XCOM: Enemy Unknown achievements
3,760
(1,100)

XCOM: Enemy Unknown

4.4 from 2713 votes

There are a maximum of 55 XCOM: Enemy Unknown achievements (50 without DLC) worth 3,760 (1,100)

48,066 tracked gamers have this game, 599 have completed it (1.25%)

Achievement Details

Earth First in XCOM: Enemy Unknown

Earth First275 (60)

This is a rare achievementBeat the game on Classic difficulty.

  • Unlocked by 2,280 tracked gamers (5% - TA Ratio = 4.58) 48,066  

Achievement Guide for Earth First

AuthorSolution
HolyHalfDead
283,039 (145,455)
HolyHalfDead
Achievement won on 25 Jun 16
TA Score for this game: 3,760
Posted on 25 June 16 at 08:45, Edited on 09 August 16 at 23:15
This solution has 4 positive votes and 1 negative vote. Please log in to vote.
You still get this achievement after changing the difficulty to Easy.

Start the game on Classic difficulty. After the first mission, set the difficulty to Easy and hire 4 new soldiers. When those soldiers arrive they will have 6HP. Playing on Easy also means you will get more monthly income. A month before you start the last mission, set the difficulty back to Classic and complete at least one mission on Classic before you finish the game to get this achievement. I found the difficulty reverted back to Classic for the Alien Base Assault, so I carried on from there on Classic.

You will get this other achievement at the same time (if you hadn't already got it) http://www.trueachievements.com/a168925/humanitys-savio....htm
If you start the game on Impossible difficulty, you will also get http://www.trueachievements.com/a168927/our-finest-hour....htm
In January 2013 the Second Wave title update was released. It will download automatically the first time you play while connected to Xbox Live. This makes the game even easier.

From the Main Menu select Single Player then press cn_Y for Second Wave. Select the following:
• New Economy
• Not Created Equally
• Hidden Potential
Press cn_B to return to the Select Difficulty menu, then select Classic and press cn_A. At the Base Location screen select Africa.

After the first mission, go to the Barracks menu and select Hire Soldiers and hire 1 soldier then create a save. Now press cn_Y to go to Mission Control and press cn_A to scan for activity. As soon as the new Soldier arrives press cn_B to stop scanning. Now go back to the Barracks and look at the Will and Aim of your new soldier. Normally your Rookie's stats would be Will:40, Aim:65. What Not Created Equally does is gives you Will:20-62 (increments of 2) and Aim:50-85 (increments of 5). You can keep reloading your previous save until you get some high stats, then repeat it to get more soldiers.

Hidden Potential means the increase in Aim is also randomised. So save just before the end of each mission, and if a soldier gets a promotion check how much their Will and Aim increased, and reload if required. Aim increases vary by class as follows: Sniper 3-9; Support 2-6; Assault 1-5; Heavy 0-2. This means by the time you reach Colonel rank, you could have a Sniper with Aim:148 shock

The key to having an easy time of XCOM, is getting money as fast as possible by building Satellite Uplinks and Satellites as quickly as possible. Your next 2 Satellites should go to South America, for instant Autopsies and Interrogations. Other solutions written before Second Wave was released will recommend starting in North America as the United States gives the most credits per month. New Economy randomises the credits, and starting with 1 Satellite in Africa gives you +30% credits.
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