
Screenshots

Watch trailer on Steam ↗Keikaku計画
LTStudio · Published by LTStudio · Official site ↗
Last updated 27 Sept 2026
Build your dream car and drive through the '90s. Keikaku計画 is a simulation game where you get to experience both authentic car building and life in Japan, and rise to become a '90s street legend.
Indie, Simulation, Racing · More free games
Experience the thrill of crafting and racing iconic 1990s vehicles in Keikaku計画, an indie simulation game where your choices shape your rise to become a Japanese street racing hero.
About this game
Keikaku focuses on bringing you as a player to the roots of truely Japanese car culture and way of living in the 90s.
This is my personal passion project to truly understand the real Japanese car culture and to also bring that to anyone playing this game.
Sophisticated engine mechanics
In depth tuning/adjustment
Unique life simulation elements
Furnish your apartment!
Learn to build and tune a rotary turbo engine!
Try to survive a daily life with a reliable rotary turbo car!
You can support the game by wishlisting it!
System Requirements
Will my PC run this? →Minimum
- OS *: 64bit versions of Windows 7, Windows 8, Windows 10
- Processor: +3 GHZ dual core processor
- Memory: 6 GB RAM
- Graphics: Nvidia GTX 960 or AMD equivalent
- DirectX: Version 9.0
- Storage: 5 GB available space
- Sound Card: DirectX Compatible Soundcard
- Additional Notes: High CPU single core performance required
Recommended
- OS *: 64bit versions of Windows 7, Windows 8, Windows 10
- Processor: Intel Core i7 or AMD equivalent
- Memory: 16 GB RAM
- Graphics: Nvidia GTX 1070 or AMD equivalent
- DirectX: Version 9.0
- Storage: 5 GB available space
- Sound Card: DirectX Compatible Soundcard
- Additional Notes: High CPU single core performance required
Supported Languages
*languages with full audio support
Latest news
Patch NotesOfficial
Patch V1.16
Changelog:-Reworked Mirrors completely to be more performant.-Reworked Save system Caching. (this hopefully fixed save corruptions). Saving time improved by 5-10x, Loading time will be improved later too.-Reworked Menus completely. (added language, resolution and v-sync selection and fixed superwide resolutions)-Added side mirrors-Fixed Target FPS setting-Performance changes to the VHS filter. (caused high GPU temps before)-LTStudioRead full article on Community Announcements (Lenna)Patch NotesOfficial
Hotfix v1.152
Changelog:-Fixed tool in hand bugs.-Tweaked some car materials.-Added Names to Car Parts and Items.-LTStudioRead full article on Community Announcements (Lenna)Patch NotesOfficial
Patch V1.15
Hi! Optimization, Bug fixes and Some improvements this time.Changelog: -Fixed 99% of the part clipping through the ground problems!! -Fixed flywheel trigger bug. (this caused the flywheel fail when loading the game sometimes). -Fixed lights rotation bug. -Fixed money numbers overflowing UI element. -Optimized big chunk of textures and materials. -Optimized car models. (added lods) -Improved Blinkers -Improved Headlights -Improved Cabin Lights -Improved Some car materials. -Improved player light -Added Reverse lights -Added Sunroof functionality. -Minor adjustments to car accessories audio. -Added graphics settings to the main menu. -Added setting to invert Y-Axis -LTStudioRead full article on Community Announcements (Lenna)Patch NotesOfficial
Patch V1.14
Tiny fixes this time!Changelog:| Free Demo |-Adjusted player light to have more visibility in dark places.-Removed FPS counter (you can use steam built-in one)-Fixed Mismatched physics layers on item reset. (this caused clipped items to not reset in front of garage...)| Supporter Edition |-Fixed driveshaft dismantling bug when using the aftermarket Differential.-LTStudioRead full article on Community Announcements (Lenna)Patch NotesOfficial
Update V1.13
Changelog:-Fixed controls PLAYER/CAR mode select bug.-Fixed a bug when trying to interact with car interior from outside the car.-Fixed a bug where the player sometimes "entered" the car from under it, this resulted in the player getting stuck under the car.-Fixed inconsistent randomization on storage spawner. (previously the first spawn had always more stuff)-Fixed parts garage slogan!-Added vending machine with actual functionality.-Added basic drinks.-Added player light to help visibility in dark places.-Adjusted car headlights to be more realistic.-Adjusted storage 1 loot spawn amount.-Improved memory usage when loading the game.-Improved load time slightly.-LTStudioRead full article on Community Announcements (Lenna)






