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These astronauts, referred to in-game as 'kerbonauts,' are physically simulated and can exit spacecraft for extravehicular activities (EVAs).

Quick Facts

First appearance: Kerbal Space Program Release
Status: Active

Reader's Guide

In Sandbox mode, players have unlimited parts for any project. Science mode requires performing experiments to unlock parts, while Career mode adds funds, reputation, and contracts where unsatisfactory outcomes like killing astronauts result in penalties. The text advises that players can plot maneuver 'nodes' for flybys, rendezvous, and docking. It also notes that Kerbal astronauts are physically simulated and can be controlled during EVAs to perform tasks like collecting science or repairing ships.

Did You Know?

Kerbals are a species of green humanoids who have constructed a spaceport on their home planet, Kerbin.
During extravehicular activities (EVA), Kerbals can use their suits to maneuver in space similar to NASA's Manned Maneuvering Unit.
Sufficiently forceful impacts during flight or EVA will result in the death of a Kerbal astronaut.
Kerbin is orbited by two moons, the larger Mun and the smaller, more distant Minmus.
The game features a pseudorealistic orbital physics engine allowing for maneuvers such as Hohmann transfer orbits and orbital rendezvous.

What players say: Player verdict on Kerbal Space Program — Rotten Tweets