diff --git a/core/src/mindustry/ctype/UnlockableContent.java b/core/src/mindustry/ctype/UnlockableContent.java
index c45f076061..0c1c610b9a 100644
--- a/core/src/mindustry/ctype/UnlockableContent.java
+++ b/core/src/mindustry/ctype/UnlockableContent.java
@@ -27,6 +27,8 @@ public abstract class UnlockableContent extends MappableContent{
     public boolean alwaysUnlocked = false;
     /** Whether to show the description in the research dialog preview. */
     public boolean inlineDescription = true;
+    /** Whether details of blocks are hidden in custom games if they haven't been unlocked in campaign mode. */
+    public boolean hideDetails = true;
     /** Special logic icon ID. */
     public int iconId = 0;
     /** Icon of the content to use in UI. */
diff --git a/core/src/mindustry/ui/dialogs/ContentInfoDialog.java b/core/src/mindustry/ui/dialogs/ContentInfoDialog.java
index f62ede3957..9e120155b4 100644
--- a/core/src/mindustry/ui/dialogs/ContentInfoDialog.java
+++ b/core/src/mindustry/ui/dialogs/ContentInfoDialog.java
@@ -81,7 +81,7 @@ public class ContentInfoDialog extends BaseDialog{
         }
 
         if(content.details != null){
-            table.add("[gray]" + (content.unlocked() ? content.details : Iconc.lock + " " + Core.bundle.get("unlock.incampaign"))).pad(6).padTop(20).width(400f).wrap().fillX();
+            table.add("[gray]" + (content.unlocked() || !content.hideDetails ? content.details : Iconc.lock + " " + Core.bundle.get("unlock.incampaign"))).pad(6).padTop(20).width(400f).wrap().fillX();
             table.row();
         }
 
diff --git a/core/src/mindustry/world/Block.java b/core/src/mindustry/world/Block.java
index f0f5e979d8..be8837463a 100644
--- a/core/src/mindustry/world/Block.java
+++ b/core/src/mindustry/world/Block.java
@@ -847,6 +847,10 @@ public class Block extends UnlockableContent{
         if(!outputsPower && consumes.hasPower() && consumes.getPower().buffered){
             throw new IllegalArgumentException("Consumer using buffered power: " + name);
         }
+
+        if(buildVisibility == BuildVisibility.sandboxOnly){
+            hideDetails = false;
+        }
     }
 
     @Override