Ver.2026-08-18In-Game Manual The in-game manual has been overhauled to cover everything from the controls to reading your orbit. The same manual opens from both the Mission Control Center and…
Monthly Report July 2026Thank you for your continued support of “Keplerian Space Discovery.” Here is an update on our progress in July and our goals for August. July Progress We’ve implemented detailed…
Ver2026-07-28:Hotfix・Fixed an issue where the game became unstable after launch. ・Corrected a spelling error.
Ver.2026-07-20 - "The Eagle has landed"Lunar Landing Today, July 20, 2026, marks the anniversary of Apollo 11’s historic first human landing on the Moon in 1969. To commemorate this event, we’ve made it possible for…
Monthly Report June 2026Thank you for your continued support of “Keplerian Space Discovery.” Here’s an update on our progress in June and our goals for July. June Progress We released two updates in…
Ver.2026-06-28Improved ocean rendering We've improved the way the ocean is rendered, making the area around the horizon look more natural. *Excluding the Tanegashima Space Center and the…
Ver.2026-06-13Launch Physics Improvements The flight dynamics calculation during launch has been changed from a rotating reference frame to numerical integration in an inertial reference…
Monthly Report May 2026Thank you for your continued support of “Keplerian Space Discovery.” Here is an update on our progress in May and our goals for June. May Progress One major change we made was…
Ver.2026-05-22We have fixed an issue where the orbital normal direction was reversed when performing an orbit-matching maneuver. We have added tooltips to the buttons on the spacecraft control…
Ver.2026-05-16Improvements to Part Connection During Rocket Assembly We have improved the behavior when parts connect to each other while \[AUTO ASSY] is turned off. Previously, precise…
Ver.2026-05-11・Improved coordinate calculation method when changing SOI ・Changed the display order of save slots to sort by update date and time ・Changed the display order of the launch…
Ver.2026-05-011.Change to Orbit Calculation Method We have changed the calculation method for the selected spacecraft’s orbit from using Kepler’s equations to using equations of motion. As a…
Ver.2026-04-12AWe have added a \[Time Skip to Next SOI] button. This fast-forwards the timeline to the point immediately before the SOI changes. However, this feature currently has room for…
Ver.2026-04-04A- Fixed an issue where the thumbnails for 7.5m/10m adapters were incorrect - Changed the initial minimum altitude in launch parameters to 120 km - Improved the automatic maneuver…
Ver.2026-03-25AFixed an issue where some parts remained after detaching a booster large enough to cause parts to protrude from the Interstage.
Ver.2026-03-22AFixed an issue where the engine would fire during automatic execution even for maneuvers with Δv of 0 km/s
Ver.2026-03-21BFixed an issue where "ABORT" a spacecraft orbiting the Sun caused an abnormal termination.
Ver.2026-03-21AWe have ensured that the stage automatically detaches even while a maneuver is in progress.