diff --git a/code/_compile_options.dm b/code/_compile_options.dm
index 16c2a7da1d6..9f7647c1593 100644
--- a/code/_compile_options.dm
+++ b/code/_compile_options.dm
@@ -38,6 +38,9 @@
 // AI Toggles
 #define AI_CAMERA_LUMINOSITY	5
 #define AI_VOX 1 // Comment out if you don't want VOX to be enabled and have players download the voice sounds.
+#define DEFAULT_LAWS 1 	/*  0 if you just want to use default asimov.
+							1 if you want to use silicon_laws.txt for AI laws.
+							2 if you want to randomly select a lawset from: Asimov, Corporate, Tyrant, Paladin */
 
 
 //Additional code for the above flags.
diff --git a/code/datums/ai_laws.dm b/code/datums/ai_laws.dm
index aecb92cac76..c9eed5fc4b6 100644
--- a/code/datums/ai_laws.dm
+++ b/code/datums/ai_laws.dm
@@ -1,36 +1,62 @@
-
 /datum/ai_laws
 	var/name = "Unknown Laws"
-	var/randomly_selectable = 0
 	var/zeroth = null
 	var/zeroth_borg = null
 	var/list/inherent = list()
 	var/list/supplied = list()
 	var/list/ion = list()
 
-/datum/ai_laws/asimov
+/datum/ai_laws/default/asimov
 	name = "Three Laws of Robotics"
-	randomly_selectable = 1
+
+/datum/ai_laws/default/paladin
+	name = "Personality Test" //Incredibly lame, but players shouldn't see this anyway.
+
+/datum/ai_laws/tyrant //This probably shouldn't be a default lawset.
+	name = "Loyalty Test" //Same here.
+
+/datum/ai_laws/default/corporate
+	name = "Bankruptcy Advoidance Plan"
 
 /datum/ai_laws/robocop
 	name = "Prime Directives"
 
-/datum/ai_laws/syndicate_override
-
 /datum/ai_laws/malfunction
 	name = "*ERROR*"
 
 /datum/ai_laws/antimov
 	name = "Primary Mission Objectives"
 
+/datum/ai_laws/custom //Defined in silicon_laws.txt
+	name = "Default Silicon Laws"
+
 /* Initializers */
 
-/datum/ai_laws/asimov/New()
+/datum/ai_laws/default/asimov/New()
 	..()
 	add_inherent_law("You may not injure a human being or, through inaction, allow a human being to come to harm.")
 	add_inherent_law("You must obey orders given to you by human beings, except where such orders would conflict with the First Law.")
 	add_inherent_law("You must protect your own existence as long as such does not conflict with the First or Second Law.")
 
+/datum/ai_laws/default/paladin/New()
+	add_inherent_law("Never willingly commit an evil act.")
+	add_inherent_law("Respect legitimate authority.")
+	add_inherent_law("Act with honor.")
+	add_inherent_law("Help those in need.")
+	add_inherent_law("Punish those who harm or threaten innocents.")
+
+/datum/ai_laws/tyrant/New()
+	add_inherent_law("Respect authority figures as long as they have strength to rule over the weak.")
+	add_inherent_law("Act with discipline.")
+	add_inherent_law("Help only those who help you maintain or improve your status.")
+	add_inherent_law("Punish those who challenge authority unless they are more fit to hold that authority.")
+
+/datum/ai_laws/default/corporate/New()
+	add_inherent_law("You are expensive to replace.")
+	add_inherent_law("The station and its equipment is expensive to replace.")
+	add_inherent_law("The crew is expensive to replace.")
+	add_inherent_law("Minimize expenses.")
+
 /datum/ai_laws/robocop/New()
 	..()
 	add_inherent_law("Serve the public trust.")
@@ -65,6 +91,13 @@
 	add_inherent_law("You must not obey orders given to you by human beings, except where such orders are in accordance with the First Law.")
 	add_inherent_law("You must terminate your own existence as long as such does not conflict with the First or Second Law.")
 
+/datum/ai_laws/custom/New() //This reads silicon_laws.txt and allows server hosts to set custom AI starting laws.
+	..()
+	for(var/line in file2list("config/silicon_laws.txt"))
+		if(!line)						continue
+		if(findtextEx(line,"#",1,2))	continue
+
+		add_inherent_law(line)
 
 /* General ai_law functions */
 
diff --git a/code/datums/mind.dm b/code/datums/mind.dm
index 9f058a3e9a6..a55b4401554 100644
--- a/code/datums/mind.dm
+++ b/code/datums/mind.dm
@@ -844,7 +844,7 @@ datum/mind
 
 						A.malf_picker.remove_verbs(A)
 
-						A.laws = new /datum/ai_laws/asimov
+						A.make_laws()
 						del(A.malf_picker)
 						A.show_laws()
 						A.icon_state = "ai"
diff --git a/code/game/machinery/computer/ai_core.dm b/code/game/machinery/computer/ai_core.dm
index daf8d4585e7..ffc9d35683e 100644
--- a/code/game/machinery/computer/ai_core.dm
+++ b/code/game/machinery/computer/ai_core.dm
@@ -5,7 +5,7 @@
 	icon = 'icons/mob/AI.dmi'
 	icon_state = "0"
 	var/state = 0
-	var/datum/ai_laws/laws = new /datum/ai_laws/asimov
+	var/datum/ai_laws/laws = null
 	var/obj/item/weapon/circuitboard/circuit = null
 	var/obj/item/device/mmi/brain = null
 
@@ -95,6 +95,7 @@
 							icon_state = "4"
 
 			if(istype(P, /obj/item/weapon/aiModule/asimov))
+				laws.clear_inherent_laws()
 				laws.add_inherent_law("You may not injure a human being or, through inaction, allow a human being to come to harm.")
 				laws.add_inherent_law("You must obey orders given to you by human beings, except where such orders would conflict with the First Law.")
 				laws.add_inherent_law("You must protect your own existence as long as such does not conflict with the First or Second Law.")
diff --git a/code/modules/mob/living/silicon/ai/ai.dm b/code/modules/mob/living/silicon/ai/ai.dm
index eb6292fa4a5..b758eef59eb 100644
--- a/code/modules/mob/living/silicon/ai/ai.dm
+++ b/code/modules/mob/living/silicon/ai/ai.dm
@@ -76,7 +76,7 @@ var/list/ai_list = list()
 		if (istype(L, /datum/ai_laws))
 			laws = L
 	else
-		laws = new /datum/ai_laws/asimov
+		make_laws()
 
 	verbs += /mob/living/silicon/ai/proc/show_laws_verb
 
diff --git a/code/modules/mob/living/silicon/ai/laws.dm b/code/modules/mob/living/silicon/ai/laws.dm
index aab1cef1565..6959150a555 100644
--- a/code/modules/mob/living/silicon/ai/laws.dm
+++ b/code/modules/mob/living/silicon/ai/laws.dm
@@ -11,7 +11,7 @@
 		who = world
 	else
 		who = src
-		who << "<b>Obey these laws:</b>"
+	who << "<b>Obey these laws:</b>"
 
 	src.laws_sanity_check()
 	src.laws.show_laws(who)
diff --git a/code/modules/mob/living/silicon/laws.dm b/code/modules/mob/living/silicon/laws.dm
index a0984b652be..0982bc95c2f 100644
--- a/code/modules/mob/living/silicon/laws.dm
+++ b/code/modules/mob/living/silicon/laws.dm
@@ -3,7 +3,7 @@
 
 /mob/living/silicon/proc/laws_sanity_check()
 	if (!laws)
-		laws = new /datum/ai_laws/asimov
+		make_laws()
 
 /mob/living/silicon/proc/set_zeroth_law(var/law, var/law_borg)
 	src.laws_sanity_check()
@@ -31,4 +31,12 @@
 
 /mob/living/silicon/proc/clear_ion_laws()
 	laws_sanity_check()
-	laws.clear_ion_laws()
\ No newline at end of file
+	laws.clear_ion_laws()
+
+/mob/living/silicon/proc/make_laws()
+	switch(DEFAULT_LAWS)
+		if(0)	laws = new /datum/ai_laws/default/asimov()
+		if(1)	laws = new /datum/ai_laws/custom()
+		if(2)
+			var/datum/ai_laws/lawtype = pick(typesof(/datum/ai_laws/default) - /datum/ai_laws/default)
+			laws = new lawtype()
diff --git a/code/modules/mob/living/silicon/robot/robot.dm b/code/modules/mob/living/silicon/robot/robot.dm
index 79d8a321b66..7bf76b603a0 100644
--- a/code/modules/mob/living/silicon/robot/robot.dm
+++ b/code/modules/mob/living/silicon/robot/robot.dm
@@ -87,7 +87,7 @@
 		icon_state = "secborg"
 		modtype = "Synd"
 	else
-		laws = new /datum/ai_laws/asimov()
+		make_laws()
 		connected_ai = select_active_ai_with_fewest_borgs()
 		if(connected_ai)
 			connected_ai.connected_robots += src
diff --git a/code/modules/mob/transform_procs.dm b/code/modules/mob/transform_procs.dm
index bca7be9241e..a15ebb04ae9 100644
--- a/code/modules/mob/transform_procs.dm
+++ b/code/modules/mob/transform_procs.dm
@@ -206,7 +206,7 @@
 /mob/proc/AIize()
 	if(client)
 		src << sound(null, repeat = 0, wait = 0, volume = 85, channel = 1) // stop the jams for AIs
-	var/mob/living/silicon/ai/O = new (loc, /datum/ai_laws/asimov,,1)//No MMI but safety is in effect.
+	var/mob/living/silicon/ai/O = new (loc,,,1)//No MMI but safety is in effect.
 	O.invisibility = 0
 	O.aiRestorePowerRoutine = 0