Place an Artificial Satellite in orbit before October, 1957
Hire a Tier 3 astronaut
Launch any vehicle except Sounding Rocket with 99% Launch Reliability
Complete a Challenging Request Mission
Explode a Sounding Rocket
Complete a mission task with 30 or more Thrust
Complete a Modular Space Station
Unlock an Era Completion reward in a Research Tree
Finish 1st in every Milestone mission in a single game on normal difficulty or above
Remove every obstruction from your base
Successfully complete the Space Tourism request mission
Complete every Research in the Buildings Tree
Complete a mission to any of the Inner Planets, excluding Earth
Complete a mission task with 50 or more Data
Complete a mission task with 1% Payload Reliability at the end of it
Complete a mission with a Payload that has 50% or lower Payload Reliability
Launch an animal into Earth orbit
Construct a small, medium, and large launchpad
Fly a helicopter on Mars?!
Land humans on Mars
Complete a mission task with 50 or more Comms
Complete every other Mars Horizon achievement
Complete every Bonus Objective on a mission with at least 3 tasks
Complete every Research in the Missions Tree
Win the race to Mars on Iron Core
Land on the Moon before any other space agency
Land humans on Mars in a Joint mission with another agency
Win the Race to Mars
Succeed a launch using an N1 booster
Complete missions to every planet in the Solar System in a single game
Achieve a mission task's Bonus Objective with the last Command of the last turn
Launch a vehicle with a 1% chance of Critical Failure... which explodes
Complete a flyby of Pluto
Complete the Crewed Moon Landing mission before July, 1969
Send an astronaut on a mission one month before their retirement
Complete the Crewed Moon Landing mission
Complete a mission to any of the Outer Planets
Complete the Bonus Objective of a mission task
Complete a mission task that requires Drift to be exactly 0
Complete every Research in every Research Tree in a single game
Complete all 4 Mars Preparation missions
Launch a crewed moon mission using a Saturn V booster
Complete a Publicised Request Mission using a Celebrity astronaut
Land an Exploratory Rover on Mars
Launch a mission using a reusable spaceplane
Complete every Research in the Vehicles Tree
Successfully launch a vehicle in Terrible conditions
Launch any vehicle except Sounding Rocket with 50% or lower Launch Reliability
Complete a Joint Mission
Complete every Milestone mission in a single game
Complete all Tutorial Objectives
Place an Artificial Satellite in orbit
Become Allied with all other agencies
Win the Race to Mars on hard difficulty or above
Win the Race to Mars on very hard difficulty
Launch a human into Earth orbit
Complete an Orbital EVA
Launch a Space Telescope into orbit
Complete a mission using an astronaut above the age of 70
Have a single building with 6 active Positive Adjacency effects
Launch a human into Earth orbit before April, 1961
Complete the Bonus Objective of a mission task that involves Heat
Complete a Joint mission with an Antagonistic agency
Successfully completed the Philae Landing mission.
Successfully land a reusable rocket
Complete the Grand Tour
Complete Human in Space, Orbital EVA, Mulitcrew Orbit, and Crewed Moon Landing using the same astronaut
Reach the maximum Experience Level for a vehicle part
Complete a mission with a Payload that has 99% Payload Reliability
Win the Race to Mars with all 5 space agencies
Explore Mars using the Zhurong Rover.
Complete Human in Space, Orbital EVA, Multicrew Orbit, Crewed Moon Landing with the same astronaut
Collect all Trophies in Mars Horizon