diff --git a/renderer/viewer/lib/worldDataEmitter.ts b/renderer/viewer/lib/worldDataEmitter.ts
index c9329d01..5e28c007 100644
--- a/renderer/viewer/lib/worldDataEmitter.ts
+++ b/renderer/viewer/lib/worldDataEmitter.ts
@@ -37,8 +37,8 @@ export type WorldDataEmitterEvents = {
  * It's up to the consumer to serialize the data if needed
  */
 export class WorldDataEmitter extends (EventEmitter as new () => TypedEmitter<WorldDataEmitterEvents>) {
-  private loadedChunks: Record<ChunkPosKey, boolean>
-  private readonly lastPos: Vec3
+  loadedChunks: Record<ChunkPosKey, boolean>
+  readonly lastPos: Vec3
   private eventListeners: Record<string, any> = {}
   private readonly emitter: WorldDataEmitter
 
@@ -140,7 +140,7 @@ export class WorldDataEmitter extends (EventEmitter as new () => TypedEmitter<Wo
 
     bot._client.on('update_light', ({ chunkX, chunkZ }) => {
       const chunkPos = new Vec3(chunkX * 16, 0, chunkZ * 16)
-      if (!this.waitingSpiralChunksLoad[`${chunkX},${chunkZ}`]) {
+      if (!this.waitingSpiralChunksLoad[`${chunkX},${chunkZ}`] && this.loadedChunks[`${chunkX},${chunkZ}`]) {
         void this.loadChunk(chunkPos, true)
       }
     })
@@ -242,6 +242,8 @@ export class WorldDataEmitter extends (EventEmitter as new () => TypedEmitter<Wo
 
   async loadChunk (pos: ChunkPos, isLightUpdate = false) {
     const [botX, botZ] = chunkPos(this.lastPos)
+    console.log('loadChunk', botX - pos.x / 16, botZ - pos.z / 16)
+
     const dx = Math.abs(botX - Math.floor(pos.x / 16))
     const dz = Math.abs(botZ - Math.floor(pos.z / 16))
     if (dx <= this.viewDistance && dz <= this.viewDistance) {
diff --git a/src/controls.ts b/src/controls.ts
index 0716d68d..83a5f4eb 100644
--- a/src/controls.ts
+++ b/src/controls.ts
@@ -614,6 +614,13 @@ export const f3Keybinds: Array<{
     },
     mobileTitle: 'Toggle chunk borders',
   },
+  {
+    key: 'KeyH',
+    action () {
+      showModal({ reactType: 'chunks-debug' })
+    },
+    mobileTitle: 'Show Chunks Debug',
+  },
   {
     key: 'KeyY',
     async action () {
diff --git a/src/react/ChunksDebug.tsx b/src/react/ChunksDebug.tsx
new file mode 100644
index 00000000..d3eb52a7
--- /dev/null
+++ b/src/react/ChunksDebug.tsx
@@ -0,0 +1,130 @@
+import { useEffect, useRef, useState } from 'react'
+import './LoadingChunks.css'
+
+export interface ChunkDebug {
+  x: number // like -32
+  z: number // like -32
+  lines: string[]
+  sidebarLines: string[]
+  state: 'server-waiting' | 'order-queued' | 'client-waiting' | 'client-processing' | 'done-empty' | 'done'
+}
+
+interface ProcessedChunk extends ChunkDebug {
+  relX: number
+  relZ: number
+  displayLines: string[]
+}
+
+const stateColors: Record<ChunkDebug['state'], string> = {
+  'server-waiting': 'gray',
+  'order-queued': 'darkorange',
+  'client-waiting': 'yellow',
+  'client-processing': 'yellow',
+  'done-empty': 'darkgreen',
+  'done': 'limegreen',
+}
+
+export default ({
+  chunks,
+  playerChunk,
+  maxDistance,
+  tileSize = 16,
+  fontSize = 5,
+}: {
+  chunks: ChunkDebug[]
+  playerChunk: { x: number, z: number }
+  maxDistance: number,
+  tileSize?: number
+  fontSize?: number
+}) => {
+  const [selectedChunk, setSelectedChunk] = useState<ProcessedChunk | null>(null)
+  const [showSidebar, setShowSidebar] = useState(false)
+
+  // Calculate grid dimensions based on maxDistance
+  const gridSize = maxDistance * 2 + 1
+  const centerIndex = maxDistance
+
+  // Process chunks to get only the last one for each position and within maxDistance
+  const processedChunks = chunks.reduce<Record<string, ProcessedChunk>>((acc, chunk) => {
+    const relX = Math.floor((chunk.x - playerChunk.x) / 16)
+    const relZ = Math.floor((chunk.z - playerChunk.z) / 16)
+
+    // Skip chunks outside maxDistance
+    if (Math.abs(relX) > maxDistance || Math.abs(relZ) > maxDistance) return acc
+
+    const key = `${chunk.x},${chunk.z}`
+    acc[key] = {
+      ...chunk,
+      relX,
+      relZ,
+      displayLines: [`${relX},${relZ} (${chunk.x},${chunk.z})`, ...chunk.lines]
+    }
+    return acc
+  }, {})
+
+  return (
+    <div style={{ display: 'flex', gap: '10px' }}>
+      <div style={{
+        display: 'grid',
+        gridTemplateColumns: `repeat(${gridSize}, 1fr)`,
+        gridTemplateRows: `repeat(${gridSize}, 1fr)`,
+        gap: 1,
+        // width: `${tileSize * gridSize}px`,
+        // height: `${tileSize * gridSize}px`,
+      }}>
+        {Array.from({ length: gridSize * gridSize }).map((_, i) => {
+          const relX = -maxDistance + (i % gridSize)
+          const relZ = -maxDistance + Math.floor(i / gridSize)
+          const x = playerChunk.x + relX * 16
+          const z = playerChunk.z + relZ * 16
+          const chunk = processedChunks[`${x},${z}`]
+
+          return (
+            <div
+              key={`${x},${z}`}
+              onClick={() => {
+                if (chunk) {
+                  setSelectedChunk(chunk)
+                  setShowSidebar(true)
+                }
+              }}
+              style={{
+                display: 'flex',
+                justifyContent: 'center',
+                alignItems: 'center',
+                background: chunk ? stateColors[chunk.state] : 'black',
+                color: 'white',
+                fontSize: `${fontSize}px`,
+                cursor: chunk ? 'pointer' : 'default',
+                position: 'relative',
+                width: `${tileSize}px`,
+                height: `${tileSize}px`,
+                // pre-wrap
+                whiteSpace: 'pre',
+              }}
+            >
+              {relX}, {relZ}{'\n'}
+              {chunk?.lines.join('\n')}
+            </div>
+          )
+        })}
+      </div>
+
+      {showSidebar && selectedChunk && (
+        <div style={{ display: 'flex', flexDirection: 'column', gap: '5px' }}>
+          {selectedChunk.displayLines.map((line, i) => (
+            <div key={i} style={{ fontSize: '10px', wordBreak: 'break-word' }}>
+              {line}
+            </div>
+          ))}
+          <div style={{ marginTop: '10px', fontSize: '10px' }} className='text-select'>
+            <div>Sidebar Info:</div>
+            {selectedChunk.sidebarLines.map((line, i) => (
+              <div key={i}>{line}</div>
+            ))}
+          </div>
+        </div>
+      )}
+    </div>
+  )
+}
diff --git a/src/react/ChunksDebugScreen.tsx b/src/react/ChunksDebugScreen.tsx
new file mode 100644
index 00000000..c65eee16
--- /dev/null
+++ b/src/react/ChunksDebugScreen.tsx
@@ -0,0 +1,100 @@
+import { useEffect, useState } from 'react'
+import { useUtilsEffect } from '@zardoy/react-util'
+import { WorldRendererCommon } from 'renderer/viewer/lib/worldrendererCommon'
+import { WorldRendererThree } from 'renderer/viewer/three/worldrendererThree'
+import Screen from './Screen'
+import ChunksDebug, { ChunkDebug } from './ChunksDebug'
+import { useIsModalActive } from './utilsApp'
+
+const Inner = () => {
+  const [playerX, setPlayerX] = useState(Math.floor(worldView!.lastPos.x / 16) * 16)
+  const [playerZ, setPlayerZ] = useState(Math.floor(worldView!.lastPos.z / 16) * 16)
+  const [update, setUpdate] = useState(0)
+
+  useUtilsEffect(({ interval }) => {
+    interval(
+      500,
+      () => {
+        setPlayerX(Math.floor(worldView!.lastPos.x / 16) * 16)
+        setPlayerZ(Math.floor(worldView!.lastPos.z / 16) * 16)
+        setUpdate(u => u + 1)
+      }
+    )
+  }, [])
+
+  const chunksWaitingServer = Object.keys(worldView!.waitingSpiralChunksLoad).map((x): ChunkDebug => ({
+    x: Number(x.split(',')[0]),
+    z: Number(x.split(',')[1]),
+    state: 'server-waiting',
+    lines: [],
+    sidebarLines: [],
+  }))
+
+  const world = globalThis.world as WorldRendererThree
+
+  const loadedSectionsChunks = Object.fromEntries(Object.keys(world.sectionObjects).map(sectionPos => {
+    const [x, y, z] = sectionPos.split(',').map(Number)
+    return [`${x},${z}`, true]
+  }))
+
+  const chunksWaitingClient = Object.keys(worldView!.loadedChunks).map((x): ChunkDebug => ({
+    x: Number(x.split(',')[0]),
+    z: Number(x.split(',')[1]),
+    state: 'client-waiting',
+    lines: [],
+    sidebarLines: [],
+  }))
+
+  const clientProcessingChunks = Object.keys(world.loadedChunks).map((x): ChunkDebug => ({
+    x: Number(x.split(',')[0]),
+    z: Number(x.split(',')[1]),
+    state: 'client-processing',
+    lines: [],
+    sidebarLines: [],
+  }))
+
+  const chunksDoneEmpty = Object.keys(world.finishedChunks)
+    .filter(chunkPos => !loadedSectionsChunks[chunkPos])
+    .map((x): ChunkDebug => ({
+      x: Number(x.split(',')[0]),
+      z: Number(x.split(',')[1]),
+      state: 'done-empty',
+      lines: [],
+      sidebarLines: [],
+    }))
+
+  const chunksDone = Object.keys(world.finishedChunks).map((x): ChunkDebug => ({
+    x: Number(x.split(',')[0]),
+    z: Number(x.split(',')[1]),
+    state: 'done',
+    lines: [],
+    sidebarLines: [],
+  }))
+
+  const allChunks = [
+    ...chunksWaitingServer,
+    ...chunksWaitingClient,
+    ...clientProcessingChunks,
+    ...chunksDone,
+    ...chunksDoneEmpty,
+  ]
+  return <Screen title="Chunks Debug">
+    <ChunksDebug
+      chunks={allChunks}
+      playerChunk={{
+        x: playerX,
+        z: playerZ
+      }}
+      maxDistance={worldView!.viewDistance}
+      tileSize={32}
+      fontSize={8}
+    />
+  </Screen>
+}
+
+export default () => {
+  const isActive = useIsModalActive('chunks-debug')
+  if (!isActive) return null
+
+  return <Inner />
+}
diff --git a/src/react/DebugOverlay.tsx b/src/react/DebugOverlay.tsx
index af0d6675..610bcea9 100644
--- a/src/react/DebugOverlay.tsx
+++ b/src/react/DebugOverlay.tsx
@@ -180,6 +180,7 @@ export default () => {
       <div className={styles.empty} />
       <p>XYZ: {pos.x.toFixed(3)} / {pos.y.toFixed(3)} / {pos.z.toFixed(3)}</p>
       <p>Chunk: {Math.floor(pos.x % 16)} ~ {Math.floor(pos.z % 16)} in {Math.floor(pos.x / 16)} ~ {Math.floor(pos.z / 16)}</p>
+      <p>Section: {Math.floor(pos.x / 16) * 16}, {Math.floor(pos.y / 16) * 16}, {Math.floor(pos.z / 16) * 16}</p>
       <p>Packets: {packetsString}</p>
       <p>Client TPS: {clientTps}</p>
       <p>Facing (viewer): {bot.entity.yaw.toFixed(3)} {bot.entity.pitch.toFixed(3)}</p>
diff --git a/src/reactUi.tsx b/src/reactUi.tsx
index bbfbc2ee..93db7706 100644
--- a/src/reactUi.tsx
+++ b/src/reactUi.tsx
@@ -55,6 +55,8 @@ import PacketsReplayProvider from './react/PacketsReplayProvider'
 import TouchInteractionHint from './react/TouchInteractionHint'
 import { ua } from './react/utils'
 import ControDebug from './react/ControDebug'
+import ChunksDebug from './react/ChunksDebug'
+import ChunksDebugScreen from './react/ChunksDebugScreen'
 
 const isFirefox = ua.getBrowser().name === 'Firefox'
 if (isFirefox) {
@@ -157,6 +159,7 @@ const InGameUi = () => {
           {!disabledUiParts.includes('crosshair') && <Crosshair />}
           {!disabledUiParts.includes('books') && <BookProvider />}
           {!disabledUiParts.includes('bossbars') && displayBossBars && <BossBarOverlayProvider />}
+          <ChunksDebugScreen />
         </PerComponentErrorBoundary>
       </div>