diff --git a/core/src/com/unciv/logic/city/IConstruction.kt b/core/src/com/unciv/logic/city/IConstruction.kt
index bdb42bdb7f..5b1e77e24d 100644
--- a/core/src/com/unciv/logic/city/IConstruction.kt
+++ b/core/src/com/unciv/logic/city/IConstruction.kt
@@ -1,6 +1,7 @@
 package com.unciv.logic.city
 
 import com.unciv.logic.civilization.CivilizationInfo
+import com.unciv.models.ruleset.IHasUniques
 import com.unciv.models.ruleset.Unique
 import com.unciv.models.stats.INamed
 import com.unciv.models.stats.Stat
@@ -15,10 +16,8 @@ interface IConstruction : INamed {
     fun getResourceRequirements(): HashMap<String,Int>
 }
 
-interface INonPerpetualConstruction : IConstruction, INamed {
+interface INonPerpetualConstruction : IConstruction, INamed, IHasUniques {
     val hurryCostModifier: Int
-    val uniqueObjects: List<Unique>
-    val uniques: List<String>
 
     fun getProductionCost(civInfo: CivilizationInfo): Int
     fun getStatBuyCost(cityInfo: CityInfo, stat: Stat): Int?
diff --git a/core/src/com/unciv/models/ruleset/Belief.kt b/core/src/com/unciv/models/ruleset/Belief.kt
index a214dfa905..1156a17e12 100644
--- a/core/src/com/unciv/models/ruleset/Belief.kt
+++ b/core/src/com/unciv/models/ruleset/Belief.kt
@@ -6,11 +6,11 @@ import com.unciv.ui.civilopedia.FormattedLine
 import com.unciv.ui.civilopedia.ICivilopediaText
 import java.util.ArrayList
 
-class Belief : INamed, ICivilopediaText {
+class Belief : INamed, ICivilopediaText, IHasUniques {
     override var name: String = ""
     var type: BeliefType = BeliefType.None
-    var uniques = ArrayList<String>()
-    val uniqueObjects: List<Unique> by lazy { uniques.map { Unique(it) } }
+    override var uniques = ArrayList<String>()
+    override val uniqueObjects: List<Unique> by lazy { uniques.map { Unique(it) } }
 
     override var civilopediaText = listOf<FormattedLine>()
 
diff --git a/core/src/com/unciv/models/ruleset/Building.kt b/core/src/com/unciv/models/ruleset/Building.kt
index de83ee32c9..22bf8d3bac 100644
--- a/core/src/com/unciv/models/ruleset/Building.kt
+++ b/core/src/com/unciv/models/ruleset/Building.kt
@@ -69,11 +69,12 @@ class Building : NamedStats(), INonPerpetualConstruction, ICivilopediaText {
     @Deprecated("As of 3.15.16 - replaced with 'Provides a free [buildingName] [cityFilter]'")
     var providesFreeBuilding: String? = null
     override var uniques = ArrayList<String>()
-    var replacementTextForUniques = ""
     override val uniqueObjects: List<Unique> by lazy { uniques.map { Unique(it) } }
+    var replacementTextForUniques = ""
 
     override var civilopediaText = listOf<FormattedLine>()
 
+
     fun getShortDescription(ruleset: Ruleset): String { // should fit in one line
         val infoList = mutableListOf<String>()
         val str = getStats(null).toString()
diff --git a/core/src/com/unciv/models/ruleset/IHasUniques.kt b/core/src/com/unciv/models/ruleset/IHasUniques.kt
new file mode 100644
index 0000000000..f2564cbb07
--- /dev/null
+++ b/core/src/com/unciv/models/ruleset/IHasUniques.kt
@@ -0,0 +1,9 @@
+package com.unciv.models.ruleset
+
+/**
+ * Common interface for all 'ruleset objects' that have Uniques, like BaseUnit, Nation, etc.
+ */
+interface IHasUniques {
+    var uniques: ArrayList<String> // Can not be a hashset as that would remove doubles
+    val uniqueObjects: List<Unique>
+}
diff --git a/core/src/com/unciv/models/ruleset/Nation.kt b/core/src/com/unciv/models/ruleset/Nation.kt
index df664c9ce4..759a039914 100644
--- a/core/src/com/unciv/models/ruleset/Nation.kt
+++ b/core/src/com/unciv/models/ruleset/Nation.kt
@@ -3,12 +3,9 @@
 import com.badlogic.gdx.graphics.Color
 import com.unciv.Constants
 import com.unciv.logic.civilization.CityStateType
-import com.unciv.logic.civilization.CivilizationInfo
 import com.unciv.models.stats.INamed
-import com.unciv.models.translations.Translations
 import com.unciv.models.translations.squareBraceRegex
 import com.unciv.models.translations.tr
-import com.unciv.ui.civilopedia.CivilopediaText
 import com.unciv.ui.civilopedia.FormattedLine
 import com.unciv.ui.civilopedia.ICivilopediaText
 import com.unciv.ui.utils.Fonts
@@ -22,7 +19,7 @@ enum class VictoryType {
     Scientific,
 }
 
-class Nation : INamed, ICivilopediaText {
+class Nation : INamed, ICivilopediaText, IHasUniques {
     override lateinit var name: String
 
     var leaderName = ""
@@ -43,8 +40,8 @@ class Nation : INamed, ICivilopediaText {
 
     lateinit var outerColor: List<Int>
     var uniqueName = ""
-    var uniques = HashSet<String>()
-    val uniqueObjects: List<Unique> by lazy { uniques.map { Unique(it) } }
+    override var uniques = ArrayList<String>()
+    override val uniqueObjects: List<Unique> by lazy { uniques.map { Unique(it) } }
     var uniqueText = ""
     var innerColor: List<Int>? = null
     var startBias = ArrayList<String>()
diff --git a/core/src/com/unciv/models/ruleset/Policy.kt b/core/src/com/unciv/models/ruleset/Policy.kt
index db37b719c1..3498723e79 100644
--- a/core/src/com/unciv/models/ruleset/Policy.kt
+++ b/core/src/com/unciv/models/ruleset/Policy.kt
@@ -2,12 +2,12 @@ package com.unciv.models.ruleset
 
 import com.unciv.models.stats.INamed
 
-open class Policy : INamed {
+open class Policy : INamed, IHasUniques {
     lateinit var branch: PolicyBranch // not in json - added in gameBasics
 
     override lateinit var name: String
-    var uniques: ArrayList<String> = ArrayList()
-    val uniqueObjects:List<Unique> by lazy { uniques.map { Unique(it) } }
+    override var uniques: ArrayList<String> = ArrayList()
+    override val uniqueObjects: List<Unique> by lazy { uniques.map { Unique(it) } }
     var row: Int = 0
     var column: Int = 0
     var requires: ArrayList<String>? = null
diff --git a/core/src/com/unciv/models/ruleset/Ruleset.kt b/core/src/com/unciv/models/ruleset/Ruleset.kt
index 3f9be944e0..00c903fac5 100644
--- a/core/src/com/unciv/models/ruleset/Ruleset.kt
+++ b/core/src/com/unciv/models/ruleset/Ruleset.kt
@@ -41,7 +41,7 @@ class ModOptions {
     var modSize = 0
     
     val maxXPfromBarbarians = 30
-    var uniques = HashSet<String>()
+    var uniques = HashSet<String>()     // No reason for now to use IHasUniques here, in that case needs to change to ArrayList
 }
 
 class Ruleset {
diff --git a/core/src/com/unciv/models/ruleset/tech/Technology.kt b/core/src/com/unciv/models/ruleset/tech/Technology.kt
index 1bf11d2ece..e570535284 100644
--- a/core/src/com/unciv/models/ruleset/tech/Technology.kt
+++ b/core/src/com/unciv/models/ruleset/tech/Technology.kt
@@ -3,6 +3,7 @@ package com.unciv.models.ruleset.tech
 import com.unciv.UncivGame
 import com.unciv.logic.civilization.CivilizationInfo
 import com.unciv.models.ruleset.Building
+import com.unciv.models.ruleset.IHasUniques
 import com.unciv.models.ruleset.Ruleset
 import com.unciv.models.ruleset.Unique
 import com.unciv.models.translations.tr
@@ -13,14 +14,14 @@ import com.unciv.ui.civilopedia.FormattedLine
 import com.unciv.ui.utils.Fonts
 import java.util.*
 
-class Technology: INamed, ICivilopediaText {
+class Technology: INamed, ICivilopediaText, IHasUniques {
 
     override lateinit var name: String
 
     var cost: Int = 0
     var prerequisites = HashSet<String>()
-    var uniques = ArrayList<String>()
-    val uniqueObjects: List<Unique> by lazy { uniques.map { Unique(it) } }
+    override var uniques = ArrayList<String>()
+    override val uniqueObjects: List<Unique> by lazy { uniques.map { Unique(it) } }
 
     var column: TechColumn? = null // The column that this tech is in the tech tree
     var row: Int = 0
diff --git a/core/src/com/unciv/models/ruleset/tile/TileImprovement.kt b/core/src/com/unciv/models/ruleset/tile/TileImprovement.kt
index 4c354843a9..d612dc18bd 100644
--- a/core/src/com/unciv/models/ruleset/tile/TileImprovement.kt
+++ b/core/src/com/unciv/models/ruleset/tile/TileImprovement.kt
@@ -3,6 +3,7 @@ package com.unciv.models.ruleset.tile
 import com.unciv.logic.civilization.CivilizationInfo
 import com.unciv.models.ruleset.Belief
 import com.unciv.logic.map.RoadStatus
+import com.unciv.models.ruleset.IHasUniques
 import com.unciv.models.ruleset.Ruleset
 import com.unciv.models.ruleset.Unique
 import com.unciv.models.stats.NamedStats
@@ -12,13 +13,13 @@ import com.unciv.ui.civilopedia.ICivilopediaText
 import java.util.*
 import kotlin.math.roundToInt
 
-class TileImprovement : NamedStats(), ICivilopediaText {
+class TileImprovement : NamedStats(), ICivilopediaText, IHasUniques {
 
     var terrainsCanBeBuiltOn: Collection<String> = ArrayList()
     var techRequired: String? = null
     var uniqueTo:String? = null
-    var uniques = ArrayList<String>()
-    val uniqueObjects:List<Unique> by lazy { uniques.map { Unique(it) } }
+    override var uniques = ArrayList<String>()
+    override val uniqueObjects: List<Unique> by lazy { uniques.map { Unique(it) } }
     val shortcutKey: Char? = null
     val turnsToBuild: Int = 0 // This is the base cost.
 
diff --git a/core/src/com/unciv/models/ruleset/unit/BaseUnit.kt b/core/src/com/unciv/models/ruleset/unit/BaseUnit.kt
index d0926c51e3..f156a01c7b 100644
--- a/core/src/com/unciv/models/ruleset/unit/BaseUnit.kt
+++ b/core/src/com/unciv/models/ruleset/unit/BaseUnit.kt
@@ -12,20 +12,19 @@ import com.unciv.models.ruleset.Unique
 import com.unciv.models.stats.INamed
 import com.unciv.models.stats.Stat
 import com.unciv.models.translations.tr
-import com.unciv.ui.civilopedia.CivilopediaText
 import com.unciv.ui.civilopedia.FormattedLine
+import com.unciv.ui.civilopedia.ICivilopediaText
 import com.unciv.ui.utils.Fonts
 import java.util.*
 import kotlin.collections.ArrayList
 import kotlin.collections.HashMap
 import kotlin.collections.HashSet
-import kotlin.math.pow
 
 // This is BaseUnit because Unit is already a base Kotlin class and to avoid mixing the two up
 
 /** This is the basic info of the units, as specified in Units.json,
  in contrast to MapUnit, which is a specific unit of a certain type that appears on the map */
-class BaseUnit : INamed, INonPerpetualConstruction, CivilopediaText() {
+class BaseUnit : INamed, INonPerpetualConstruction, ICivilopediaText {
 
     override lateinit var name: String
     var cost: Int = 0
diff --git a/core/src/com/unciv/models/ruleset/unit/Promotion.kt b/core/src/com/unciv/models/ruleset/unit/Promotion.kt
index 22e8530caf..8c97f8b62c 100644
--- a/core/src/com/unciv/models/ruleset/unit/Promotion.kt
+++ b/core/src/com/unciv/models/ruleset/unit/Promotion.kt
@@ -1,5 +1,6 @@
 package com.unciv.models.ruleset.unit
 
+import com.unciv.models.ruleset.IHasUniques
 import com.unciv.models.ruleset.Ruleset
 import com.unciv.models.ruleset.Unique
 import com.unciv.models.stats.INamed
@@ -8,18 +9,18 @@ import com.unciv.ui.civilopedia.FormattedLine
 import com.unciv.ui.civilopedia.ICivilopediaText
 
 
-class Promotion : INamed, ICivilopediaText {
+class Promotion : INamed, ICivilopediaText, IHasUniques {
     override lateinit var name: String
     var prerequisites = listOf<String>()
     var effect = ""
     var unitTypes = listOf<String>() // The json parser wouldn't agree to deserialize this as a list of UnitTypes. =(
 
-    var uniques = ArrayList<String>()
+    override var uniques = ArrayList<String>()
     fun uniquesWithEffect() = sequence {
         if (effect.isNotEmpty()) yield(effect)
         yieldAll(uniques)
     }
-    val uniqueObjects: List<Unique> by lazy { uniquesWithEffect().map { Unique(it) }.toList() }
+    override val uniqueObjects: List<Unique> by lazy { uniquesWithEffect().map { Unique(it) }.toList() }
 
     override var civilopediaText = listOf<FormattedLine>()
 
diff --git a/core/src/com/unciv/ui/civilopedia/CivilopediaScreen.kt b/core/src/com/unciv/ui/civilopedia/CivilopediaScreen.kt
index a0f875bf05..0872e3729c 100644
--- a/core/src/com/unciv/ui/civilopedia/CivilopediaScreen.kt
+++ b/core/src/com/unciv/ui/civilopedia/CivilopediaScreen.kt
@@ -31,7 +31,7 @@ class CivilopediaScreen(
      * @param name From [Ruleset] object [INamed.name]
      * @param description Multiline text
      * @param image Icon for button
-     * @param flavour [CivilopediaText]
+     * @param flavour [ICivilopediaText]
      * @param y Y coordinate for scrolling to
      * @param height Cell height
      */
@@ -269,12 +269,10 @@ class CivilopediaScreen(
         categoryToEntries[CivilopediaCategories.Tutorial] = tutorialController.getCivilopediaTutorials()
                 .map {
                     CivilopediaEntry(
-                        it.key.replace("_", " "),
+                        it.name,
                         "",
 //                        CivilopediaCategories.Tutorial.getImage?.invoke(it.name, imageSize)
-                        flavour = SimpleCivilopediaText(
-                            sequenceOf(FormattedLine(extraImage = it.key)),
-                            it.value.asSequence(), true)
+                        flavour = it
                     )
                 }
 
diff --git a/core/src/com/unciv/ui/civilopedia/CivilopediaText.kt b/core/src/com/unciv/ui/civilopedia/CivilopediaText.kt
index dc6458f7f6..b61f410d05 100644
--- a/core/src/com/unciv/ui/civilopedia/CivilopediaText.kt
+++ b/core/src/com/unciv/ui/civilopedia/CivilopediaText.kt
@@ -258,7 +258,7 @@ class FormattedLine (
         var iconCount = 0
         val iconSize = max(minIconSize, fontSize * 1.5f)
         if (linkType != LinkType.None && !noLinkImages) {
-            table.add( ImageGetter.getImage(linkImage) ).size(iconSize).padRight(iconPad)
+            table.add(ImageGetter.getImage(linkImage)).size(iconSize).padRight(iconPad)
             iconCount++
         }
         if (!noLinkImages)
@@ -385,22 +385,23 @@ object MarkupRenderer {
 }
 
 /** Storage class for interface [ICivilopediaText] for use as base class */
+@Deprecated("As of 3.16.1, use ICivilopediaText directly please")
 abstract class CivilopediaText : ICivilopediaText {
     override var civilopediaText = listOf<FormattedLine>()
 }
 /** Storage class for instantiation of the simplest form containing only the lines collection */
-class SimpleCivilopediaText(lines: List<FormattedLine>, val isComplete: Boolean = false) : CivilopediaText() {
-    init {
-        civilopediaText = lines
-    }
-    override fun hasCivilopediaTextLines() = true
-    override fun replacesCivilopediaDescription() = isComplete
-    override fun makeLink() = ""
-
+open class SimpleCivilopediaText(
+    override var civilopediaText: List<FormattedLine>,
+    val isComplete: Boolean = false
+) : ICivilopediaText {
     constructor(strings: Sequence<String>, isComplete: Boolean = false) : this(
         strings.map { FormattedLine(it) }.toList(), isComplete)
     constructor(first: Sequence<FormattedLine>, strings: Sequence<String>, isComplete: Boolean = false) : this(
         (first + strings.map { FormattedLine(it) }).toList(), isComplete)
+
+    override fun hasCivilopediaTextLines() = true
+    override fun replacesCivilopediaDescription() = isComplete
+    override fun makeLink() = ""
 }
 
 /** Addon common to most ruleset game objects managing civilopedia display
@@ -424,7 +425,7 @@ interface ICivilopediaText {
      * @return A [FormattedLine] that will be inserted on top
      */
     fun getCivilopediaTextHeader(): FormattedLine? =
-        if (this is INamed) FormattedLine(name, icon=makeLink(), header = 2)
+        if (this is INamed) FormattedLine(name, icon = makeLink(), header = 2)
         else null
 
     /** Generate automatic lines from object metadata.
@@ -456,7 +457,7 @@ interface ICivilopediaText {
      * @param ruleset The current ruleset for the Civilopedia viewer
      * @return A new CivilopediaText instance containing original [civilopediaText] lines merged with those from [getCivilopediaTextHeader] and [getCivilopediaTextLines] calls.
      */
-    fun assembleCivilopediaText(ruleset: Ruleset): CivilopediaText {
+    fun assembleCivilopediaText(ruleset: Ruleset): ICivilopediaText {
         val outerLines = civilopediaText.iterator()
         val newLines = sequence {
             var middleDone = false
diff --git a/core/src/com/unciv/ui/tutorials/TutorialController.kt b/core/src/com/unciv/ui/tutorials/TutorialController.kt
index f960bc1848..185239fc53 100644
--- a/core/src/com/unciv/ui/tutorials/TutorialController.kt
+++ b/core/src/com/unciv/ui/tutorials/TutorialController.kt
@@ -4,6 +4,9 @@ import com.badlogic.gdx.utils.Array
 import com.unciv.JsonParser
 import com.unciv.UncivGame
 import com.unciv.models.Tutorial
+import com.unciv.models.stats.INamed
+import com.unciv.ui.civilopedia.FormattedLine
+import com.unciv.ui.civilopedia.SimpleCivilopediaText
 import com.unciv.ui.utils.CameraStageBaseScreen
 
 class TutorialController(screen: CameraStageBaseScreen) {
@@ -45,11 +48,33 @@ class TutorialController(screen: CameraStageBaseScreen) {
         }
     }
 
-    fun getCivilopediaTutorials(): Map<String, Array<String>> {
-        return tutorials.filter { Tutorial.findByName(it.key)!!.isCivilopedia }
-    }
-
     private fun getTutorial(tutorial: Tutorial): Array<String> {
         return tutorials[tutorial.value] ?: Array()
     }
+
+    /** Wrapper for a Tutorial, supports INamed and ICivilopediaText,
+     *  and already provisions for the display of an ExtraImage on top.
+     *  @param rawName from Tutorial.value, with underscores (this wrapper replaces them with spaces)
+     *  @param lines   Array of lines exactly as stored in a TutorialController.tutorials MapEntry
+     */
+    class CivilopediaTutorial(
+        rawName: String,
+        lines: Array<String>
+    ) : INamed, SimpleCivilopediaText(
+        sequenceOf(FormattedLine(extraImage = rawName)),
+        lines.asSequence(),
+        true
+    ) {
+        override var name = rawName.replace("_", " ")
+    }
+
+    /** Get all Tutorials intended to be displayed in the Civilopedia
+     *  as a List of wrappers supporting INamed and ICivilopediaText
+     */
+    fun getCivilopediaTutorials() =
+        tutorials.filter {
+            Tutorial.findByName(it.key)!!.isCivilopedia
+        }.map {
+            CivilopediaTutorial(it.key, it.value)
+        }
 }