 2020

You can get it from the Dropbox link on the Downloads page! Enjoy!

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SRB2 version 2.2.4 patch release

Rob Tisdell -

Hey all,
We found a critical bug where players couldn’t complete the tutorial using the simple camera mode, so we fixed that. Also, we solved some issues in ACZ where you could get stuck on paths with certain characters. Not much else noteworthy, but you can find the changelog here.

To use this patch, all you need to do is copy the contents of the zip file into your existing 2.2.1, 2.2.2, or 2.2.3 folder and allow Windows to overwrite any files it asks about. Again, we are no longer supporting 64 bit builds. If you have a 64 bit version of SRB2 set up, you absolutely must get a fresh install of 2.2.1 and patch 2.2.4 over the new 2.2.1 install. 2.2.4 will not work if you try to put it in a folder with a 64 bit build.

Linux users, binary packages should be properly updated where they normally are found on the Downloads page.

Mac users, I know I said yesterday that we’d have an update for you guys soon, and in fact, we do have a functional 2.2.3 build for Mac and I was gonna make that public tonight, but now we need to get 2.2.4 squared away for you guys. Sorry! We’ll have that ASAP.

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SRB2 version 2.2.3

Rob Tisdell - May 10, 2020

Hey all
We’ve just added 2.2.3 as a patch update. Find it on the downloads page!

Highlights are:

* The console can now be used during menus
* The emblem hints and radar can now be used in Record Attack
* Continues can now be used infinitely in the vanilla game while using a save file; collecting tokens after obtaining all the emeralds rewards extra lives instead
* Added new laser effects for the Greenflower Zone 3 boss
* Many more features and fixes for modding purposes. See the full changelog here.

Linux users, binaries are available where they usually are. You can find that on the downloads page, they’ll be updated within moments of the post.

Mac users, we have a stable environment to make Mac builds in, we’re hoping to have a 2.2.3 build ready for you guys soon. Hold tight.

Windows users, you’ll notice that we don’t have a 64 bit build again. This is deliberate. The 64 bit build does not provide errorlogs, and those are becoming increasingly more important. The more people we have using those instead of 32 bit builds creates issues for getting reliable bug reports. And since there’s no benefit whatsoever to having a 64 bit build since Windows runs 32 bit applications perfectly fine, we’re not going to provide 64 bit builds until we can figure out what’s going on that is preventing errorlogs from being generated. As such, you will need a fresh 2.2.1 install of the 32-bit build to patch 2.2.3 over, the new patch will not work with the resource files that 64 bit builds required.

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SRB2 Version 2.2.2 Patch Release

Rob Tisdell - February 22, 2020

SRB2 Version 2.2.2. is now available. You can find the patch zip on the Downloads page. You will need to extract it to your 2.2.1 folder. It is mostly some bugfixes, and stuff for modders, though there are a few features that I think people will find beneficial.

We have also released an experimental 64-bit build for this. If you intend on using it, you must delete all existing DLL files from your 2.2.1 folder before extracting this patch.

We are still working on getting Linux and Mac updates for 2.2.1 as well as this. There will be an announcement when they are made available.

You can see the full changelog here.

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SRB2 Version 2.2.1 Release

Rob Tisdell - February 16, 2020

Hey all!

We’re releasing an update to 2.2. 2.2.1 is here! Since so many things were changed, we decided it was correct to release this as a full install package, so you’ll need to redownload this. You should be able to install this into your SRB2 folder where 2.2 lives with no problems. Your save files from 2.2.0 will still be valid.

We’ve been meaning to get it out for a while, but one thing or another always caused a snag in the plans. There are a couple major changes we think people will be happy with (Objects now have shadows, and Fickle’s camera mod have been implemented, for example), but it’s mostly bugfixing. Also, we did neglect to add a name to the credits, so by way of apology, I specifically want to specifically acknowledge QueenDelta in this newspost for having made Dream Hill, a map that she made for 2.1, and was awesome enough for us to include in 2.2. She also made the new chip, enemy, and star assets for that map.

For right now, all we have is a Windows build for 2.2.1. As with 2.2.0, we will initially have a torrent available and update the page as we go. We’ll be periodically updating the download page and newsposts as builds for other platforms get added or otherwise made available.

Video with some noteworthy changes:


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The 2.2 Official Soundtrack Is Now Live!

Rob Tisdell - December 13, 2019

Hey all, a few people have been asking for this, and now it’s finally ready! Head on over to the Soundtrack page to grab it!

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SRB2 Version 2.2 Release

Rob Tisdell - December 7, 2019

SRB2 Version 2.2 Released!

Hey all. 5 years. It’s been a wild ride for us, but we’re finally done. 2.2 is available on the Downloads page (currently torrent-only). If you aren’t familiar with torrents, there are instructions there for you.

I’m not going to bore you with an incredibly long post, so I’ll keep it super brief. I want to give a heartfelt thank you to all of you who stuck with us over the past 5 years, and to all of you who helped contribute along the way. This release is a major milestone for all of us. We’ve been hyping up that 2.2 is a massive upgrade in virtually all respects, and I hope that you won’t be disappointed. On behalf of the development team, enjoy!


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