Mods / Serious

• RRääps GP (day) v1.00by LiskomiesRääps GP v1.0044 downloadsupdated 2 y ago
• CCircuito de Puerto Rico V1.01by 76561198991237382Circuito de Puerto Rico is a fictional permanent race track in Puerto Rico. It's main layout is 3.972km whereas the classic layout was 12.019km.43 downloadsupdated 15 mo ago
• MMagarigawa GP v1.0by 76561198414940358Magarigawa Club in Japan, an exclusive private track overlooking Mt. Fuji and Tokyo Bay. Where the ultra rich come to play. The track opened on July 29, 2023 and is open to members only.43 downloadsupdated 3 y ago
• KKaksoisvuoret GP v1.60by hiivattiKaksoisvuoret GP, works with F3 Origin and Virallinen. Part of decorating made by Liskomies.43 downloadsupdated 3 y ago
• CCyber Track GP v1.41 full courseby cyberpunk_42Minor cosmetic changes. Changed some properties for pits, pit entry and exit.43 downloadsupdated 4 y ago
• MMartinsville v2.3by McViznNASCAR-style short oval, originally created level from Derek Edgerton, redesigned by McVizn with assistance of CyberPunk_42. Thanks, Bro's.43 downloadsupdated 20 mo ago
• MMid-Ohio Sportscar Course V1.0by 76561198991237382Mid-Ohio Sports Car Course is a road course auto racing facility located in Troy Township, Morrow County, Ohio, United States, just outside the village of Lexington. It hosts a number of racing series such as IndyCar, IMSA and Nascar Craftsman Truck Series43 downloadsupdated 3 y ago
• NNew Hampshire Motor Speedway v1by McViznOval track at Loudon, New Hampshire. Many motorsport events take place on this track, including the Indycar Series.43 downloadsupdated 3 y ago
• PPuhurinjänkä v1.00by hiivattiWorks best with Virallinen and Drifty.42 downloadsupdated 3 y ago
• CCandyville Inside v1.3by jhattaraJust something fun.42 downloadsupdated 4 y ago
• SSpa-Francorchampsby 76561198963363535Love this track, tried my best. enjoy42 downloadsupdated 14 mo ago
• LLausitzring - Club Layout v1.3by McViznFirst real Track created by McVizn. This is the Club Layout of the Lausitzring, a track in Brandenburg, GER. The design of the buildings and environment is fictional.41 downloadsupdated 3 y ago
• KKontanen 1.01by Liskomiesfor formula cars41 downloadsupdated 4 y ago
• CCircuit Zolder GrT V2.2by 76561198991237382The Circuit Zolder, also known as Circuit Terlamen, is a 4.011 km (2.492 mi) motorsport race track in Heusden-Zolder, Belgium. Zolder hosted the Formula One Belgian Grand Prix on 10 separate occasions in the 1970s and 1980s GRT VERSION41 downloadsupdated 3 y ago
• CCircuit Gilles-Villeneuve V1.4by 76561198991237382Circuit Gilles Villeneuve, is a 4.361 km (2.710 mi) motor racing circuit on Notre Dame Island in Montreal, Quebec, Canada. It is the venue for the FIA Formula One Canadian Grand Prix.41 downloadsupdated 3 y ago
• TTexas Motor Speedway V1.2by 76561198991237382Texas Motor Speedway is a speedway located in the northernmost portion of Fort Worth, Texas in Denton County. The reconfigured track measures 1.500 mi (2.414 km) with banked 20° in turns 1 and 2 and banked 24° in turns 3 and 4. it is a Quad oval design.41 downloadsupdated 22 mo ago
• BBangowitch Circuit 1.02 (F3O)by LiskomiesBangowitch Circuit 1.02 (F3O) For F3 origin. Doesn't work on most cars, even if they are FORMULA CARS! Slippery side areas. For the players who thinks they can drive on road and want to feel rewarded for pushing the limits40 downloadsupdated 3 y ago
• CCircuit Kantavilla v1.02by LiskomiesCircuit Kantavilla40 downloadsupdated 3 y ago
• AAshland Raceway Figure 8 V1.00by 76561198991237382Ashland Raceway is a 0.400 Mile (0.644km) fictional oval in Ashland, Oregon, USA. It hosts several club and derby events.40 downloadsupdated 15 mo ago
• HHockenheimring GP (Short) v1.06by cyberpunk_42The Hockenheimring is a motor racing circuit situated in the Rhine valley near the town of Hockenheim in Baden-Württemberg, Germany, located on the Bertha Benz Memorial Route.40 downloadsupdated 3 y ago
• NNashville SuperSpeedway V1.00by 76561198991237382Nashville Superspeedway is a 1.330 mi (2.140 km) tri-oval intermediate speedway in Lebanon, Tennessee. The track has held a variety of racing events since its opening in 2001, including NASCAR and the IndyCar Series40 downloadsupdated 15 mo ago
• CCircuit De Catalunya V2.0by 76561198991237382The Circuit de Barcelona-Catalunya is a 4.657 km (2.894 mi) motorsport race track in Montmeló, Barcelona, Catalonia, Spain. With long straights and a variety of corners, the Circuit de Barcelona-Catalunya is seen as an all-rounder circuit.39 downloadsupdated 3 y ago
• BBrands Hatch GP Circuit V2.01by 76561198991237382Brands Hatch is a 3.916 km (2.433 mi) motor racing circuit in West Kingsdown, Kent, England.39 downloadsupdated 9 mo ago
• JJäädytetty Indeksi - Long Layoutby McViznTribute to Mr. Frozeni - for the great times we had on track, the fun in voice chat, and the countless trophies he won. Cheers!38 downloadsupdated 17 mo ago
• RRally Raiskums Latvia V1.02by 76561198991237382A Rally stage in the woods of the Village Raiskums.38 downloadsupdated 2 y ago
• CCircuit Angpriake v1.01by LiskomiesCircuit Angpriake38 downloadsupdated 3 y ago
• MMacau GP v1.0by 76561198414940358The first Macau Grand Prix event was held in 1954, as a sports car event. The event received world championship status from 2005 to 2014 as the final round of the World Touring Car Championship. In 2008, a GT3 race was added to the event (FIA GT World Cup) Credits goes to CyberPunk_42 for partici...38 downloadsupdated 3 y ago
• HHuittisten GP 2025by zteadyHuittisiin rakennetaan uutta rataa ja tässä se on jo etukäteen testattavaksi. Kyllä lähtee!38 downloadsupdated 3 y ago
• HHong Kong EPrix Circuit V1.01by 76561198991237382The Hong Kong EPrix Circuit is a 3.69km Fictional street circuit in Hong Kong.38 downloadsupdated 14 mo ago
• RRudskogen V1.1by 76561198991237382Rudskogen Motorsenter is Norway’s oldest asphalt race circuit, opened on May 20, 1990. It has hosted rounds of the TCR Scandinavia Touring Car Championship, Danish Thundersport Championship, Swedish GT Series, NBF GT Championship, GT4 Scandinavia and other38 downloadsupdated 3 y ago
• CCharlotte Speedway RC A V1.02by 76561198991237382Charlotte Motor Speedway is a 1.500-mile (2.414 km) quad-oval intermediate speedway in Concord, North Carolina.38 downloadsupdated 15 mo ago
• HHockenheim 2001 (old Layout) v2by McViznThis is the 2001 layout of the legendary Hockenheimring in Germany. This is a high speed circuit, made for serious racing. Can you find the easter eggs?38 downloadsupdated 2 y ago
• KKnockhill RX V1.2by 76561198991237382Knockhill Racing Circuit is a motor racing circuit in Fife, Scotland. It opened in September 1974 and is Scotland's national motorsport centre. The circuit is located in the countryside about 6-mile (9.7 km) north of Dunfermline. It hosts British events.37 downloadsupdated 2 y ago
• NNebula Loop GP v1.00by LiskomiesNebula Loop GP37 downloadsupdated 3 y ago
• DDetroit Street Circuit V1.01by 76561198991237382The streets of Detroit, in the U.S. state of Michigan, is a 1.645 mi (2.647 km) street circuit which hosts the Chevrolet Detroit Grand Prix.37 downloadsupdated 17 mo ago
• WWorld Wide Technology Raceway at Gateway V1.00by 76561198991237382World Wide Technology Raceway is a motorsport racing facility in Madison, Illinois, just east of St. Louis, close to the Gateway Arch. It features a 1.250 mi (2.012 km) oval. Oval Layout37 downloadsupdated 20 mo ago
• SSingapore Street Circuit (wet)by 76561198813518085This is the Marina Bay Street Circuit during 2025 Singapore GP37 downloadsupdated 13 mo ago
• KKansas Speedway V1.3by 76561198991237382Kansas Speedway is a 1.500 mi (2.414 km) tri-oval race track in the Village West area in Kansas City, Kansas. It was built in 2001 and it currently hosts two annual NASCAR race weekends. The IndyCar Series also held races at the venue until 2011.37 downloadsupdated 22 mo ago
• NNordschleife.zip v1.1by DremetA compressed version of Nürburgring Nordschleife as the full track doesn't fit onto the buildable area. Focus was on having high speed corners, bumps and add some unique corners/sections.37 downloadsupdated 10 mo ago
• JJäädytetty Indeksi - Club Layoutby McViznTribute to Mr. Frozeni - for the great times we had on track, the fun in voice chat, and the countless trophies he won. Cheers!36 downloadsupdated 17 mo ago
• DDonnington Park (Prewar) v2by Jimothy BuffToday Britain might be the home of F1, this track is how that story begun, back in 1937. A story of blood, sweat, tears and a guy called ♥♥♥♥ Seaman... (Steam doesn't like the name ♥♥♥♥, it appears. I guess they think I mean "♥♥♥♥", but I don't, it stands for Richard)36 downloadsupdated 2 y ago
• NNürburgring V1.2by 76561198991237382The Nürburgring is a motorsports complex located in the town of Nürburg, Rhineland-Palatinate, Germany. It features a Grand Prix race track built in 1984, and a long Nordschleife track, built in the 1920s, around the village and medieval castle of Nürburg36 downloadsupdated 3 y ago
• SSao Paulo Eprix Circuit V1.01by 76561198991237382The São Paulo Eprix Circuit is a street circuit in São Paulo, Brazil. The street circuit race track was laid out in the Santana district. The track has 2.933 km (1.822 mi) length.36 downloadsupdated 11 mo ago
• MMorgan Park Raceway V1.0by 76561198991237382Morgan Park Raceway is a motorsports complex located at Old Stanthorpe Road near Warwick, in Queensland, Australia and is operated by the Warwick District Sporting Car Club Inc. The venue features a race circuit with eleven different layouts.35 downloadsupdated 2 y ago
• DDrosovce v1.20by hiivattiDrosovce, long route. Original made by Tinjovich to old Turbo Sliders.35 downloadsupdated 3 y ago
• FFinal Destination v1.1by copyriteNo items. Sporty only. Final Destination. Revision 1 adjusts timing: The play area shrinks much faster in the first 30 seconds.35 downloadsupdated 4 y ago
• SSaxo - A la Montagne,le retour 2by m.saxo- Le bon air de la montagne ! - Attention avec les ponts ! - Trouver le bon chemin ! Pour aller voir "La Ville secrète" lol... P.S. : Hum, Attention ! Ici 4 ponts sont complètement fous ?!?....35 downloadsupdated 4 y ago
• LLjubljana Circuit V1.00by 76561198991237382A fictional racing circuit located in Ljubljana, Slovenia. It is a 4,20km long circuit34 downloadsupdated 15 mo ago

272 serious mods, most downloaded first. Each one has its own page here with what it needs to run and where its author publishes it; the files themselves stay with the author and are never re-hosted on this site.