diff --git a/assets/mods/basegame/colourmap/pal16.tga b/assets/mods/basegame/colourmap/pal16.tga
index a0ad751fd..754bad183 100644
--- a/assets/mods/basegame/colourmap/pal16.tga
+++ b/assets/mods/basegame/colourmap/pal16.tga
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:a06bd9df0a5f12d3468ad5e7957eb8feb3c855a8092a22eab430e502e6169232
-size 82
+oid sha256:d2330e1bc3ba7575c50bd4c8d78d4c7d9f57f04648f32be1131a327cab8185fc
+size 92
diff --git a/assets/mods/basegame/colourmap/pal16.txt b/assets/mods/basegame/colourmap/pal16.txt
new file mode 100644
index 000000000..dc29e6af9
--- /dev/null
+++ b/assets/mods/basegame/colourmap/pal16.txt
@@ -0,0 +1,16 @@
+000
+CCC
+666
+FFF
+FE0
+E60
+E00
+E2A
+427
+32F
+3DF
+5F0
+353
+742
+C85
+EBA
\ No newline at end of file
diff --git a/assets/mods/basegame/colourmap/pal64.tga b/assets/mods/basegame/colourmap/pal64.tga
index e459452b5..7e6174bfc 100644
--- a/assets/mods/basegame/colourmap/pal64.tga
+++ b/assets/mods/basegame/colourmap/pal64.tga
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:daab724435520d8fefbd7387ba5ba14cae8556b5a90ba1ade8634dfa57336107
-size 274
+oid sha256:380c9d034957e36c820d4109b1e33405c41283d3f9af7766e350ca3cdc44e256
+size 236
diff --git a/assets/mods/basegame/colourmap/pal64.txt b/assets/mods/basegame/colourmap/pal64.txt
new file mode 100644
index 000000000..8e9fa1d50
--- /dev/null
+++ b/assets/mods/basegame/colourmap/pal64.txt
@@ -0,0 +1,64 @@
+000
+533
+600
+A36
+636
+73B
+427
+44C
+038
+47B
+466
+353
+453
+763
+A63
+742
+333
+E55
+A00
+E2A
+D2F
+92F
+548
+32F
+36F
+588
+390
+5F0
+684
+BA2
+E60
+854
+666
+EBA
+E00
+E6A
+E6F
+848
+62F
+66F
+4AF
+5BA
+8FE
+7F8
+9E0
+FE0
+EA0
+C85
+999
+CCC
+FDE
+EAF
+A3B
+96F
+AAF
+7AF
+3DF
+BFF
+BFB
+AF6
+FEB
+FD7
+E96
+FFF
\ No newline at end of file
diff --git a/assets/mods/basegame/colourmap/pal64_ryb_based.tga b/assets/mods/basegame/colourmap/pal64_ryb_based.tga
deleted file mode 100644
index c20ad0829..000000000
--- a/assets/mods/basegame/colourmap/pal64_ryb_based.tga
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:6380af3bbc7b53e9e242533b06e3bcd937dc298bb354fb52ab5666d9eddf52f5
-size 274
diff --git a/src/net/torvald/terrarum/AppLoader.java b/src/net/torvald/terrarum/AppLoader.java
index 75184afe0..51104ef08 100644
--- a/src/net/torvald/terrarum/AppLoader.java
+++ b/src/net/torvald/terrarum/AppLoader.java
@@ -55,6 +55,14 @@ public class AppLoader implements ApplicationListener {
     public static final String GAME_NAME = "Terrarum";
     public static final String COPYRIGHT_DATE_NAME = "Copyright 2013-2019 Torvald (minjaesong)";
 
+    // is this jvm good?
+    static {
+        if (System.getProperty("sun.arch.data.model") == null || System.getProperty("sun.arch.data.model").equals("unknown")) {
+            System.err.println("Error: Your JVM is not supported by the application.\nPlease install the desired version.");
+            System.exit(1);
+        }
+    }
+
     /**
      * <p>
      * Version numbering that follows Semantic Versioning 2.0.0 (https://semver.org/)
@@ -139,12 +147,13 @@ public class AppLoader implements ApplicationListener {
     public static String processor = "(a super-duper virtual processor)";
     public static String processorVendor = "(andromeda software development)"; // definitely not taken from "that" demogroup
     public static String renderer = "(a super-fancy virtual photoradiator)";
-    public static String rendererVendor = "(radiosity)";
+    public static String rendererVendor = "(aperture science psychovisualcomputation laboratory)";
 
     public static int THREADS = ThreadParallel.INSTANCE.getThreadCount();
     public static boolean MULTITHREAD;
 
     public static final boolean is32BitJVM = !System.getProperty("sun.arch.data.model").contains("64");
+    // some JVMs don't have this property, but they probably don't have "sun.misc.Unsafe" either, so it's no big issue \_(ツ)_/
 
     public static int GL_VERSION;
     public static final int MINIMAL_GL_VERSION = 320;
@@ -169,7 +178,7 @@ public class AppLoader implements ApplicationListener {
     }
 
     public static void setGAME_LOCALE(String value) {
-        if (value.isEmpty() || value.equals("")) {
+        if (value.isEmpty()) {
             GAME_LOCALE = getSysLang();
         }
         else {
diff --git a/work_files/graphics/gui/cursor.psd b/work_files/graphics/gui/cursor.psd
index e53938e77..0cade0e09 100755
--- a/work_files/graphics/gui/cursor.psd
+++ b/work_files/graphics/gui/cursor.psd
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:5a3d035cfdea068f81aa623c933ed955cce39e91d044ed03ff42626b5fd7b3fc
-size 48511
+oid sha256:2c55555f6cac3eff9a25f5a6607ff986d6c0c52f6db623f6b9dd67c2e8adc115
+size 54882
diff --git a/work_files/photoshop_tools/terrarum_vc_16col.act b/work_files/photoshop_tools/terrarum_vc_16col.act
index 57ac3b319..57e0bb3d1 100644
Binary files a/work_files/photoshop_tools/terrarum_vc_16col.act and b/work_files/photoshop_tools/terrarum_vc_16col.act differ