The most relevant changes are:
• Added an interactive tutorial for the NASA campaign, which covers the basics of the game from agency inception until the execution of the first manned mission.

• Added the option of hiring 'Tiger Teams' when running a mission inside the Mission Control room. 'Tiger Teams' are groups of paid experts that help Flight Controllers and increase the chances of success when a failure occurs during a mission step.

• Added a new program: the Luna 17 lunar lander and the Lunokhod 1 lunar rover.

• Lots of improvements across the UI: more tooltips, new set of buttons for navigating the various screens inside the Headquarters, made the information related to programs and missions more easily available, replaced the personnel silhouettes with real photos, improved the performance of the personnel management screen, etc.

• Completely revamped the end screen for the campaign mode: now the game shows a series of relevant stats and grants the player a medal based on its performance. The player can also continue running the agency after the manned Moon landing goal has been achieved.

• Added a new set of Steam achievements.

• Various gameplays tweaks and fixes in the game database.