Easy "Endless Day" Achievement...
	Various Steam Achievements...

Change the system time to a date between January 21 and January 25. Then, start a new game. A side quest that requires you to search ruins will appear. Temple ruins are the only ones that can validate this part of the quest. You will probably need to search a few ruins before the validation appears. Afterwards, fight a single unit then pass the turn after that.

Complete the indicated task to unlock the achievement.

Achievement	How to unlock
(Belch!)	Win with the Necrophages.
A Byte of Barons	Have eight heroes.
All Roads Lead to Me	Get 20 trade routes or more starting from, crossing or reaching your empire.
Asleep at the Wheel	Win a game in Easy or higher difficulty against AI.
Barely Broke a Sweat	Win a game in Serious or higher difficulty against AI.
Battlefield Buffet	With the Necrophages, use ten cadaver boosters.
Bigger Is Better	Win an Expansion Victory.
Boot Camp	Finish the basics of tutorial.
Cage Match	Win a game in multiplayer with one another human at least.
Cash Cow	Have one city which produces more than thousand Dust.
Cities Builder	Have two cities in less than fifteem turns.
Corridors of Power	Have one city which produces more than 500 Influence.
Cruise Control	Win a game in Newbie or higher difficulty against AI.
Dice with the Universe	Win a Science Victory.
Diplomanic	Win a Diplomatic Victory.
Diplomeisters	Win with the Drakken.
Endless Gamer	Play for 10 000 turns, across any number of playthroughs.
Endless Leveling	Level up a hero to level fifteen.
Epilogue	Finish the last chapter of a faction quest.
Fast Start	Be the faction with the highest score at turn 25 playing on hard or higher difficulty.
Fighting for Peace	With the Drakken, win a game without having been in war.
Float Like a Butterfly	With the Wild Walkers, win a battle against at least 4 enemies without taking any damage.
Gaze Upon It and Tremble!	Win a Wonder Victory.
Guinea Pig	Use a booster of each luxury resource, across any number of playthroughs.
Harvester	Have one city which produces more than thousand Food.
Helping Hand	Complete 250 quests, across any number of playthroughs.
Here Comes the Cavalry	With the Vaulters, teleport ten units in a besieged city in one turn.
Heroic Patience	Play for thousand turns, across any number of playthroughs.
I <3 Minions	With the Cultists, have twenty converted villages at the same time.
I Am the Eternal End	Win an Elimination Victory.
I Did It My Way	Win with a Custom Faction.
Internal (and External) Revenue Service	With the Roving Clans, get more than 1 000 Dust from the Market Place taxes.
Just in Case	Have 100 of each strategic resource.
Just Warming Up	Win a game in Normal or higher difficulty against AI.
Ka-ching!	Win with the Roving Clans.
Know Thy Enemy	Finish the last chapters of every faction quests, across any number of playthroughs.
Labs and Fabs	Have one city which produces more than 1 000 Science.
Landscaping	With the Ardent Mages, have five pillars at the same time.
Madder than Max	Kill a roving city.
Making Friends	Assimilate 3 minor factions.
Massively Mass Production	Have one city which produces more than thousand Industry.
Maxed Out	Activate all the 4th levels in the Empire Plan.
Maybe It Does Buy Happiness	Win an Economic Victory.
Me and Croesus	Gain 1 000 000 of Dust, across any number of playthroughs.
Mwa ha ha ha haaa!	Win a Supremacy Victory.
No Pain, no Gain	Win with the Ardent Mages.
Numbers. They Don't Lie.	Win a Score Victory.
Pheidippides	Explore 1 000 tiles before the 50th turn.
Piece of (True) Cake	Win a game in Impossible or higher difficulty against AI.
Press the Flesh	Play a game in multiplayer with one another human at least.
Quick Out of the Blocks	Be the faction with the highest score at turn 25 playing on Endless difficulty.
Real Estate Mogul	Build 100 improvements in your entire Empire in one game.
Resistance Is Useless	Pacify 500 villages, across any number of playthroughs.
Scourge of Auriga	Kill 1 000 units, across any number of playthroughs.
Share This!	Win with the Wild Walkers.
So Outta Here	Win with the Vaulters.
Squirreling Away	Produce a Food, a Science, and an Industry stockpile in one game.
Stimulated	Have 5 active luxury boosters at the same time.
Strove, Sought, Found, Did Not Yield	Win a game in Hard or higher difficulty against AI.
The End is Nigh	Win with the Cultists of the Eternal End.
The Learner Is Now the Master	Win a game in "Endless" difficulty against AI.
The Not So Broken Lords	With the Broken Lords, have a district producing more than 10 Dust.
Toe in the Water	Play for ten turns, across any number of playthroughs.
Un-Broken	Win with the Broken Lords.
Urban Sprawl	Have three districts at level two in one of your cities.
What's Mined is Mine	Exploit each kind of strategic resource.
Who, Me?	Raze a friendly city with privateers.