Who We Are

Sumo is a world-class, award-winning game developer with seven UK studios in Sheffield, Nottingham, Newcastle, Leamington Spa, Warrington, The Chinese Room in Brighton, and Red Kite Games in Leeds, along with our India studio in Pune.

Who We Are

We’re Sumo Digital, a family of award-winning game development studios.

We’ve been around since 2003 and have grown from just 15 people to over 700, with seven studios in the UK and one in Pune, India.

Sumo Sheffield | Sumo Nottingham | Sumo Newcastle | Sumo Pune | Sumo Leamington
Sumo Warrington | The Chinese Room | Red Kite Games

Our development work covers all major gaming platforms, and we’re proud to produce critically acclaimed games enjoyed by all. We’ve been lucky enough to work on some incredible franchises, as well as some of the world’s biggest publishers, including Microsoft, Sony, and 2K.

Want to learn more about us? Keep exploring our website to find out about our awards and accolades, key staff, charity work and more — or get in touch with our recruitment team to find out what job opportunities we have available.

Sumo is a proud member of TIGA, the non-profit trade association representing the UKs games industry. We’re also a founding member of Screen Yorkshire’s Game Republic.

Sumo Digital Partners

Our studios have had the honour of winning many important awards in their time.

This reflects the skill and enthusiasm of our incredible team members, who are already leaders in their field or are dedicated to mastering their craft. Learning and development is a key area of focus for Sumo, and something we strive to improve year on year so that each of our colleagues can develop their career to the highest level.

Sumo Digital

  • MCV/DEVELOP 2020 – External Development Partner of the Year
  • TIGA 2019 – Best Independent Studio
  • Develop:Star Awards 2019 – Best Studio
  • Sheffield Digital Awards 2019 – Best Video Game – Crackdown 3
  • gamescom 2018 – Best Casual Game – Team Sonic Racing
  • TIGA 2017 – Best Arcade Game – Snake Pass
  • TIGA 2016 – Best Large Independent Studio
  • TIGA 2015 – Outstanding Individual – Carl Cavers, CEO Sumo Digital
  • TIGA 2015 – UK Heritage Award
  • DICE Awards 2015 Best Family Game – LittleBigPlanet 3
  • TIGA 2014 – Best Independent Studio
  • TIGA 2014 – Game With a Purpose – Xbox Fitness
  • gamescom 2014 – Best Family Game – LittleBigPlanet 3
  • gamescom 2014 – Best Online and Social Game – LittleBigPlanet 3
  • TIGA 2013 – Best Arcade Game – Sonic & All-Stars Racing Transformed
  • BAFTA Cymru (Welsh) 2011 – Digital Creativity & Games – Doctor Who: The Gunpowder Plot

The Chinese Room

  • BAFTA 2016 – Audio Achievement – Everybody’s Gone to the Rapture
  • BAFTA 2016 – Music – Jessica Curry – Everybody’s Gone to the Rapture
  • BAFTA 2016 – Performer – Merle Dandridge – Everybody’s Gone to the Rapture
  • British Writers’ Guild Award 2016 – Best Writing in a Video Game – Everybody’s Gone to the Rapture
  • Develop 2016 – Audio Accomplishment – Everybody’s Gone to the Rapture
  • Emotional Game Awards 2016 – Best Artistic Achievement – Everybody’s Gone to the Rapture
  • Emotional Game Awards 2016 – Best Music – Everybody’s Gone to the Rapture
  • G.A.N.G. 2016 – Best Dialogue – Everybody’s Gone to the Rapture
  • G.A.N.G. 2016 – Best Original Song: Choral – Everybody’s Gone to the Rapture
  • G.A.N.G. 2016 – Best Original Song: Pop – Everybody’s Gone to the Rapture
  • G.A.N.G. 2016 – Best Original Soundtrack Album – Everybody’s Gone to the Rapture
  • Stuff Gadget Awards 2015 – Indie Game of the Year – Everybody’s Gone to the Rapture
  • TIGA 2015 – Creative UK Gameplay Award – Everybody’s Gone to the Rapture
  • Eurogamer 2013 – Best Games of 2013 – Amnesia: A Machine for Pigs
  • GameMAG 2013 – Soundtrack – Amnesia: A Machine for Pigs
  • G.A.N.G. 2013 – Best Original Vocal Song – Amnesia: A Machine for Pigs
  • TIGA 2013 – Best Sound – Amnesia: A Machine for Pigs
  • Develop 2012 – Best Use of Narrative – Dear Esther
  • Develop 2012 – Best Microstudio
  • HoPlay 2012 – Best Original Idea – Dear Esther
  • IGF 2012 – Excellence in Visual Art – Dear Esther
  • TIGA 2012 – Action/Adventure – Dear Esther
  • TIGA 2012 – Audio Design – Dear Esther
  • TIGA 2012 – Debut Game – Dear Esther
  • TIGA 2012 – Originality – Dear Esther
  • TIGA 2012 – Visual Design – Dear Esther

Red Kite Games

  • TIGA 2018 – Best Independent Studio
  • Examiner Business Awards 2017 – SME Business of the Year
  • Examiner Business Awards 2016 – Young Entrepreneur of the Year – Simon Iwaniszak


Carl Cavers

Co-founder and CEO Sumo Group plc

Carl joined Gremlin Interactive in 1995. Following its acquisition by Infogrames in 1999, he was appointed as European Development Director with responsibility for all internal development studios in the UK, France and Australia.

Carl co-founded Sumo Digital in 2003 and led the management buy-out with NorthEdge Capital in 2014, followed by the formation and successful IPO of the Sumo Group plc, which floated on AIM in December 2017.

He was awarded the TIGA Most Outstanding Individual in 2015 and holds an Honorary Doctorate from Sheffield Hallam University.

Paul Porter

Co-founder and COO Sumo Group plc

Paul co-founded Sumo Digital in 2003 and heads development across multiple studios in the UK and India. His early career at Revolution Software, Gremlin Interactive and Infogrames saw him manage the creation of cross-platform development systems.

Paul’s career in the games industry began in 1988, writing Predator 2 on the C64. After graduating in Electronic & Electrical Engineering with First Class Honours in 1992, he worked for Rolls Royce & Associates in the Scientific Software development before re-joining the industry at Revolution Software

Gary Dunn

Managing Director – Sumo Digital

Prior to joining Sumo in Sept 2017, Gary has 15 years of experience in the games industry. His games industry experience includes 7 years as SVP Production at SEGA and VP Studios at Codemasters. He led the growth of Creative Assembly and Sports Interactive whilst at SEGA, and ran the award-winning F1, DIRT and GRID franchises whilst at Codemasters. He is also a member of BAFTA, on the awards judging panel for 7 years.

Darren Mills

Studio Director & Co-founder 

Darren co-founded Sumo Digital in 2003 and is the Studio Director of the Sheffield HQ, overseeing development of high profile licensed IP on PC, console and mobile platforms. Darren’s career in games began at Gremlin Interactive, latterly acquired by Infogrames, where he became Studio Art Director.

Before joining the games industry Darren worked in TV on a variety of programmes and live outside broadcasts aired by channels including the BBC, ITV, Sky News and Sky Sports.

Gary Edwards

Studio Director, Nottingham

Gary joined Sumo in 2005 as an Executive Producer, becoming Development Director in April 2009. He has held Senior and Executive Producer roles at Infogrames, Runecraft, Blue Monkey Studios

Owen O’Brien

Studio Director, Newcastle

Owen joined Sumo in January 2018, following the acquisition of CCP Games ‘Newcastle studio.  A seasoned Executive Producer with over 20 years broad industry experience in publishing and development, Owen has led world class teams for his profile franchises and original IP including Harry Potter and Mirror’s Edge.

At CCP Games he led the creative direction and production of EVE: Valkyrie, a flagship title for virtual reality headsets.

Chris Southall

Studio Director, Leamington Spa

Chris joined Sumo in January 2019, to establish and build the Leamington Studio, which is focused on mobile development. Beginning his career at Codemasters in the mid 90s working on Micro Machines and, as part of the core team who designed and made the Colin McRae Rally series, he has held leadership roles at Codemasters and since 2005, SEGA as CTO.

In his time at SEGA, he also grew HARDlight for them, a mobile Studio which brought the company’s well-loved Sonic the Hedgehog and Crazy Taxi brands to the mass mobile audience.

Ed Daly

Studio Director, The Chinese Room

Ed joined in November 2018 to take the role of Studio Director at The Chinese Room. Prior to a spell as MD of a studio producing theme park experiences, Ed spent twenty years starting and growing games studios – the bulk of that with Kuju, where Ed worked on titles ranging from AAA brands like Guitar Hero to original IP such as Chime.

Ed started out as a programmer making game engines but since his first startup in 1999 has picked up an MBA and focused on business and management at creative companies.

Dr Dan Pinchbeck

Creative Director, The Chinese Room

Dan joined Sumo in 2018, following the acquisition of The Chinese Room. As Studio Head and Creative Director of The Chinese Room, he led the development of the internationally award-winning titles Dear Esther, Amnesia: A Machine for Pigs, Everybody’s Gone to the Rapture and So Let Us Melt.

Dan’s experience spans game design, writing and production and he is widely credited for pioneering the ‘walking simulator’ genre of gaming. He’s passionate about first-person games, and this even extends to him having a PhD in First Person Shooters. His role at Sumo will see him oversee the creative evolution of The Chinese Room into new areas of game development for the studio, building on its reputation as one of the most innovative and exciting studios in the UK

Sean Millard

Creative Director

Sean is a founder member of Sumo, becoming Creative Director in 2011, overseeing the design department and company’s creative vision.

Sean has been designing video games since 1993 and holding a variety of creative roles from Designer to Creative Director at indie developers and large developers/publishers including Virgin Interactive Entertainment, Pure and Gremlin.

Steven Zalud

Director of Distributed Development

Steven joined Sumo in 2011 and brings broad knowledge of all elements of the game production process, combined with a passion for building teams, environments and systems to deliver the most creative entertainment experiences.

He’s held director level and management roles at Electronic Arts, Infogrames and Criterion specialising in game and technology development, operational management and organisational development.

Gary Moore

Development Director

Gary joined Sumo as Development Director in May 2012, having worked closely with the team on Sonic and All-Stars Racing Transformed.

Prior to Sumo Gary has held development roles at LEGO Interactive, EA Studios SEGA’s European Development and Eidos. He has been involved in a wide range of titles including Alien vs Predator, Hitman and Championship Manager. His career began in 1997 at Psygnosis.

Ash Bennett

Technical Director

Ash started his career in 1989 at Gremlin Graphics writing games for C64, he later progressed onto NES, PC Engine and the Top Gear series of games for the SNES, finally becoming lead programmer on the PS1 version of Loaded before leaving to join Probe Entertainment in 1996. Here he worked as lead programmer on the first two games of the Extreme G franchise as well as becoming involved in much of the shared technology within the studio.

In 2000 he returned to Gremlin (by then part of Infogrames) to work on the PS2 conversion of Wacky Races amongst other titles. After the closure of the Infogrames’ Sheffield studio he was amongst the founder members of Sumo Digital and went on to work on many of their leading product, becoming technical director in 2008.

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