Get it here: http://www.fallout3nexus.com/downloads/file.php?id=14826
Note: Please see the RTF version of the readme included in the download for a prettier layout and all the gory details of what this mod does. This is just the overview truncated for readability.
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Executive Summary
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L.A.I.C.E.P.S. changes a lot of the basic rules of the S.P.E.C.I.A.L. system. Primary statistics, derived statistics, and perks have been altered. Changes were made based on the 30 level game, so Broken Steel is required. The intent of this mod is to:
1) Encourage specialization and unique character building experiences
2) Make choices in primary statistics more important (similar to Fallout 1 & 2)
3) Make your character less front-loaded and all-around good to start out
4) Make all perks at least moderately desirable, and more fun to use
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Description
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In LAICEPS, primary statistics have more weight, and the underutilized ones (Intelligence, Perception, Charisma) do more in the game. Base scores for derived statistics like Carry Weight and Action Points are lower, making your character less front-loaded, and hopefully making your character building decisions a bit more difficult.
Weak and seldom used perks have been improved or completely reworked. You may be able to spot how some perks have gained some synergy and combine together better now to create more specialization paths. Now too with "Almost Perfect" and "Comprehension" in particular altered, there should be no fear in choosing lower level perks that become useless in the long run.
Trader prices are raised across the board and tied more directly to Charisma. At best, base prices in caps are doubled, making it more difficult to become filthy rich in early levels.
I make no claims as to LAICPES being perfectly balanced or suitable to everyone's preferences. You may find difficulty increased depending on how you build your character. You may even find it frustrating if you do not plan for your caps being worth less and want everything to be a cakewalk from the get-go. Others may find things easier by heavily specializing using the improved perks.
I do guarantee though that leveling up your character will be a very different experience with LAICEPS. If you want to be challenged by new character mechanics, definitely give this mod a shot.
Note that LAICEPS is not meant by itself to make narrow specializations all you are at level 30. There are still plenty of ways to reach max skills and primary statistics for someone dedicated to building towards that end, but the tradeoff in other useful perks may not be worth it. Plan well and have fun!
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Version and Change Log
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Version 1.2.1
*Fixed the exit statements on the initialization script that would (caused bad lag). Thanks kerrybeagle!
*Also note that Bobblehead and Primary Attributes bonuses given by perks now show up in the Pip-Boy effects screen. This is a byproduct of changing these to bonuses that stack on top of scores of 10.
Version 1.2
*Initialization/update scripts added for the main LAICEPS file and LAICEPS - Point Lookout. Watch for the quest completion messages after loading your save game. You can miss them if you open a menu while it is still loading.
*Primary Stats unlocked up to scores of 15. Bobbleheads and perks no longer increase your permanent scores.
*Perk Pack One included.
*Charisma bonuses to buy prices are now less forgiving on the high end.
*Nerd Rage!, Quantum Chemist, Silent Running, Fortune Finder, Scrounger, Master Trader, Night Person, and Solar Powered perks altered.
*The Comprehension note for tracking books read is now available to everyone as soon as any skill book is read.
Version 1.1 Released 10/09/2010
*Re-added the removed perk "Swing for the Fences" to LAICEPS - Point Lookout
*Fixed a bad typo in the Skills section of the readme.
* Finally got around to fixing the Primary stats blurbs along with the loading screen text. They now indicate what Charisma, Intelligence, and Perception do in LAICEPS.
Version 1.0.1 Released 10/09/2010
*Small fix to make sure the initial loading script exits properly.
*Removed some of the scary language from the Usage section and added some console commands for mod removal.
Version 1 Released 10/01/2010
Initial public release version.