diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/Statistics.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/Statistics.java
index 9180aef32..ef1e8346c 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/Statistics.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/Statistics.java
@@ -24,6 +24,9 @@ package com.shatteredpixel.shatteredpixeldungeon;
 import com.watabou.utils.Bundle;
 import com.watabou.utils.SparseArray;
 
+import java.util.Arrays;
+import java.util.HashSet;
+
 public class Statistics {
 
 	public static int goldCollected;
@@ -34,6 +37,8 @@ public class Statistics {
 	public static int itemsCrafted;
 	public static int piranhasKilled;
 	public static int ankhsUsed;
+	//tracks every item type 'seen' this run (i.e. would be added to catalogs)
+	public static HashSet<Class> itemTypesDiscovered = new HashSet<>();
 
 	//These are used for score calculation
 	// some are built incrementally, most are assigned when full score is calculated
@@ -78,6 +83,7 @@ public class Statistics {
 		itemsCrafted    = 0;
 		piranhasKilled	= 0;
 		ankhsUsed		= 0;
+		itemTypesDiscovered.clear();
 
 		progressScore   = 0;
 		heldItemValue   = 0;
@@ -136,6 +142,8 @@ public class Statistics {
 	private static final String SNEAKS		= "sneakAttacks";
 	private static final String THROWN		= "thrownAssists";
 
+	private static final String ITEM_DISCOVERIES    = "item_discoveries";
+
 	private static final String SPAWNERS	= "spawnersAlive";
 	
 	private static final String DURATION	= "duration";
@@ -157,6 +165,7 @@ public class Statistics {
 		bundle.put( ALCHEMY,    itemsCrafted );
 		bundle.put( PIRANHAS,	piranhasKilled );
 		bundle.put( ANKHS,		ankhsUsed );
+		bundle.put( ITEM_DISCOVERIES, itemTypesDiscovered.toArray(new Class<?>[0]) );
 
 		bundle.put( PROG_SCORE,  progressScore );
 		bundle.put( ITEM_VAL,    heldItemValue );
@@ -202,6 +211,12 @@ public class Statistics {
 		piranhasKilled	= bundle.getInt( PIRANHAS );
 		ankhsUsed		= bundle.getInt( ANKHS );
 
+		if (bundle.contains( ITEM_DISCOVERIES )) {
+			itemTypesDiscovered = new HashSet<>(Arrays.asList(bundle.getClassArray(ITEM_DISCOVERIES)));
+		} else {
+			itemTypesDiscovered.clear();
+		}
+
 		progressScore   = bundle.getInt( PROG_SCORE );
 		heldItemValue   = bundle.getInt( ITEM_VAL );
 		treasureScore   = bundle.getInt( TRES_SCORE );
diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/journal/Catalog.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/journal/Catalog.java
index 090fe6a0b..a919a0b4c 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/journal/Catalog.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/journal/Catalog.java
@@ -22,6 +22,7 @@
 package com.shatteredpixel.shatteredpixeldungeon.journal;
 
 import com.shatteredpixel.shatteredpixeldungeon.Badges;
+import com.shatteredpixel.shatteredpixeldungeon.Statistics;
 import com.shatteredpixel.shatteredpixeldungeon.items.Amulet;
 import com.shatteredpixel.shatteredpixeldungeon.items.Ankh;
 import com.shatteredpixel.shatteredpixeldungeon.items.ArcaneResin;
@@ -320,6 +321,7 @@ public enum Catalog {
 				Journal.saveNeeded = true;
 			}
 		}
+		Statistics.itemTypesDiscovered.add(cls);
 		Badges.validateCatalogBadges();
 	}