Skip to main content
Join The Community
- Join our community
11
Premium Benefits
24/7
Access Available
21K+
Active Members
Commenting
Join the discussion
Exclusive Articles Coming Soon
Member-only articles
Weekly Newsletters
Weekly gaming & entertainment news
Member Badges
Earn badges as you go
Exclusive Competitions
Members-only prize draws
Curated Deals Coming Soon
Tech and gaming deals worth grabbing
GET COMMUNITY ACCESS QUICK
For the quickest way to join, simply enter your email below and get access. We will send a confirmation and sign you up to our newsletter to keep you updated on all your gaming news.
By submitting your information you agree to the Terms & Conditions and Privacy Policy and are aged 16 or over.
FIND OUT ABOUT OUR MAGAZINE
Want to subscribe to the magazine? Click the button below to find out more information.
Find out more
GET Community ACCESS QUICK

Join the GamesRadar community for quick access. Enter your email below and we'll send confirmation, and sign you up to our newsletter.

By submitting your information you agree to the Terms & Conditions and Privacy Policy and are aged 16 or over.

Background
Welcome to GamesRADAR+ Community !
Hi ,

Your membership journey starts here.

Keep exploring and earning more as a member.

MY ACCOUNT

Badge picture
Earn your first badge
Read 1 article to unlock your first badge.
Keep earning badges
Explore ways to get more involved as a member.
Latest Games News

Latest Games News

Breaking gaming news and updates

Read Now
Latest Games Reviews

Latest Games Reviews

Expert verdicts on the newest releases

Read Now

See what you’ve unlocked.

Explore your membership benefits.

Explore
Member Exclusives

Stay Ahead with GamesRadar+

Get the biggest gaming news, reviews, and releases straight to your inbox.

Explore

Sign Out
GamesRadar+ GamesRadar+
US EditionUS CA EditionCanada UK EditionUK AU EditionAustralia
Sign in
  • View Profile
  • Sign out
  • Games
    • Game Insights
      • Games News
      • Games Features
      • Games Reviews
      • Games Guides
      • Big in 2026
      • Big Preview
      • Future Games Show
      • Golden Joystick Awards
    • Genres
      • Action Games
      • RPGs
      • Action RPGs
      • Adventure Games
      • Third Person Shooters
      • FPS Games
    • Platforms
      • PS5
      • Xbox Series X
      • PC
      • Nintendo Switch
      • Nintendo Switch 2
      • Tabletop Gaming
    • Franchises
      • Grand Theft Auto
      • Pokemon
      • Assassin's Creed
      • Monster Hunter
      • Fortnite
      • Cyberpunk
      • Red Dead
      • The Elder Scrolls
      • The Sims
  • Entertainment
    • TV Shows
      • TV News
      • TV Reviews
      • Anime Shows
      • Sci-Fi Shows
      • Superhero Shows
      • Animated Shows
      • Marvel TV Shows
      • Star Wars TV Shows
      • DC TV Shows
    • Movies
      • Movie News
      • Movie Reviews
      • Big Screen Spotlight
      • Superhero Movies
      • Action Movies
      • Anime Movies
      • Sci-Fi Movies
      • Horror Movies
      • Marvel Movies
      • DC Movies
    • Streaming
      • Apple TV Plus
      • Disney Plus
      • Netflix
      • HBO
      • Amazon Prime Video
      • Hulu
    • Comics
      • Marvel Comics
      • DC Comics
    • Toys & Collectibles
    • Lego
    • Dungeons and Dragons
    • Merch
  • Hardware
    • Insights
      • Hardware News
      • Hardware Reviews
      • Hardware Features
    • Computing
      • Desktop PCs
      • Laptops
      • Handhelds
    • Peripherals
      • Headsets & Headphones
      • TVs & Monitors
      • Gaming Mice
      • Gaming Keyboards
      • Gaming Chairs
      • Speakers & Audio
    • Accessories & Tech
      • Gaming Controllers
      • Tech
      • SSDs & Hard Drives
      • VR
      • Accessories
      • Retro
  • Deals
    • Game Deals
    • Tech Deals
    • TV Deals
    • Buying Guides
  • Video
    • Video
    • GR+ Replay - Submit Your Clips
  • Newsletters
    • Quizzes
    • About Us
    • How to pitch to us
    • How we score
    • Newsarama
    • Retro Gamer
    • Total Film
  • home
  • Games
    • View Games
      • Games News
      • Games Features
      • Games Reviews
      • Games Guides
      • Big in 2026
      • Big Preview
      • Future Games Show
      • Golden Joystick Awards
      • Action Games
      • RPGs
      • Action RPGs
      • Adventure Games
      • Third Person Shooters
      • FPS Games
    • Platforms
      • View Platforms
      • PS5
      • Xbox Series X
      • PC
      • Nintendo Switch
      • Nintendo Switch 2
      • Tabletop Gaming
      • Grand Theft Auto
      • Pokemon
      • Assassin's Creed
      • Monster Hunter
      • Fortnite
      • Cyberpunk
      • Red Dead
      • The Elder Scrolls
      • The Sims
  • Entertainment
    • View Entertainment
    • TV Shows
      • View TV Shows
      • TV News
      • TV Reviews
      • Anime Shows
      • Sci-Fi Shows
      • Superhero Shows
      • Animated Shows
      • Marvel TV Shows
      • Star Wars TV Shows
      • DC TV Shows
    • Movies
      • View Movies
      • Movie News
      • Movie Reviews
      • Big Screen Spotlight
      • Superhero Movies
      • Action Movies
      • Anime Movies
      • Sci-Fi Movies
      • Horror Movies
      • Marvel Movies
      • DC Movies
    • Streaming
      • View Streaming
      • Apple TV Plus
      • Disney Plus
      • Netflix
      • HBO
      • Amazon Prime Video
      • Hulu
    • Comics
      • View Comics
      • Marvel Comics
      • DC Comics
    • Toys & Collectibles
    • Lego
    • Dungeons and Dragons
    • Merch
  • Hardware
    • View Hardware
      • Hardware News
      • Hardware Reviews
      • Hardware Features
      • Desktop PCs
      • Laptops
      • Handhelds
    • Peripherals
      • View Peripherals
      • Headsets & Headphones
      • TVs & Monitors
      • Gaming Mice
      • Gaming Keyboards
      • Gaming Chairs
      • Speakers & Audio
      • Gaming Controllers
      • Tech
      • SSDs & Hard Drives
      • VR
      • Accessories
      • Retro
  • Deals
    • View Deals
    • Game Deals
    • Tech Deals
    • TV Deals
    • Buying Guides
  • Video
    • View Video
    • Video
    • GR+ Replay - Submit Your Clips
  • Newsletters
    • Quizzes
    • About Us
    • How to pitch to us
    • How we score
    • Newsarama
    • Retro Gamer
    • Total Film
Trending
  • Crimson Desert
  • Arc Raiders
  • The Boys S5
  • Best turn-based RPGs
  • Submit your clips. Win prizes
Don't miss these
White Neo Geo AES+ console with wireless controller adapter and memory card inserted with Metal Slug cartridge on top.
Retro The Neo Geo AES is back, but the retro console remake is effectively the real deal reborn with HDMI
Close up of Analogue 3D running Super Smash Bros N64 on LG OLED TV featuring Kirby with Link hat.
Retro The latest Analogue 3D update adds "advanced HDR" that will make your OLED look even more like a CRT
Hand holding Anbernic RG Cube with gameplay from Zelda: Oracle of Seasons intro on screen.
Retro Best retro handheld 2026: my portable picks for playing the classics
Nintendo Switch 2 sitting in centre with Steam Deck OLED above on left, Anbernic RG Cube aboveon right, Anbernic RG28XX directly left, Modretro Chromatic on right, and MSI Claw 8 AI+ below on woodgrain desk.
Handhelds Best gaming handheld 2026: portable consoles and PCs I'd take on the go
Evercade Alpha closeup with Ryu from Street Fighter on screen
Retro Best retro consoles 2026: my favorite ways to play classic capers
Hands holding modded black 8Bitdo N64 controller with colorful buttons.
Retro I need every 8Bitdo N64 controller owner to know there's now classic colorful buttons for $4
Angled view of Steam Machine with glowing edges and Steam game artwork panels in backdrop.
Desktop PCs The Steam Machine is on the way, so here's everything I need you to know before Valve's mini PC lands
Atari Pocket Player Pro handheld on woodgrain desk with game menu on screen and "Fast Eddie" selected.
Retro I assumed the Atari Pocket Player Pro would be a modern version of my first ever crusty clone console, but it's actually a solid budget handheld
Evercade EXP-R handheld in front of Evercade VS-R console on woodgrain desk.
Retro Everything Evercade: All the latest cartridge releases and consoles for Blaze's modern retro platform
Hands holding new Steam Controller in front of woodgrain surface with chess board in backdrop.
Desktop PCs Steam Machine delays are getting me down, but Valve could be extremely cool and release its controller right now
Hand holding Playdate handheld with Wheelsprung game on screen.
Handhelds ChatGPT code snuck onto the Playdate, but don't worry, handheld creators Panic are now barring AI games
Original GameCube with Blueretro Wireless Adapter in port next to Sony PVM CRT with hand holding Switch 2 GameCube controller in front.
Retro I've finally found a way to use the Switch 2 GameCube controller with an actual GameCube
Hand holding N64 controller and 8Bitdo controller with Analogue 3D in backdrop with Donkey Kong 64 cartridge inserted.
Retro You can now use Nintendo's N64 Switch online controller with the Analogue 3D, but I've got a few better options worth looking at
Evercade Nexus 64 Edition handheld with King of Fighters gameplay on screen and purple backdrop.
Retro Evercade Nexus pre-orders are live, but I'm sad to say the fancy N64 edition is long gone
Hand holding Intellivision Sprint controller with console behind and TV displaying main menu in backdrop.
Retro Intellivision Sprint review
  1. Hardware
  2. Retro

Commodore is now blocking custom C64 Ultimate firmware, but it's exploring ways to balance "user freedom with user protection"

News
By Phil Hayton published 20 April 2026

Custom FPGA firmware "could lead to hardware returns and replacements."

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Commodore 64 Ultimate with purple RGB lighting next to CRT PVM and portable monitor with blue Basic screen displayed.
(Image credit: Phil Hayton)
  • Facebook
  • X
  • Pinterest
  • Flipboard
  • Email
Share this article
0
Join the conversation
Follow us
Add us as a preferred source on Google
Sign up to the GamesRadar+ Newsletter

Weekly digests, tales from the communities you love, and more


By submitting your information you agree to the Terms & Conditions and Privacy Policy and are aged 16 or over.

You are now subscribed

Your newsletter sign-up was successful


Want to add more newsletters?

GamesRadar+

Every Friday

GamesRadar+

Your weekly update on everything you could ever want to know about the games you already love, games we know you're going to love in the near future, and tales from the communities that surround them.

GTA 6 O'clock

Every Thursday

GTA 6 O'clock

Our special GTA 6 newsletter, with breaking news, insider info, and rumor analysis from the award-winning GTA 6 O'clock experts.

Knowledge

Every Friday

Knowledge

From the creators of Edge: A weekly videogame industry newsletter with analysis from expert writers, guidance from professionals, and insight into what's on the horizon.

The Setup

Every Thursday

The Setup

Hardware nerds unite, sign up to our free tech newsletter for a weekly digest of the hottest new tech, the latest gadgets on the test bench, and much more.

Switch 2 Spotlight

Every Wednesday

Switch 2 Spotlight

Sign up to our new Switch 2 newsletter, where we bring you the latest talking points on Nintendo's new console each week, bring you up to date on the news, and recommend what games to play.

The Watchlist

Every Saturday

The Watchlist

Subscribe for a weekly digest of the movie and TV news that matters, direct to your inbox. From first-look trailers, interviews, reviews and explainers, we've got you covered.

SFX

Once a month

SFX

Get sneak previews, exclusive competitions and details of special events each month!


Join the club

Get full access to premium articles, exclusive features and a growing list of member rewards.


An account already exists for this email address, please log in.
Subscribe to our newsletter

The Commodore 64 Ultimate just got its first firmware update, but it's upsetting FPGA fans who prefer using custom software builds. While the patch provides the microcomputer remake with perks like USB mouse support, a music detect mode for the RGB lighting, and various other improvements, the company has also decided to "prevent non-Commodore FPGA-level firmware builds from being installed."

In a blog post titled "Why We're Protecting Your Commodore 64 Ultimate FPGA," the reborn microcomputer maker directly addresses firmware lockdown concerns. The company's Chief Technical Officer, Marc Bilodeau kicks off the update by reassuring enthusiasts that upgrades and new features are part of the roadmap, but swiftly turns towards addressing the criticism at hand.

"There will be new hardware revisions, new components, and new capabilities! This is foundational to our roadmap and, frankly, core to the Commodore 64 Ultimate's value proposition. But it also means that firmware built for a different board may not behave safely on ours," Explains Bilodeau.

Article continues below
You may like
  • Close up of Atari 520ST microcomputer badge at right hand side of machine. The Atari ST is making a mini FPGA-powered comeback, but don't expect Commodore 64 Ultimate levels of availability
  • Evercade Alpha closeup with Ryu from Street Fighter on screen Best retro consoles 2026: my favorite ways to play classic capers
  • Evercade EXP-R handheld in front of Evercade VS-R console on woodgrain desk. Everything Evercade: All the latest cartridge releases and consoles for Blaze's modern retro platform

Commodore 64 Ultimate

(Image credit: Phil Hayton)

The CTO elaborates by arguing that if users implement custom firmware not made for the C64U, "it could lead to hardware returns and replacements due to actions entirely out of our control. This would have significant financial implications for Commodore, a brand that we know holds a special place in your heart."

Need a quick Commodore fix?

C64 Mini Black Edition | $84.99 at Amazon

Simply put, Commodore is hoping to protect the C64U hardware and the brand from potential FPGA firmware mismaps. The idea of locking down systems to better provide support extends to pretty much every proprietary platform out there, including some of the best retro consoles like the Analogue 3D, but enthusiasts will argue that users should have a choice when it comes to sideloading and modding.

Commodore stresses that its fear regarding custom C64 Ultimate firmware "isn't hypothetical," and is already seeing examples crop up. "We've seen it already in recent community posts," warns Bilodeau, "after users performed updates with the wrong firmware and found their machines in a non-functioning state. Then they contacted Commodore. It's an engineering reality we need to get ahead of now, not after more units stops working."

Commodore 64 Ultimate

(Image credit: Phil Hayton)

Addressing frustrations with the fact that the machine is using the same board as the original Ultimate64 by Gideon Zweijtzer, the microcomputer maker argues, "What's happening with this future update isn't about creating walled gardens to keep outside developers away from our systems. It's simply and primarily about two products that share a common origin but are forking down different paths."

Sign up to the GamesRadar+ Newsletter

Weekly digests, tales from the communities you love, and more

By submitting your information you agree to the Terms & Conditions and Privacy Policy and are aged 16 or over.

Simply put, Commodore is arguing that the firmware lockdown is a damage control measure. At the same time, it's admitting that blocking custom sideloading isn't really in the spirit of FPGA tech, as the scene is already used to open-source hardware like the SuperStation One that uses MiSTer FPGA cores. The situation boils down to fears that the unofficial software could brick your machine due to hardware differences, but to many, it will be a massive caveat in terms of hardware ownership and customization.

The good news is that the FPGA lockdown could be a temporary measure, as Commodore says it's "still considering alternative approaches and evaluating which path best balances user freedom with user protection." That may mean it eventually opts to simply warn people with a message or provide what it deems a safer way to sideload firmware. It opens the door to suggestions by saying "we welcome your input on that," so there's a chance savvy users will influence a better solution for future updates.


Looking for ways to play classics on the go? Swing by the best retro handhelds for emulation gadgets and more.

Phil Hayton
Phil Hayton
Social Links Navigation
Hardware Editor

Phil is the Hardware Editor at GamesRadar+ who specializes in retro console setups, choosing the latest gaming handhelds, and navigating the choppy seas of using modern-day PC hardware. In the past, they have covered everything from retro gaming history to the latest gaming news, in-depth features, and tech advice for publications like TechRadar, The Daily Star, the BBC, PCGamesN, and Den of Geek. In their spare time, they pour hours into fixing old consoles, modding Game Boys, exploring ways to get the most out of the Steam Deck, and blasting old CRT TV visuals into their eye sockets.

You must confirm your public display name before commenting

Please logout and then login again, you will then be prompted to enter your display name.

Read more
Close up of Atari 520ST microcomputer badge at right hand side of machine.
Retro The Atari ST is making a mini FPGA-powered comeback, but don't expect Commodore 64 Ultimate levels of availability
 
 
Evercade Alpha closeup with Ryu from Street Fighter on screen
Retro Best retro consoles 2026: my favorite ways to play classic capers
 
 
Evercade EXP-R handheld in front of Evercade VS-R console on woodgrain desk.
Retro Everything Evercade: All the latest cartridge releases and consoles for Blaze's modern retro platform
 
 
Gametank console plugged into CRT with Accursed Fiend game on screen.
Retro The Gametank just smashed its crowdfunding goals, and I'm thrilled at the idea of a new 8-bit retro console in the big 26
 
 
White Neo Geo AES+ console with wireless controller adapter and memory card inserted with Metal Slug cartridge on top.
Retro The Neo Geo AES is back, but the retro console remake is effectively the real deal reborn with HDMI
 
 
Mangmi Pocket Max on table next to original Xbox Duke controller with Halo: Combat Evolved cutscene on screen featuring Master Chief.
Retro I feel like I can't escape Xbox drama, as even new retro handheld emulators are causing a stir over app charges
 
 
Latest in Retro
Close up of GameSir Pocket Taco with Zelda: Oracle of Ages cutscene of Link and Nayru on screen.
Retro Gamesir's excellent Pocket Taco Game Boy controller is finally at Amazon, but the price is weird
 
 
White Neo Geo AES+ console with wireless controller adapter and memory card inserted with Metal Slug cartridge on top.
Retro The Neo Geo AES is back, but the retro console remake is effectively the real deal reborn with HDMI
 
 
Hand with long nails holding Anbernic RG Rotate with USB cable coming out of top and cassette tape animation on screen.
Retro The Anbernic RG Rotate fuses my 2000s high school cellphone with GBA buttons to make what could be a magical MP3 player
 
 
Hand holding 8Bitdo M30 2.4GHz controller in front of desk with Japanese Sega Mega Drive connected to Sony Trinitron CRT TV with BLÅHAJ Ikea shark on top and Golden Axe title on screen.
Retro I’m punching myself for not buying an 8Bitdo M30 sooner, as it’s a near-perfect wireless Sega Mega Drive controller
 
 
Close up of Analogue 3D running Super Smash Bros N64 on LG OLED TV featuring Kirby with Link hat.
Retro The latest Analogue 3D update adds "advanced HDR" that will make your OLED look even more like a CRT
 
 
Hand holding 8Bitdo M30 Sega Mega Drive/Genesis controller with Sonic the Hedgehog 2 title on Sony Trinitron CRT TV next to Japanese console.
Retro I've finally swapped out my beloved six-button Sega Mega Drive controller for the 8Bitdo M30
 
 
Latest in News
Sam Porter Bridges flexes for the camera in Death Stranding 2
Action Games Hideo Kojima flexes on NASA, shows Death Stranding 2 players traveled further than the Artemis 2 mission
 
 
GTA 6 characters from trailer 2
Grand Theft Auto Take-Two CEO says AI should replace Elon Musk after his claim GTA 6 could come from gen-AI
 
 
Alyssa Sutherland as Ellie in Evil Dead Rise
Horror Movies Evil Dead Burn trailer promises bloody one-shot carnage with levitating Deadites
 
 
Elden Ring
Fantasy Movies Elden Ring movie sets 2028 release date, full cast, and confirms it will be filmed for IMAX
 
 
A man looking straight ahead during one of the best Xbox Series X games, Clair Obscur: Expedition 33
RPGs Clair Obscur: Expedition 33 Gustave actor had no idea fans could love game characters as much as they do those in movies
 
 
A reveal image of the new GameSir Tarantula Series controllers
Gaming Controllers GameSir's bizarrely discontinued TMR controller is being resurrected as an officially licensed Xbox peripheral
 
 
LATEST ARTICLES
  1. Sam Porter Bridges flexes for the camera in Death Stranding 2
    1
    Hideo Kojima flexes on NASA, shows Death Stranding 2 players traveled further than the Artemis 2 mission
  2. 2
    All Elementalism codes (April 2026) codes for free Aureus
  3. 3
    Stranger Things: Tales From '85 showrunner says the upcoming series won't just be a "Monster of the Week" adventure
  4. 4
    Clair Obscur: Expedition 33 Gustave actor had no idea fans could love game characters as much as they do those in movies
  5. 5
    Evil Dead Burn trailer promises bloody one-shot carnage with levitating Deadites

GamesRadar+ is part of Future US Inc, an international media group and leading digital publisher. Visit our corporate site.

Add as a preferred source on Google Add as a preferred source on Google
  • Terms and conditions
  • Contact Future's experts
  • Privacy policy
  • Cookies policy
  • Accessibility statement
  • Careers
  • About us
  • Advertise with us
  • Review guidelines
  • Write for us

© Future US, Inc. Full 7th Floor, 130 West 42nd Street, New York, NY 10036.

Please login or signup to comment

Please wait...