The Kitten Space Agency pre-alpha is live, and Kerbal Space Program's spiritual successor is already "much more than a tech demo"

Built by DayZ creator Dean Hall's RocketWerkz in collaboration with ex KSP devs, the Kitten Space Agency alpha is now ...
Space.com

'Kitten Space Agency' is the spiritual successor to 'Kerbal Space Program', and they have an ex-SpaceX engineer on the team (interview)

DayZ and Kerbal Space Program's creators have joined forces with an ex-SpaceX engineer to create the ultimate spaceflight ...

Where Winds Meet co-op - How to unlock multiplayer and all modes

Invite up to four of your friends to right the wrongs of 10th-century China by unlocking co-op in Where Winds Meet.