diff --git a/android/assets/jsons/translations/template.properties b/android/assets/jsons/translations/template.properties
index bccf541b29..6425276d03 100644
--- a/android/assets/jsons/translations/template.properties
+++ b/android/assets/jsons/translations/template.properties
@@ -1379,6 +1379,8 @@ You have been defeated. Your civilization has been overwhelmed by its many foes.
 One more turn...! = 
 Destroy [civName] = 
 Capture [cityName] = 
+Destroy ? * [civName] = 
+Capture ? * [cityName] = 
 Our status = 
 Global status = 
 Rankings = 
@@ -1604,6 +1606,7 @@ Minimal Faith required for\nthe next [Great Prophet]: =
 Religions to be founded: [amount] = 
 Available religion symbols = 
 Number of civilizations * [amount] + [amount2] = 
+Estimated Number of civilizations * [amount] + [amount2] = 
 Religions already founded = 
 Available founder beliefs = 
 Available follower beliefs = 
diff --git a/core/src/com/unciv/logic/civilization/Civilization.kt b/core/src/com/unciv/logic/civilization/Civilization.kt
index a252108fba..f3440767ff 100644
--- a/core/src/com/unciv/logic/civilization/Civilization.kt
+++ b/core/src/com/unciv/logic/civilization/Civilization.kt
@@ -32,6 +32,7 @@ import com.unciv.logic.map.mapunit.MapUnit
 import com.unciv.logic.map.tile.Tile
 import com.unciv.logic.trade.TradeRequest
 import com.unciv.models.Counter
+import com.unciv.models.metadata.GameParameters // Kdoc only
 import com.unciv.models.ruleset.Building
 import com.unciv.models.ruleset.Policy
 import com.unciv.models.ruleset.Victory
@@ -53,7 +54,6 @@ import com.unciv.models.stats.Stats
 import com.unciv.models.translations.tr
 import com.unciv.ui.components.extensions.toPercent
 import com.unciv.ui.screens.victoryscreen.RankingType
-import java.util.*
 import kotlin.math.max
 import kotlin.math.min
 import kotlin.math.roundToInt
@@ -795,8 +795,7 @@ class Civilization : IsPartOfGameInfoSerialization {
             city.cityConstructions.addBuilding(city.capitalCityIndicator())
             city.isBeingRazed = false // stop razing the new capital if it was being razed
         }
-        if (oldCapital != null)
-            oldCapital.cityConstructions.removeBuilding(oldCapital.capitalCityIndicator())
+        oldCapital?.cityConstructions?.removeBuilding(oldCapital.capitalCityIndicator())
     }
 
     fun moveCapitalToNextLargest() {
@@ -814,6 +813,20 @@ class Civilization : IsPartOfGameInfoSerialization {
     fun getAllyCiv() = allyCivName
     fun setAllyCiv(newAllyName: String?) { allyCivName = newAllyName }
 
+    /** Determine if this civ (typically as human player) is allowed to know how many major civs there are
+     *
+     *  Can only be `true` if [GameParameters.randomNumberOfPlayers] is `true`, but in that case
+     *  we try to see if the player _could_ be certain with a modicum of cleverness...
+     */
+    fun hideCivCount(): Boolean {
+        if (!gameInfo.gameParameters.randomNumberOfPlayers) return false
+        val knownCivs = 1 + getKnownCivs().count { it.isMajorCiv() }
+        if (knownCivs >= gameInfo.gameParameters.maxNumberOfPlayers) return false
+        if (hasUnique(UniqueType.OneTimeRevealEntireMap)) return false
+        // Other ideas? viewableTiles.size == gameInfo.tileMap.tileList.size seems not quite useful...
+        return true
+    }
+
     fun asPreview() = CivilizationInfoPreview(this)
 }
 
diff --git a/core/src/com/unciv/logic/civilization/managers/ReligionManager.kt b/core/src/com/unciv/logic/civilization/managers/ReligionManager.kt
index fd92dcb07c..03063d9c3b 100644
--- a/core/src/com/unciv/logic/civilization/managers/ReligionManager.kt
+++ b/core/src/com/unciv/logic/civilization/managers/ReligionManager.kt
@@ -217,11 +217,25 @@ class ReligionManager : IsPartOfGameInfoSerialization {
     fun remainingFoundableReligionsBreakdown() = sequence {
         val gameInfo = civInfo.gameInfo
         val ruleset = gameInfo.ruleset
+        yield("Available religion symbols" to ruleset.religions.size)
+
         val multiplier = ruleset.modOptions.constants.religionLimitMultiplier
         val base = ruleset.modOptions.constants.religionLimitBase
         val civCount = gameInfo.civilizations.count { it.isMajorCiv() }
-        yield("Available religion symbols" to ruleset.religions.size)
-        yield("Number of civilizations * [$multiplier] + [$base]" to base + (civCount * multiplier).toInt())
+        val hideCivCount = civInfo.hideCivCount()
+        if (hideCivCount) {
+            val knownCivs = 1 + civInfo.getKnownCivs().count { it.isMajorCiv() }
+            val estimatedCivCount = (
+                    gameInfo.gameParameters.minNumberOfPlayers.coerceAtLeast(knownCivs) +
+                            gameInfo.gameParameters.maxNumberOfPlayers - 1
+                    ) / 2 + 1
+            val civsAndBase = base + (estimatedCivCount * multiplier).toInt()
+            yield("Estimated number of civilizations * [$multiplier] + [$base]" to civsAndBase)
+        } else {
+            val civsAndBase = base + (civCount * multiplier).toInt()
+            yield("Number of civilizations * [$multiplier] + [$base]" to civsAndBase)
+        }
+
         yield("Religions already founded" to foundedReligionsCount())
         yield("Available founder beliefs" to numberOfBeliefsAvailable(BeliefType.Founder))
         yield("Available follower beliefs" to numberOfBeliefsAvailable(BeliefType.Follower))
diff --git a/core/src/com/unciv/models/ruleset/Victory.kt b/core/src/com/unciv/models/ruleset/Victory.kt
index 8a007bc711..1152cc0fb0 100644
--- a/core/src/com/unciv/models/ruleset/Victory.kt
+++ b/core/src/com/unciv/models/ruleset/Victory.kt
@@ -73,7 +73,7 @@ class Milestone(val uniqueDescription: String, private val parentVictory: Victor
     val type: MilestoneType? = MilestoneType.values().firstOrNull { uniqueDescription.getPlaceholderText() == it.text.getPlaceholderText() }
     val params = uniqueDescription.getPlaceholderParameters()
 
-    fun getIncompleteSpaceshipParts(civInfo: Civilization): Counter<String> {
+    private fun getIncompleteSpaceshipParts(civInfo: Civilization): Counter<String> {
         val incompleteSpaceshipParts = parentVictory.requiredSpaceshipPartsAsCounter.clone()
         incompleteSpaceshipParts.remove(civInfo.victoryManager.currentsSpaceshipParts)
         return incompleteSpaceshipParts
@@ -136,14 +136,20 @@ class Milestone(val uniqueDescription: String, private val parentVictory: Victor
                 val amountDone =
                     if (completed) amountToDo
                     else civInfo.originalMajorCapitalsOwned()
-                "{$uniqueDescription} ($amountDone/$amountToDo)"
+                if (civInfo.hideCivCount())
+                    "{$uniqueDescription} ($amountDone/?)"
+                else
+                    "{$uniqueDescription} ($amountDone/$amountToDo)"
             }
             MilestoneType.DestroyAllPlayers -> {
                 val amountToDo = civInfo.gameInfo.civilizations.count { it.isMajorCiv() } - 1  // Don't count yourself
                 val amountDone =
                     if (completed) amountToDo
-                    else amountToDo - (civInfo.gameInfo.getAliveMajorCivs().filter { it != civInfo }.size)
-                "{$uniqueDescription} ($amountDone/$amountToDo)"
+                    else amountToDo - (civInfo.gameInfo.getAliveMajorCivs().count { it != civInfo })
+                if (civInfo.hideCivCount())
+                    "{$uniqueDescription} ($amountDone/?)"
+                else
+                    "{$uniqueDescription} ($amountDone/$amountToDo)"
             }
             MilestoneType.AddedSSPartsInCapital -> {
                 val completeSpaceshipParts = civInfo.victoryManager.currentsSpaceshipParts
@@ -185,8 +191,10 @@ class Milestone(val uniqueDescription: String, private val parentVictory: Victor
         val buttons = mutableListOf(headerButton)
         when (type) {
             // No extra buttons necessary
+            null,
             MilestoneType.BuiltBuilding, MilestoneType.BuildingBuiltGlobally,
             MilestoneType.ScoreAfterTimeOut, MilestoneType.WinDiplomaticVote -> {}
+
             MilestoneType.AddedSSPartsInCapital -> {
                 val completedSpaceshipParts = civInfo.victoryManager.currentsSpaceshipParts
                 val incompleteSpaceshipParts = getIncompleteSpaceshipParts(civInfo)
@@ -204,23 +212,30 @@ class Milestone(val uniqueDescription: String, private val parentVictory: Victor
             }
 
             MilestoneType.DestroyAllPlayers -> {
-                val majorCivs = civInfo.gameInfo.civilizations.filter { it.isMajorCiv() && it != civInfo }
-                for (civ in majorCivs) {
+                val hideCivCount = civInfo.hideCivCount()
+                for (civ in civInfo.gameInfo.civilizations) {
+                    if (civ == civInfo || !civ.isMajorCiv()) continue
+                    if (hideCivCount && !civInfo.knows(civ)) continue
                     val milestoneText =
-                        if (civInfo.knows(civ) || !civ.isAlive()) "Destroy [${civ.civName}]"
+                        if (civInfo.knows(civ) || civ.isDefeated()) "Destroy [${civ.civName}]"
                         else "Destroy [${Constants.unknownNationName}]"
-                    buttons.add(getMilestoneButton(milestoneText, !civ.isAlive()))
+                    buttons.add(getMilestoneButton(milestoneText, civ.isDefeated()))
                 }
+                if (hideCivCount) buttons.add(getMilestoneButton("Destroy ? * [${Constants.unknownNationName}]", false))
             }
 
             MilestoneType.CaptureAllCapitals -> {
+                val hideCivCount = civInfo.hideCivCount()
                 val originalCapitals = civInfo.gameInfo.getCities().filter { it.isOriginalCapital }
                 for (city in originalCapitals) {
+                    val isKnown = civInfo.hasExplored(city.getCenterTile())
+                    if (hideCivCount && !isKnown) continue
                     val milestoneText =
-                        if (civInfo.hasExplored(city.getCenterTile())) "Capture [${city.name}]"
+                        if (isKnown) "Capture [${city.name}]"
                         else "Capture [${Constants.unknownCityName}]"
                     buttons.add(getMilestoneButton(milestoneText, city.civ == civInfo))
                 }
+                if (hideCivCount) buttons.add(getMilestoneButton("Capture ? * [${Constants.unknownCityName}]", false))
             }
 
             MilestoneType.CompletePolicyBranches -> {
@@ -229,6 +244,7 @@ class Milestone(val uniqueDescription: String, private val parentVictory: Victor
                     buttons.add(getMilestoneButton(finisher, civInfo.policies.isAdopted(finisher)))
                 }
             }
+
             MilestoneType.WorldReligion -> {
                 val majorCivs = civInfo.gameInfo.civilizations.filter { it.isMajorCiv() && it.isAlive() }
                 val civReligion = civInfo.religionManager.religion
@@ -242,7 +258,6 @@ class Milestone(val uniqueDescription: String, private val parentVictory: Victor
                     buttons.add(getMilestoneButton(milestoneText, milestoneMet))
                 }
             }
-            null -> {}
         }
         return buttons
     }
diff --git a/core/src/com/unciv/ui/screens/overviewscreen/ReligionOverviewTable.kt b/core/src/com/unciv/ui/screens/overviewscreen/ReligionOverviewTable.kt
index 860fef25b2..b52ef069e2 100644
--- a/core/src/com/unciv/ui/screens/overviewscreen/ReligionOverviewTable.kt
+++ b/core/src/com/unciv/ui/screens/overviewscreen/ReligionOverviewTable.kt
@@ -68,34 +68,37 @@ class ReligionOverviewTab(
 
     private fun Table.addCivSpecificStats() {
         // This is not Civ-specific, but -oh well- still fits
-        val remaining = viewingPlayer.religionManager.remainingFoundableReligions()
         val minWidth = max(religionButtonLabel.prefWidth, overviewScreen.stage.width / 3)
-        val headerText = "Religions to be founded: [$remaining]"
+        val manager = viewingPlayer.religionManager
+        val headerText =
+            if (viewingPlayer.hideCivCount()) "Religions to be founded: [?]"
+            else "Religions to be founded: [${manager.remainingFoundableReligions()}]"
         val religionCountExpander = ExpanderTab(
             headerText, fontSize = 18, headerPad =  5f,
-            startsOutOpened = false, defaultPad =  0f, expanderWidth = minWidth
+            startsOutOpened = false, defaultPad =  0f, expanderWidth = minWidth,
+            onChange = { overviewScreen.resizePage(this@ReligionOverviewTab) }
         ) {
             it.defaults().padTop(10f)
-            for ((text, num) in viewingPlayer.religionManager.remainingFoundableReligionsBreakdown()) {
+            for ((text, num) in manager.remainingFoundableReligionsBreakdown()) {
                 it.add(text.toLabel())
                 it.add(num.toString().toLabel(alignment = Align.right)).right().row()
             }
         }
         add(religionCountExpander).colspan(2).growX().row()
 
-        if (viewingPlayer.religionManager.canGenerateProphet()) {
+        if (manager.canGenerateProphet()) {
             add("Minimal Faith required for\nthe next [great prophet equivalent]:"
-                .fillPlaceholders(viewingPlayer.religionManager.getGreatProphetEquivalent()!!)
+                .fillPlaceholders(manager.getGreatProphetEquivalent()!!)
                 .toLabel()
             )
             add(
-                (viewingPlayer.religionManager.faithForNextGreatProphet() + 1)
+                (manager.faithForNextGreatProphet() + 1)
                 .toLabel()
             ).right().row()
         }
 
         add("Religious status:".toLabel()).left()
-        add(viewingPlayer.religionManager.religionState.toString().toLabel()).right().row()
+        add(manager.religionState.toString().toLabel()).right().row()
     }
 
     private fun loadReligionButtons() {