diff --git a/.github/workflows/build_main.yml b/.github/workflows/build_main.yml
new file mode 100644
index 0000000..79fd0b5
--- /dev/null
+++ b/.github/workflows/build_main.yml
@@ -0,0 +1,64 @@
+name: Java CI (Main)
+
+on:
+  push:
+    branches:
+      - 'main'
+  workflow_dispatch:
+    branches:
+      - 'main'
+    inputs:
+      release_type:
+        description: 'Release Type'
+        required: true
+        type: choice
+        default: 'release'
+        options:
+          - 'release'
+          - 'beta'
+          - 'alpha'
+          - 'none'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    if: |
+      !contains(github.event.head_commit.message, '[ci skip]')
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 30
+
+      - name: Set up JDK 21
+        uses: actions/setup-java@v3
+        with:
+          distribution: 'temurin'
+          java-version: '21'
+          cache: gradle
+
+      - name: Grant execute permission for gradlew
+        run: chmod +x gradlew
+
+      - name: Validate Gradle Wrapper
+        uses: gradle/wrapper-validation-action@v1
+
+      - name: Build and Publish with Gradle
+        uses: gradle/gradle-build-action@v2
+        env:
+          MAVEN_TOKEN: ${{ secrets.MAVEN_TOKEN }}
+          SAPS_TOKEN: ${{ secrets.SAPS_TOKEN }}
+        with:
+          arguments: build publish --stacktrace --no-daemon
+
+      - name: Release to CurseForge
+        uses: gradle/gradle-build-action@v2
+        if: ${{ github.event_name == 'workflow_dispatch' && inputs.release_type != 'none' }}
+        env:
+          GIT_COMMIT: ${{ github.event.after }}
+          GIT_PREVIOUS_COMMIT: ${{ github.event.before }}
+          CURSEFORGE_KEY: ${{ secrets.CURSEFORGE_KEY }}
+          MODRINTH_TOKEN: ${{ secrets.MODRINTH_TOKEN }}
+          RELEASE_TYPE: ${{ inputs.release_type }}
+        with:
+          arguments: curseforge modrinth --stacktrace --no-daemon
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index a5b1113..ca672db 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,21 +1,24 @@
-.gradle
-**/build/
-!src/**/build/
-
-# Ignore Gradle GUI config
-gradle-app.setting
-
-# Avoid ignoring Gradle wrapper jar file (.jar files are usually ignored)
-!gradle-wrapper.jar
+# eclipse
+bin
+*.launch
+.settings
+.metadata
+.classpath
+.project
 
-# Avoid ignore Gradle wrappper properties
-!gradle-wrapper.properties
+# idea
+out
+*.ipr
+*.iws
+*.iml
+.idea
 
-# Cache of project
-.gradletasknamecache
+# gradle
+build
+.gradle
+logs
 
-# Eclipse Gradle plugin generated files
-# Eclipse Core
-.project
-# JDT-specific (Eclipse Java Development Tools)
-.classpath
+# other
+eclipse
+run
+.vscode
\ No newline at end of file
diff --git a/build.gradle b/build.gradle
new file mode 100644
index 0000000..e095218
--- /dev/null
+++ b/build.gradle
@@ -0,0 +1,185 @@
+import java.time.Instant
+
+plugins {
+	id 'base'
+	id 'java'
+	id 'maven-publish'
+	id 'net.neoforged.moddev' version "1.0.14"
+	// https://maven.architectury.dev/me/shedaniel/unified-publishing/maven-metadata.xml
+	id "me.shedaniel.unified-publishing" version "0.1.13"
+}
+
+ext.ENV = System.getenv()
+def isLocal = !ENV.containsKey("GITHUB_RUN_NUMBER")
+
+version = "${mod_version}-${isLocal ? "local.${Instant.now().epochSecond}" : "build.${ENV.GITHUB_RUN_NUMBER}"}"
+group = project.maven_group
+base.archivesBaseName = project.archives_base_name
+
+neoForge {
+	version = project.neoforge_version
+
+	runs {
+		configureEach {
+			logLevel = org.slf4j.event.Level.INFO
+		}
+
+		client {
+			client()
+
+			if (ENV.MC_CLIENT_ARGS) {
+				programArguments.addAll(ENV.MC_CLIENT_ARGS.split(' '))
+			}
+
+			jvmArguments.addAll("-XX:+IgnoreUnrecognizedVMOptions", "-XX:+AllowEnhancedClassRedefinition")
+			gameDirectory = file 'run'
+		}
+
+		server {
+			server()
+			programArgument("--nogui")
+			gameDirectory = file 'run_server'
+		}
+	}
+
+	mods {
+		worldadvancements {
+			sourceSet sourceSets.main
+		}
+	}
+
+	parchment {
+		minecraftVersion = parchment_mc_version
+		mappingsVersion = parchment_mapping_version
+	}
+}
+
+compileJava {
+	options.encoding = "UTF-8"
+	options.release.set(21)
+}
+
+java {
+	sourceCompatibility = targetCompatibility = '21'
+	withSourcesJar()
+}
+
+repositories {
+	mavenLocal()
+	mavenCentral()
+
+	maven {
+		url "https://maven.neoforged.net/releases"
+	}
+
+	maven {
+		name = 'ParchmentMC'
+		url = 'https://maven.parchmentmc.org'
+		content {
+			includeGroup "org.parchmentmc.data"
+		}
+	}
+
+	maven {
+		url "https://cursemaven.com"
+		content {
+			includeGroup "curse.maven"
+		}
+	}
+}
+
+dependencies {
+	// compileOnly("curse.maven:oculus-581495:5299671")
+	// compileOnly("curse.maven:rubidium-574856:4952685")
+}
+
+processResources {
+	def toReplace = [
+			"version": project.version,
+	]
+
+	println("[Process Resources] Replacing properties in resources: " + toReplace)
+
+	inputs.properties toReplace
+	filesMatching("META-INF/neoforge.mods.toml") {
+		expand toReplace
+	}
+}
+
+jar {
+	manifest {
+		attributes([
+				"Specification-Title"     : project.mod_id,
+				"Specification-Vendor"    : project.mod_author,
+				"Specification-Version"   : "1",
+				"Implementation-Title"    : project.name,
+				"Implementation-Version"  : version,
+				"Implementation-Vendor"   : project.mod_author,
+				"Implementation-Timestamp": new Date().format("yyyy-MM-dd'T'HH:mm:ssZ")
+		])
+	}
+}
+
+unifiedPublishing {
+	project {
+		releaseType = "${ENV.RELEASE_TYPE ?: 'release'}"
+		gameVersions = [
+				rootProject.minecraft_version
+		]
+		gameLoaders = ["neoforge"]
+		displayName = "$mod_name NeoForge $project.version"
+		mainPublication jar
+
+		if (ENV.CURSEFORGE_KEY) {
+			curseforge {
+				token = ENV.CURSEFORGE_KEY
+				id = project.curseforge_id
+			}
+		}
+
+		if (ENV.MODRINTH_TOKEN) {
+			modrinth {
+				token = ENV.MODRINTH_TOKEN
+				id = project.modrinth_id
+				version = "$project.version+$project.name"
+			}
+		}
+	}
+}
+
+publishing {
+	publications {
+		mavenNeoForge(MavenPublication) {
+			artifactId = archives_base_name
+			from components.java
+		}
+	}
+
+	repositories {
+		if (ENV.MAVEN_TOKEN) {
+			maven {
+				url "https://maven.latvian.dev/releases"
+				credentials {
+					username = "lat"
+					password = "${ENV.MAVEN_TOKEN}"
+				}
+			}
+		}
+
+		if (ENV.SAPS_TOKEN) {
+			maven {
+				url "https://maven.saps.dev/releases"
+				credentials {
+					username = "latvian"
+					password = "${ENV.SAPS_TOKEN}"
+				}
+			}
+		}
+	}
+}
+
+afterEvaluate {
+	tasks.withType(JavaCompile) {
+		options.compilerArgs << "-Xmaxerrs" << "1000"
+	}
+}
\ No newline at end of file
diff --git a/gradle.properties b/gradle.properties
new file mode 100644
index 0000000..5c20082
--- /dev/null
+++ b/gradle.properties
@@ -0,0 +1,17 @@
+org.gradle.jvmargs=-Xmx3G
+org.gradle.daemon=false
+
+mod_id=worldadvancements
+archives_base_name=world-advancements-neoforge
+mod_name=World Advancements
+maven_group=dev.latvian.mods
+mod_author=latvian.dev
+curseforge_id=0
+modrinth_id=0
+
+minecraft_version=1.21.1
+mod_version=2101.0.1
+
+neoforge_version=21.1.12
+parchment_mc_version=1.21
+parchment_mapping_version=2024.07.28
\ No newline at end of file
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 0000000..30d399d
Binary files /dev/null and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000..09523c0
--- /dev/null
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,7 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.9-bin.zip
+networkTimeout=10000
+validateDistributionUrl=true
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
diff --git a/gradlew b/gradlew
new file mode 100755
index 0000000..91a7e26
--- /dev/null
+++ b/gradlew
@@ -0,0 +1,164 @@
+#!/usr/bin/env bash
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn ( ) {
+    echo "$*"
+}
+
+die ( ) {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+esac
+
+# For Cygwin, ensure paths are in UNIX format before anything is touched.
+if $cygwin ; then
+    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
+fi
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >&-
+APP_HOME="`pwd -P`"
+cd "$SAVED" >&-
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
+function splitJvmOpts() {
+    JVM_OPTS=("$@")
+}
+eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
+JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+
+exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
diff --git a/gradlew.bat b/gradlew.bat
new file mode 100755
index 0000000..8a0b282
--- /dev/null
+++ b/gradlew.bat
@@ -0,0 +1,90 @@
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS=
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windowz variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+if "%@eval[2+2]" == "4" goto 4NT_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+goto execute
+
+:4NT_args
+@rem Get arguments from the 4NT Shell from JP Software
+set CMD_LINE_ARGS=%$
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega
diff --git a/settings.gradle b/settings.gradle
new file mode 100644
index 0000000..3310373
--- /dev/null
+++ b/settings.gradle
@@ -0,0 +1,13 @@
+pluginManagement {
+	repositories {
+		gradlePluginPortal()
+		mavenCentral()
+		maven { url "https://maven.creeperhost.net/" }
+	}
+}
+
+plugins {
+	id 'org.gradle.toolchains.foojay-resolver-convention' version '0.8.0'
+}
+
+rootProject.name = 'world-advancements'
\ No newline at end of file
diff --git a/src/main/java/dev/latvian/mods/worldadvancements/WAModEventHandler.java b/src/main/java/dev/latvian/mods/worldadvancements/WAModEventHandler.java
new file mode 100644
index 0000000..217eb46
--- /dev/null
+++ b/src/main/java/dev/latvian/mods/worldadvancements/WAModEventHandler.java
@@ -0,0 +1,5 @@
+package dev.latvian.mods.worldadvancements;
+
+// @EventBusSubscriber(modid = WorldAdvancements.MOD_ID, bus = EventBusSubscriber.Bus.MOD)
+public class WAModEventHandler {
+}
diff --git a/src/main/java/dev/latvian/mods/worldadvancements/WorldAdvancements.java b/src/main/java/dev/latvian/mods/worldadvancements/WorldAdvancements.java
new file mode 100644
index 0000000..4dd6f57
--- /dev/null
+++ b/src/main/java/dev/latvian/mods/worldadvancements/WorldAdvancements.java
@@ -0,0 +1,17 @@
+package dev.latvian.mods.worldadvancements;
+
+import net.minecraft.resources.ResourceLocation;
+import net.neoforged.bus.api.IEventBus;
+import net.neoforged.fml.common.Mod;
+
+@Mod(WorldAdvancements.MOD_ID)
+public class WorldAdvancements {
+	public static final String MOD_ID = "worldadvancements";
+
+	public static ResourceLocation id(String path) {
+		return ResourceLocation.fromNamespaceAndPath(MOD_ID, path);
+	}
+
+	public WorldAdvancements(IEventBus bus) {
+	}
+}
\ No newline at end of file
diff --git a/src/main/resources/META-INF/neoforge.mods.toml b/src/main/resources/META-INF/neoforge.mods.toml
new file mode 100644
index 0000000..cb895e1
--- /dev/null
+++ b/src/main/resources/META-INF/neoforge.mods.toml
@@ -0,0 +1,30 @@
+modLoader = "javafml"
+loaderVersion = "[2,)"
+issueTrackerURL = "https://github.com/latvian-dev/world-advancements/issues"
+license = "MIT"
+
+[[mods]]
+modId = "worldadvancements"
+version = "${version}"
+displayName = "World Advancements"
+authors = "latvian.dev"
+description = '''
+Makes advancements work per-world, not per-player
+'''
+
+[[dependencies.worldadvancements]]
+modId = "neoforge"
+mandatory = true
+versionRange = "[21.0.148,)"
+ordering = "NONE"
+side = "BOTH"
+
+[[dependencies.worldadvancements]]
+modId = "minecraft"
+mandatory = true
+versionRange = "[1.21,)"
+ordering = "NONE"
+side = "BOTH"
+
+[[mixins]]
+config = "worldadvancements.mixins.json"
\ No newline at end of file
diff --git a/src/main/resources/assets/worldadvancements/lang/en_us.json b/src/main/resources/assets/worldadvancements/lang/en_us.json
new file mode 100644
index 0000000..7a73a41
--- /dev/null
+++ b/src/main/resources/assets/worldadvancements/lang/en_us.json
@@ -0,0 +1,2 @@
+{
+}
\ No newline at end of file
diff --git a/src/main/resources/worldadvancements.mixins.json b/src/main/resources/worldadvancements.mixins.json
new file mode 100644
index 0000000..f413bbd
--- /dev/null
+++ b/src/main/resources/worldadvancements.mixins.json
@@ -0,0 +1,14 @@
+{
+	"required": true,
+	"minVersion": "0.8",
+	"package": "dev.latvian.mods.worldadvancements.mixin",
+	"compatibilityLevel": "JAVA_21",
+	"mixins": [
+	],
+	"client": [
+	],
+	"injectors": {
+		"defaultRequire": 1,
+		"maxShiftBy": 2
+	}
+}
\ No newline at end of file