Reentry - An Orbital Simulator -

is an indie space flight simulator. It aims to be a technical "checklist sim" and an immersive historical experience. Petri Wilhelmsen primarily developed the game over a decade. It recreates NASA's early manned space programs: Mercury, Gemini, and Apollo. Players use realistic procedures from actual NASA manuals to operate the spacecraft systems. Space Flight's Evolution: Mercury to Apollo

The simulator reflects the historical progression of space exploration. Each era introduces more advanced technology: Reentry - A Space Flight Simulator Reentry - An Orbital Simulator