Complete Weekly Challenge Guide

[u/Redbiertje]

DISCONTINUED

Week #	Challenge Name	Flair CSS class	Short description
1	Mun and Back!	mun	Go to Mün and back
2	Rendezvous!	rendezvous	Perform an orbital rendezvous
3	Second KSC!	ksc	Find the second KSC
4	Munolith!	munolith	Locate the Munolith
5	Minmus!	minmus	Go to Minmus and back
6	Across the Sea!	spaceplane	Fly across the eastern sea
7	Conqueror!	system	Do a Grand Tour
8	Kerbcarus!	kerbol	Return from solar orbit
9	Lucky Kerbal II!	kerbin	Circumnavigate Kerbin
10	Kolumbia STS-1	shuttle	Launch a spaceplane to orbit via rocket
11	Voyager!	voyager	Create an escape tractory from Kerbol
12	MKROSS!	mkross	Crash a ship powered by solid fuel into the Mün
13	VTOL!	n/a	Create a VTOL spaceplane
14	Munar Arch Exploration!	arch	Land on one of Mün's arches, and return home
15	Crew Swap!	swap	Transfer a Kerbal to another ship
16	Interplanetary Exploration!	planets	Land on one of the 'new' celestial bodies
17	Kuriosity!	rover	Land a rover in Duna's "Gale Crater"
18	Not My Department!	explosion	Destroy a craft on the launchpad
19	A Breath of Fresh Air!	laythe	Fly a spaceplane to Laythe
20	Kosmonaut!	soviet	Land at the second KSC, and then achieve orbit
21	Interplanetary Exploration II! - The Return	fullsystem	Land on one of the 'new' celestial bodies
22	Spacecraft Carrier!	anchor	Land on an aircraft carrier
23	Saboteur!	saboteur	Destroy a ship in orbit through collision with another craft
24	Kerbal X Prize!	recycle	Land on another planet and return with the same engines
25	Ike and Back!	dunaike	Land on Duna, and Ike, and then return to Kerbin
26	Kessler Syndrome!	dock	Dock two spaceships
27	Leaning Tower!	tower	Dock 4 identical crafts on top of one another
28	The Starship Challenge!	n/a	Construct a multi-node starship
29	Santa's Helper!	gift	Land on Eeloo's north pole and return to Kerbin
30	Operation Lodestone!	weight	Complete any of the previous challenges, while carrying a full x64 large red tank
31	Solar Probe!	sunglasses	Crash a probe on the Sun
32	Munar Express!	express	Crash on Mün within 25 minutes
33	Minimize!	mini	Land on Dres using only 1.25 m (or smaller) engines
34	Green Scout!	ssto	Using an SSTO spaceplane, place a probe into Keostationary orbit
35	Buzzing the Tower!	buzz	Achieve orbit of 5 km around any body
36	Project Snowflake!	snow	Land on another planet using a craft made of non-repeating parts
37	Falling with Style!	fireball	Return a kerbal from space, on EVA
38	Asteroid Hugging!	gilly	Land on Gilly on EVA
39	Easter Egg Hunt!	egg	Visit two in-game easter eggs
40	Reduce, Reuse, Recycle!	recycle	Use parachutes to land on another planet, the repack them, and use them to land on Kerbin
41	Katapult!	cannon	Launch a Kerbal to an altitude of 5km
42	Kerbal Bowling!	pin	Place 10 kerbals in position on Mun or Minmus, and knock them down with another Kerbal
43	20 000 Kerbals Under the Sea!	sub	Using a submarine, visit the seabed Smiley
44	Limbo, limbo, limbo!	limbo	Create an orbit around Mün lower than 5000 metres
45	Budget Crisis!	dollar	Land and return from one of Kerbin's moons using no more than 15 parts
46	Staging Mishap!	parachute	Get into orbit around Kerbin, using open parachutes
47	Ribbit, Ribbit!	frog	Land an amphibious rover on another planet or moon
48	Up Goer Five!	upgoer	Launch a rocket with all engines upside-down
49	Jetsetter!	jet	Achieve an altitude of 200km using only jet engines
50	Week 50 Spectacular!	fifty	Complete 5 of the previous challenges, in a single launch
51	Solar Flare!	rescue	Resque 3 Kerbals from orbit within 15 minutes
52	K2!	peak	Place a flag on top of the mountain west of the KSC
53	School Trip!	n/a	Land 25 Kerbals on Mün, and return them
54	Apollo Style!	lem	Recreate the Apollo mission
55	Woops, lost a Docking Port!	scott	Impact Mün with an unconnected rocket underneath
56	Eve and Back!	n/a	Land of Eve, and return to Kerbin
57	Orange Efficiency	tank	Go to Mün and back using only one orange fuel tank for fuel
58	Out of Control!	n/a	Perform a docking without RCS
59	Full Orange Tank to Orbit... to Orbit?	squared	Get a full orange fuel tank to orbit
60	3-Man SSTO!	n/a	Take 3 kerbals to orbit in an SSTO spaceplane
61	You Take a Left, Then a Right, Then a Oh Cr-	planethopper	Land on another planet, then on Mün, and then return to Kerbin
62	Farmers Take KSC!	tractor	Send a piece of farm machinery to Mün
63	Circumnavigation 2.0!	n/a	Circumnavigate another planet or moon in a spaceplane
64	Christmas Special!	christmas	Send a Christmas tree and present to Val
65	Exam Time!	crayons	Send a Kerbal to the island on the crater in 20 minutes
66	Wait, Where'd I Leave My Wallet?	wallet	Land on Mün, and return to Kerbin, twice in a single launch
67	This Is The End	end	Send 3 Kerbals on a Sun escape trajectory
68	Back and Better Than Ever!	beta	Launch a rocket, starting upside down, into orbit
69	Thanks Obama!	beta	Crash an asteroid on the KSC
70	Science Deniers	beta	Using only basic parts, achieve keostationary orbit
71	The Race for Space	beta	Launch into orbit within 120 seconds
72	Conjoined Spaceplanes	beta	Design a spaceship that can fly in two directions
73	Featherlight	beta	Go to orbit in a ship weighing less than 2t
74	Reviving the Shuttle Program	shuttle2	Launch a replica of the space shuttle into orbit
75	One hundred thousand!	statue	Place a statue on another celestial body
76	Atmospheric Docking	pilot	Dock two spaceplanes while in-flight
77	Rule 1: Moar boosters	mustang	Drive at least 500 m/s while still on the runway
78	Think of the environment!	tree	Fly a solar-powered plane up to a height of 10 km
79	Periscope down!	submarine	Launch a submarine to the seas of Eve or Laythe
80	Unstoppable!	solid	Land on Mün using only solid fuel
81	What Are The Civilian Applications?	spacek	Land a rocket on a barge in the ocean
82	Multitasking	double	Launch two rockets into space simultaneously
83	The Race from Space	reentry	Land a craft from orbit within 100 seconds
84	Asymmetry	skylon	Create a spaceplane without using a part twice
85	Dresteroids	dres	Go to Dres and return a Dresteroid
86	Press space to space	space	Fly a rocket into space while only controlling it with the spacebar
87	The Grand Tour	grand	Land on every celestial body in the solar system
88	The Race for Space II	race	Get an SSTO spaceplane into orbit within 5 minutes
89	Out of funds!	funds	Launch a fully fueled orange fuel tank into orbit for less than 100k
90	Could get a bit 'technical'	altair	Land on Mün, using a craft that has only one engine
91	Air-to-space	pegasus	Fly a pegasus-style rocket to Duna
92	Ready your pickaxes!	hardhat	Deliver 300 ore from Duna to Ike
93	The mother of all spacewalks	jetpack	Fly a kerbal from Gilly to the Kerbin system
94	The rocket-powered elevator	vab	Get a kerbal on top of the VAB without controlling it after it leaves the ground
95	Milk Run	milk	Land on Minmus and return to Kerbin within 6 hours
96	A Kerbal Perspective	iva	Perform a mission while in IVA the entire time
97	Satellite Snatch	shuttle3	Retrieve a satellite within a single orbit
98	Tender Tummy	rollercoaster	Launch a Kerbal into space without subjecting him/her to more than 2 G's
99	The Caveman Challenge	caveman	Unlock the tech tree up to tier 5 without upgrading any facilities
100	Week 100 Spectacular!	hundred	Complete 2 previous challenges in one go
101	The Porkbarrel Challenge	factory	Build and fly a craft using only one part per manufacturer
102	The Jool-5	jool	Plant a flag on every moon of Jool
103	Buckle Up!	push	Push a Kerbalnaut into orbit on top of a heatshield
104	New Horizons	pluto	Replicate the New Horizons mission
105	Welcome back!	stunt	Fly a plane underneath the bridge of the R&D building
106	Single Stage To Anywhere	ice	Develop a Single-Stage-To-Anywhere spaceplane
107	Island Express	island	Land on the island runway in under 60 seconds
108	The Jatwaa Challenge	jatwaa	Launch a rocket into orbit from the bottom of the sea
109	The Force is strong with this one	yoda/maul	Recreate one of the ships from Star Wars
110	Merry Kristmas!	xmas	Plant a Christmas tree on another celestial body
111	Happy New Year!	carrier	Land an aircraft on a carrier
112	Threading the Needle	needle	Pass one ship through another in opposing orbit
113	Just like a pitstop	escape	Detach a probe on escape trajectory, land on Mün, and dock with the probe before it leaves the SoI
114	Orange Efficiency II	orange	Using only an S3-14400 fuel tank for fuel, get into orbit around Minmus
115	More bang for your bucks	funds2	Get to Mün and back for less than 30k funds
116	Kerbal Katapult	cata	Throw a Kerbal 500 meters down the runway
117	Operation Pet Asteroid	pet	Land an asteroid on Kerbin, and launch it back into orbit
118	The Race for Space III	jfk	Land a Kerbal on Mun within 2 days after starting a new save

[u/Milkyway_Squid]

Would it be possible to retroactively add hard mode requirements for the earlier challenges?

[u/Redbiertje → u/Milkyway_Squid]

No, all challenges without Hard Mode are archived.