How Did I Make It To MARS?! Spaceflight Simulator By Kyan

In Spaceflight Simulator, you will get to engineer your rockets, plan launches and flights, attempt landings, deploy payloads and explore new worlds. You could be launching your first rocket within minutes, but landing it in one piece might be another story!
The game/program SpaceEngine includes a realistic space flight simulator within its full-scale representation of the universe (including both real and procedurally generated astronomical objects), utilizing realistic orbital mechanics and an atmospheric model for certain flyable shuttles.
There are 3 difficulty options in the Space flight simulator PC they are Normal, Hard, and Realistic mode Normal mode is a 1:20 scale earth with a 30Km atmosphere.
The Spaceflight Simulator Model rocket can at least reach Mars. Unlike a Mars Return Mission, a Mars landing mission is cheaper. Depending on the purpose, there can be several types of landings on Mars: Hard Mars landing (as performed by the first historical probes that landed on Mars);