Rockstar Lincoln Limited is the dedicated quality assurance (QA) and localisation studio of Rockstar Games, based at the Lindum Business Park in North Hykeham, Lincolnshire, England. Although the prompt frames the studio as "formerly Mastertronic", the historical record actually traces Rockstar Lincoln through Spidersoft Limited (1992-1998) and Tarantula Studios (1998-2002), not Mastertronic — the latter being a separate 1980s British budget publisher that merged into Virgin and was later absorbed by Sega (Wikipedia, 2026a; Wikipedia, 2026b). The Lincoln studio is widely understood inside the industry as the bottleneck and gatekeeper of every shipped Rockstar title, running the publisher's centralised testing pipeline for franchises including Grand Theft Auto, Red Dead Redemption, Max Payne and Manhunt (Schreier, 2018; Forde, 2017). This report covers the studio's lineage, its specific QA testing role, and the structure of the wider Rockstar QA pipeline that funnels through Lincoln.
The "Rockstar Lincoln (formerly Mastertronic)" framing is a common online misconception that conflates two distinct UK companies. Mastertronic was a London-based budget software publisher founded in 1983 by Martin Alper, Frank Herman, Terry Medway and Alan Sharam, famous for £1.99 cassette games such as Kikstart and Finders Keepers, which merged with Virgin in 1988 and was absorbed into Sega Europe by 1991 (Wikipedia, 2026b). Mastertronic and Rockstar Lincoln share no corporate continuity.
Rockstar Lincoln's real ancestry begins with Spidersoft Limited, founded on 5 May 1992 in Lincoln by ex-GEC-Marconi engineers Steve Marsden and David Cooke, initially porting pinball and licensed titles to Game Boy and Game Gear for 21st Century Entertainment, which took a controlling stake in 1995 (Hewson, 2016; Wikipedia, 2026a). After 21st Century's collapse, Take-Two Interactive bought the studio on 1 June 1998 and renamed it Tarantula Studios, which then produced the Game Boy Color ports of Grand Theft Auto (1999) and Grand Theft Auto 2 (2000) (Johnston, 1998; Wikipedia, 2026a). By 2001 the development and QA arms had been separated; the development side was shut down in 2002, and the surviving QA and localisation operation was folded into the Rockstar Games label as Rockstar Lincoln (Lloyd, 2019; Forde, 2017).
Rockstar Lincoln operates as a centralised, in-house QA and localisation hub rather than a development studio. Its core remit is to test internal projects from every Rockstar studio — most notably Rockstar North's Grand Theft Auto and Red Dead Redemption games — and to produce localised builds in French, German, Italian, Japanese, Russian and Spanish (This Is Lincolnshire, 2009; Wikipedia, 2026a). Roles at the site include functional testers, compliance testers, localisation testers, mission/scripting QA, multiplayer/online QA, automation engineers and lead testers, plus a localisation department that handles subtitle timing, linguistic review and platform-specific cultural compliance (Schreier, 2018; Bailey, 2019).
The studio's working culture became internationally visible during the run-up to Red Dead Redemption 2 (2018), when Jason Schreier's Kotaku investigation reported that Lincoln testers worked some of the longest crunch hours in the company, with mandatory overtime beginning in August 2017, three-night-per-week overtime escalating to five, low hourly pay relative to lead salaried staff, and tight security regimes that restricted mobile phones on site (Schreier, 2018). In response, management announced on 19 October 2018 that overtime would become optional, and committed to converting all testers to full-time employees by 1 August 2019, alongside introducing flexitime and relaxing the phone ban (Kim, 2018; Bailey, 2019).
Rockstar's QA pipeline can be summarised as a funnel architecture in which feature work flows out from the development studios (Rockstar North in Edinburgh, San Diego, Toronto, Leeds, Dundee, India, New England and London) and converges on Lincoln for verification, regression and submission. Builds are produced on a near-daily cadence and pushed to Lincoln for smoke testing, mission playthroughs, open-world traversal sweeps, vehicle/weapon matrices, online stress runs and platform compliance (TRC/XR/Lotcheck) against Sony, Microsoft and Nintendo certification requirements (Schreier, 2018; Forde, 2017). Bugs are triaged into severity tiers, written up in the company's internal tracker, and routed back to the originating studio's leads; once fixes land, Lincoln verifies and closes them, with localisation testers running parallel passes on every supported language SKU to catch text overflow, voiceover desync and culture-specific compliance issues (Wikipedia, 2026a; Bailey, 2019).
Because Lincoln is the final aggregation point before disc/master submission, it tends to absorb the cumulative schedule pressure of every upstream studio, which explains why crunch reporting at Rockstar has historically clustered around Lincoln rather than the development sites (Schreier, 2018; Kim, 2018). Long-time studio head Mark Lloyd, who left in 2011 and later became an anti-crunch advocate, has publicly described the same pattern: QA at the end of a multi-studio pipeline inherits everyone else's slippage, making industrial-scale shift management — not just bug-finding — the studio's defining operational problem (Lloyd, 2019). General manager Tim Bates succeeded Lloyd, and the studio has since expanded its headcount at the Lindum Business Park, reflecting Rockstar's strategy of scaling QA capacity in proportion to its open-world content density rather than outsourcing it (Franklin, 2017; Wikipedia, 2026a).
For GTA VI, Rockstar Lincoln is the most likely single point through which every build, every language SKU and every platform submission will pass. Its post-2018 reforms (optional overtime, full-time conversion, flexitime) will be tested at unprecedented scale against the largest-ever Rockstar content footprint, and any schedule slippage upstream at Rockstar North will materialise as Lincoln workload — historically the leading indicator of crunch at the company (Schreier, 2018; Bailey, 2019).
Bailey, D. (2019) 'Rockstar hires testers full-time after criticism – "things have been better since last year"', PCGamesN, 6 August. Available at: https://www.pcgamesn.com/rockstar-testers (Accessed: 14 May 2026).
Forde, M. (2017) 'Feature: The Complete History of Rockstar Games on Nintendo Platforms', Nintendo Life, 17 September. Available at: http://www.nintendolife.com/news/2017/09/feature_the_complete_history_of_rockstar_games_on_nintendo_platforms (Accessed: 14 May 2026).
Franklin, A. (2017) 'Lincolnshire Sports Awards 2017 – Rockstar face tough competition in quest to make it three in a row', Lincolnshire Live, 12 July. Available at: https://www.lincolnshirelive.co.uk/news/lincoln-news/lincolnshire-sports-awards-2017-rockstar-190655 (Accessed: 14 May 2026).
Hewson, A. (2016) Hints & Tips for Videogame Pioneers. Kindle edn. Hewson Consultants. ISBN 978-1-84499-136-5.
Johnston, C. (1998) 'Take 2 Captures Tarantula', GameSpot, 1 June. Available at: https://web.archive.org/web/19990203210329/http://headline.gamespot.com/news/98_06/01_ttwo/index.html (Accessed: 14 May 2026).
Kim, M. (2018) 'Rockstar Lincoln QA Tester Says Overtime is No Longer Mandatory', USgamer, 19 October. Available at: https://web.archive.org/web/20190213005810/https://www.usgamer.net/articles/rockstar-lincoln-qa-tester-says-overtime-is-no-longer-mandatory (Accessed: 14 May 2026).
Lloyd, M. (2019) 'From Rockstar Lincoln studio head to anti-crunch advocate', GamesIndustry.biz, 23 May. Available at: https://www.gamesindustry.biz/articles/2019-05-23-from-rockstar-lincoln-head-to-anti-crunch-advocate (Accessed: 14 May 2026).
Schreier, J. (2018) 'Inside Rockstar Games' Culture Of Crunch', Kotaku, 23 October. Available at: https://kotaku.com/inside-rockstar-games-culture-of-crunch-1829936466 (Accessed: 14 May 2026).
This Is Lincolnshire (2009) 'Could you test games for a living?', Lincolnshire Echo, 9 July. Available at: https://web.archive.org/web/20090712134140/http://www.thisislincolnshire.co.uk/news/test-games-living/article-1151204-detail/article.html (Accessed: 14 May 2026).
Wikipedia (2026a) Rockstar Lincoln. Available at: https://en.wikipedia.org/wiki/Rockstar_Lincoln (Accessed: 14 May 2026).
Wikipedia (2026b) Mastertronic. Available at: https://en.wikipedia.org/wiki/Mastertronic (Accessed: 14 May 2026).