diff --git a/core/assets/maps/canyon.msav b/core/assets/maps/canyon.msav
index 4eec4a6598..06f5b6e064 100644
Binary files a/core/assets/maps/canyon.msav and b/core/assets/maps/canyon.msav differ
diff --git a/core/assets/maps/spiral.msav b/core/assets/maps/spiral.msav
new file mode 100644
index 0000000000..367b109627
Binary files /dev/null and b/core/assets/maps/spiral.msav differ
diff --git a/core/assets/maps/triad.msav b/core/assets/maps/triad.msav
new file mode 100644
index 0000000000..a693b02cba
Binary files /dev/null and b/core/assets/maps/triad.msav differ
diff --git a/core/src/io/anuke/mindustry/maps/Map.java b/core/src/io/anuke/mindustry/maps/Map.java
index 05878572b8..89165b14c8 100644
--- a/core/src/io/anuke/mindustry/maps/Map.java
+++ b/core/src/io/anuke/mindustry/maps/Map.java
@@ -71,6 +71,9 @@ public class Map implements Comparable<Map>{
 
     /** Returns the generation filters that this map uses on load.*/
     public Array<GenerateFilter> filters(){
+        if(build != -1 && build < 83 && tags.get("genfilters", "").isEmpty()){
+            return Array.with();
+        }
         return world.maps.readFilters(tags.get("genfilters", ""));
     }
 
diff --git a/core/src/io/anuke/mindustry/maps/Maps.java b/core/src/io/anuke/mindustry/maps/Maps.java
index 0bbc2defbd..533e9d53a0 100644
--- a/core/src/io/anuke/mindustry/maps/Maps.java
+++ b/core/src/io/anuke/mindustry/maps/Maps.java
@@ -20,7 +20,7 @@ import static io.anuke.mindustry.Vars.*;
 
 public class Maps implements Disposable{
     /** List of all built-in maps. Filenames only. */
-    private static String[] defaultMapNames = {"fortress", "labyrinth", "islands", "tendrils", "caldera", "glacier", "shattered", "wasteland", "veins", "canyon"};
+    private static String[] defaultMapNames = {"fortress", "labyrinth", "islands", "tendrils", "caldera", "wasteland", "shattered", "canyon", "spiral", "triad", "veins", "glacier"};
     /** All maps stored in an ordered array. */
     private Array<Map> maps = new Array<>();
     /** Serializer for meta. */
diff --git a/desktop-sdl/build.gradle b/desktop-sdl/build.gradle
index 14abb7c630..2b15ccc5ca 100644
--- a/desktop-sdl/build.gradle
+++ b/desktop-sdl/build.gradle
@@ -7,6 +7,7 @@ project.ext.mainClassName = "io.anuke.mindustry.desktopsdl.DesktopLauncher"
 project.ext.assetsDir = new File("../core/assets")
 
 def IKVM_DIR = System.env.IKVM_HOME
+def getTarget = { return project.hasProperty("target") ? project.properties["target"] : "windows" }
 
 task run(dependsOn: classes, type: JavaExec) {
     main = project.mainClassName
@@ -35,7 +36,7 @@ task dist(type: Jar, dependsOn: classes) {
     from files(project.assetsDir);
 
     //use target = all for all platforms
-    def target = project.hasProperty("target") ? project.properties["target"] : "windows";
+    def target = getTarget()
     if(target == "windows") exclude('**.so', "**.dylib")
     if(target == "mac") exclude('**.so', "**.dll")
     if(target == "linux") exclude('**.dll', "**.dylib")
@@ -50,7 +51,7 @@ task ikZip(type: Zip){
     def filename = "$appName-windows-${version}"
 
     from "build/libs/$filename"
-    archiveBaseName = "$appName-windows"
+    archiveBaseName = "$appName-${getTarget()}"
 }
 
 task ikdist{