diff --git a/.gitmodules b/.gitmodules
index 45e4398..62b1fad 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,7 +1,7 @@
 [submodule "BaseRandomizer"]
 	path = BaseRandomizer
 	url = https://git.gwaa.kiwi/alttpr-gwaa-kiwi/alttpr-python
-	branch = GwaaKiwi
+	branch = main
 [submodule "Apr2025Randomizer"]
 	path = Apr2025Randomizer
 	url = https://git.gwaa.kiwi/alttpr-gwaa-kiwi/alttpr-python
@@ -9,4 +9,4 @@
 [submodule "BetaRandomizer"]
 	path = BetaRandomizer
 	url = https://git.gwaa.kiwi/alttpr-gwaa-kiwi/alttpr-python
-	branch = DungeonMap
+	branch = beta
diff --git a/ALttPRandomizer/Model/SeedSettings.cs b/ALttPRandomizer/Model/SeedSettings.cs
index 60d8e08..7bc64e3 100644
--- a/ALttPRandomizer/Model/SeedSettings.cs
+++ b/ALttPRandomizer/Model/SeedSettings.cs
@@ -175,7 +175,7 @@
 
     public enum RandomizerInstance {
         [GeneratorSettings("base", "OR_", "--bps", "--spoiler=json")] Base,
-        [GeneratorSettings("beta", "OR_","--bps", "--spoiler=json")] Beta,
+        [GeneratorSettings("beta", "GK_","--bps", "--spoiler=json")] Beta,
         [GeneratorSettings("apr2025", "ER_", requireFlips: true, "--json_spoiler")] Apr2025,
     }
 
diff --git a/ALttPRandomizer/Randomizers/BaseRandomizer.cs b/ALttPRandomizer/Randomizers/BaseRandomizer.cs
index 914db11..0f05f98 100644
--- a/ALttPRandomizer/Randomizers/BaseRandomizer.cs
+++ b/ALttPRandomizer/Randomizers/BaseRandomizer.cs
@@ -9,7 +9,6 @@
     using Microsoft.Extensions.Options;
     using System;
     using System.Collections.Generic;
-    using System.Diagnostics;
     using System.IO;
     using System.Linq;
     using System.Text.Json;
@@ -120,7 +119,8 @@
             var args = this.GetArgs(settings);
 
             if (settings.Randomizer != RandomizerInstance.Apr2025) {
-                args.Append(string.Format("--tries={0}", SINGLE_TRIES));
+                args.Add($"--tries={SINGLE_TRIES}");
+                args.Add($"--rom_header={id}");
             }
 
             var generatorSettings = this.SettingsProcessor.GetGeneratorSettings(settings.Randomizer);
@@ -150,7 +150,8 @@
             var args = settings.Select((s, idx) => string.Format("--p{0}={1}", idx + 1, string.Join(" ", this.GetArgs(s))))
                 .Append(string.Format("--names={0}", string.Join(",", names)))
                 .Append(string.Format("--multi={0}", settings.Count))
-                .Append(string.Format("--tries={0}", MULTI_TRIES));
+                .Append(string.Format("--tries={0}", MULTI_TRIES))
+                .Append(string.Format("--rom_header={0}", id));
 
             await StartProcess(generatorSettings, id, args, async exitcode => {
                 if (exitcode != 0) {
diff --git a/ALttPRandomizer/Service/ProcessService.cs b/ALttPRandomizer/Service/ProcessService.cs
index 0e51fe9..61231e6 100644
--- a/ALttPRandomizer/Service/ProcessService.cs
+++ b/ALttPRandomizer/Service/ProcessService.cs
@@ -29,7 +29,7 @@
             };
             process.ErrorDataReceived += (_, args) => {
                 if (args.Data != null) {
-                    Logger.LogInformation("{prefix} STDERR: {output}", logPrefix, args.Data);
+                    Logger.LogInformation("{prefix} - STDERR: {output}", logPrefix, args.Data);
                 }
             };
 
diff --git a/Apr2025Randomizer b/Apr2025Randomizer
index ca9af42..029e8de 160000
--- a/Apr2025Randomizer
+++ b/Apr2025Randomizer
@@ -1 +1 @@
-Subproject commit ca9af423db90f6d606dd38d0bd3b4ab0571725e7
+Subproject commit 029e8de8527f1f58b39c89130306f96ee3622b03
diff --git a/BaseRandomizer b/BaseRandomizer
index ea8498f..ec81a90 160000
--- a/BaseRandomizer
+++ b/BaseRandomizer
@@ -1 +1 @@
-Subproject commit ea8498f402163abf07f2cb6c02fa403f1ed20701
+Subproject commit ec81a900efcf56304537c16e5596e9eb9b57dc48
diff --git a/BetaRandomizer b/BetaRandomizer
index 0f7253c..a019fa6 160000
--- a/BetaRandomizer
+++ b/BetaRandomizer
@@ -1 +1 @@
-Subproject commit 0f7253c94ed0d354331634a9ef16d78521ec0347
+Subproject commit a019fa6478fc48428d9f439213da0871761f3db6