diff --git a/src/client.ts b/src/client.ts
index d16fff8..2bd414d 100644
--- a/src/client.ts
+++ b/src/client.ts
@@ -675,7 +675,16 @@ export class BikeTagClient extends EventEmitter {
       opts,
       DataTypes.queue
     )
-    const clientMethod = api.queueTag
+    let clientMethod = api.queueTag
+
+    switch (options.source) {
+      case AvailableApis.imgur:
+        clientMethod = clientMethod.bind({
+          getQueue: this.getPassthroughApiMethod(api.getQueue, client),
+          getTags: this.getPassthroughApiMethod(api.getTags, client),
+        })
+        break
+    }
 
     /// If the client adapter implements the method
 
diff --git a/src/imgur/queueTag.ts b/src/imgur/queueTag.ts
index dea0f98..bacd842 100644
--- a/src/imgur/queueTag.ts
+++ b/src/imgur/queueTag.ts
@@ -12,10 +12,12 @@ import { Tag } from '../common/schema'
 import { queueTagPayload } from '../common/payloads'
 import { AvailableApis, HttpStatusCode } from '../common/enums'
 import { UpdateImagePayload } from 'imgur/lib/image'
+import TinyCache from 'tinycache'
 
 export async function queueTag(
   client: ImgurClient,
-  payload: queueTagPayload
+  payload: queueTagPayload,
+  cache?: typeof TinyCache
 ): Promise<BikeTagApiResponse<Tag>> {
   const uploadFoundImage =
     payload?.foundImage && !(payload?.foundImageUrl?.length > 0)
@@ -38,66 +40,87 @@ export async function queueTag(
   let data
   let error
 
-  if (isCompleteQueuedTag) {
-    /// Remove the playerId so that it can't be mimicked
-    /// Update just the mystery image (current.tagnumber + 1)
-    const mysteryTagUpdatePayload = getUpdateTagPayloadFromTagData(
-      payload,
-      true
-    )
-    const mysteryTagUpdateResponse = await client.updateImage(
-      mysteryTagUpdatePayload as UpdateImagePayload
-    )
+  const queuedTags = await this.getQueue(undefined, cache)
+  const playerAlreadyQueued = queuedTags.data?.find((t) => {
+    return isCompleteQueuedTag
+      ? t.mysteryPlayer === payload.mysteryPlayer
+      : t.foundPlayer === payload.foundPlayer
+  })
+  const currentTags = await this.getTags(undefined, cache)
+  const currentTag = currentTags?.data?.length ? currentTags.data[0] : undefined
 
-    /// Update just the found image (current.tagnumber)
-    payload.tagnumber = payload.tagnumber - 1
-    const foundTagUpdatePayload = getUpdateTagPayloadFromTagData(payload)
-    const foundTagUpdateResponse = await client.updateImage(
-      foundTagUpdatePayload as UpdateImagePayload
-    )
-    if (foundTagUpdateResponse.success && mysteryTagUpdateResponse.success) {
-      data = payload
-      success = true
-    } else {
-      success = false
-      error = `found: ${foundTagUpdateResponse.data}, mystery: ${mysteryTagUpdateResponse.data}`
-    }
-  } else if (isFoundQueuedTag || isMysteryQueuedTag) {
-    const queuedTagUploadPayload = await getQueueTagImagePayloadFromTagData(
-      payload as queueTagImagePayload,
-      isMysteryQueuedTag
-    )
+  if (playerAlreadyQueued) {
+    data = payload
+    success = false
+    error = 'player already has queued tag'
+    status = HttpStatusCode.Conflict
+  } else if (currentTag.mysteryPlayer === payload.foundPlayer) {
+    data = payload
+    success = false
+    error = 'player created previous round'
+    status = HttpStatusCode.Conflict
+  } else {
+    if (isCompleteQueuedTag) {
+      /// Remove the playerId so that it can't be mimicked
+      /// Update just the mystery image (current.tagnumber + 1)
+      const mysteryTagUpdatePayload = getUpdateTagPayloadFromTagData(
+        payload,
+        true
+      )
+      const mysteryTagUpdateResponse = await client.updateImage(
+        mysteryTagUpdatePayload as UpdateImagePayload
+      )
 
-    if (isValidUploadTagImagePayload(queuedTagUploadPayload)) {
-      const queuedTagImageUploadResponse = await client.upload(
-        queuedTagUploadPayload as Payload
+      /// Update just the found image (current.tagnumber)
+      payload.tagnumber = payload.tagnumber - 1
+      const foundTagUpdatePayload = getUpdateTagPayloadFromTagData(payload)
+      const foundTagUpdateResponse = await client.updateImage(
+        foundTagUpdatePayload as UpdateImagePayload
       )
-      if (queuedTagImageUploadResponse.success) {
-        const queuedTagImage = queuedTagImageUploadResponse.data
-        if (queuedTagImage) {
-          if (isFoundQueuedTag) {
-            payload.foundImage = undefined
-            payload.foundImageUrl = queuedTagImage.link
-          } else if (isMysteryQueuedTag) {
-            payload.mysteryImage = undefined
-            payload.mysteryImageUrl = queuedTagImage.link
+      if (foundTagUpdateResponse.success && mysteryTagUpdateResponse.success) {
+        data = payload
+        success = true
+      } else {
+        success = false
+        error = `found: ${foundTagUpdateResponse.data}, mystery: ${mysteryTagUpdateResponse.data}`
+      }
+    } else if (isFoundQueuedTag || isMysteryQueuedTag) {
+      const queuedTagUploadPayload = await getQueueTagImagePayloadFromTagData(
+        payload as queueTagImagePayload,
+        isMysteryQueuedTag
+      )
+
+      if (isValidUploadTagImagePayload(queuedTagUploadPayload)) {
+        const queuedTagImageUploadResponse = await client.upload(
+          queuedTagUploadPayload as Payload
+        )
+        if (queuedTagImageUploadResponse.success) {
+          const queuedTagImage = queuedTagImageUploadResponse.data
+          if (queuedTagImage) {
+            if (isFoundQueuedTag) {
+              payload.foundImage = undefined
+              payload.foundImageUrl = queuedTagImage.link
+            } else if (isMysteryQueuedTag) {
+              payload.mysteryImage = undefined
+              payload.mysteryImageUrl = queuedTagImage.link
+            }
           }
+          data = createTagObject(payload)
+        } else {
+          error = queuedTagImageUploadResponse.data
         }
-        data = createTagObject(payload)
+
+        status = queuedTagImageUploadResponse.status
+        success = queuedTagImageUploadResponse.success
       } else {
-        error = queuedTagImageUploadResponse.data
+        success = false
+        status = HttpStatusCode.BadRequest
       }
-
-      status = queuedTagImageUploadResponse.status
-      success = queuedTagImageUploadResponse.success
     } else {
+      data = createTagObject(payload)
       success = false
-      status = HttpStatusCode.BadRequest
+      status = HttpStatusCode.NoContent
     }
-  } else {
-    data = createTagObject(payload)
-    success = false
-    status = HttpStatusCode.NoContent
   }
 
   return {