april

src/main/resources/assets/szar/lang/en_us.json

@@ -206,5 +206,8 @@
   "block.szar.ender_obsidian": "Ender Obsidian",
   "block.szar.ender_ore": "Ender Ore",
   "item.szar.raw_ender": "Raw Ender",
-  "item.szar.ender_ingot": "Ender Ingot"
+  "item.szar.ender_ingot": "Ender Ingot",
+
+  "advancement.szar.april_game_beaten.title": "We are so back",
+  "advancement.szar.april_game_beaten.description": "Beat the game on april 1st to flip the game back."
 }

src/main/resources/data/szar/advancements/april_game_beaten.json

@@ -0,0 +1,18 @@
+{
+  "parent": "szar:april",
+  "display": {
+    "icon": {
+      "item": "szar:april"
+    },
+    "title": {"translate": "advancement.szar.april_game_beaten.title"},
+    "description": {"translate": "advancement.szar.april_game_beaten.description"},
+    "show_toast": true,
+    "announce_to_chat": false,
+    "frame": "challenge"
+  },
+  "criteria": {
+    "used_item": {
+      "trigger": "minecraft:impossible"
+    }
+  }
+}

src/main/resources/szar.mixins.json

@@ -16,6 +16,7 @@
     "NoClipMixin",
     "NoiseChunkGeneratorMixin",
     "PlaneBlockInteractionMixin",
+    "PlayerAdvancementTrackerMixin",
     "PlayerDropMixin",
     "PlayerEntityMixin",
     "PlayerInteractionMixin",