diff --git a/package.json b/package.json
index 24d61a3c..3b49a288 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ptn-ninja",
-  "version": "3.4.19",
+  "version": "3.4.20",
   "description": "An editor and viewer for Portable Tak Notation",
   "productName": "PTN Ninja",
   "author": "Craig Laparo <gruppler+github@gmail.com>",
diff --git a/readme.md b/readme.md
index 0de6e4b3..b5f157df 100644
--- a/readme.md
+++ b/readme.md
@@ -250,7 +250,7 @@ The structure of the URL is as follows:
 
 `https://ptn.ninja/<PTN>&<param1>=<value1>&<param2>=<value2>[...]`
 
-To get a shortened URL, send a POST request to `https://url.ptn.ninja/short` with request body `{ ptn, params (optional) }` where `ptn` is a string, and `params` is an optional object containing any of the parameters below. If the request is valid, you'll receive the complete shortenend URL as plain text in response.
+To get a shortened URL, send a POST request to `https://url.ptn.ninja/short` with request body `{ ptn, params (optional) }` where `ptn` is a string, and `params` is an optional object containing any of the parameters below. If the request is valid, you'll receive the complete shortenend URL as plain text in response. If the URL is not accessed within 30 days, it will be deleted.
 
 ### URL Parameters
 
diff --git a/src/Game/PTN/Tag.js b/src/Game/PTN/Tag.js
index ea85d928..82018bbd 100644
--- a/src/Game/PTN/Tag.js
+++ b/src/Game/PTN/Tag.js
@@ -36,8 +36,7 @@ export const formats = {
   flats: /^\d+$/,
   flats1: /^\d+$/,
   flats2: /^\d+$/,
-  clock:
-    /^\d+min(\+\d+sec)$|^((((\d\s+)?\d\d?:)?\d\d?:)?\d\d?\s*)?(\+(((\d\s+)?\d\d?:)?\d\d?:)?\d\d?)?$/,
+  clock: /^[^"]+$/,
   date: /^\d{4}\.\d\d?\.\d\d?$/,
   event: /^[^"]+$/,
   komi: /^-?\d*(\.5)?$/,
diff --git a/src/Game/base.js b/src/Game/base.js
index a7b43167..c31a9b2d 100644
--- a/src/Game/base.js
+++ b/src/Game/base.js
@@ -78,6 +78,14 @@ export default class GameBase {
     return params;
   }
 
+  // Split multi-game PTN into separate games
+  static split(ptn) {
+    return ptn.match(
+      /^\s*(\[\w+\s"[^"]*"\]\s*)+((\{[^}]*\})*[/.\s\da-hCFRS!?"'><+-]+)+/gm
+    );
+  }
+
+  // #region Init
   init({
     ptn,
     name,
@@ -145,8 +153,10 @@ export default class GameBase {
     this.notes = {};
     this.warnings = [];
 
-    // Parse HEAD
+    //#region Parse HEAD
+
     try {
+      // Parse tags from PTN
       if (ptn) {
         let item, key;
 
@@ -174,6 +184,7 @@ export default class GameBase {
         }
       }
 
+      // Parse tags from JSON
       if (tags) {
         each(tags, (value, key) => {
           if (value) {
@@ -195,6 +206,7 @@ export default class GameBase {
         });
       }
 
+      // Parse datetime
       if (this.tags.date) {
         this.datetime = Tag.toDate(
           this.tags.date.value,
@@ -204,17 +216,21 @@ export default class GameBase {
         this.datetime = new Date();
       }
 
+      // Get size
       if (this.tags.size) {
         this.size = this.tags.size.value;
       } else {
         if (this.tags.tps) {
+          // Derive from TPS
           this.size = this.tags.tps.value.size;
           this.tags.size = Tag.parse(`[Size "${this.size}"]`);
         } else {
           let error = "Missing board size";
           if (ptn) {
+            // Fail if initializing from PTN
             throw new Error(error);
           } else {
+            // Use default size otherwise
             console.warn(error);
             this.warnings.push(error);
             this.size = this.defaultSize;
@@ -223,10 +239,12 @@ export default class GameBase {
         }
       }
 
+      // Sanitize opening
       if (!this.tags.opening) {
         this.tags.opening = Tag.parse('[Opening "swap"]');
       }
 
+      // Parse TPS
       if (this.tags.tps) {
         this.hasTPS = true;
         this.firstMoveNumber = this.tags.tps.value.linenum;
@@ -271,8 +289,10 @@ export default class GameBase {
       this.updateConfig();
       this.board = new Board(this, null, this.board ? this.board.output : null);
 
-      // Parse BODY
+      //#region Parse BODY
+
       if (ptn) {
+        // Parse moves from PTN
         let item, ply;
         let branch = null;
         let move = new Move({
@@ -422,6 +442,7 @@ export default class GameBase {
           delete item.ptn;
         }
       } else if (moves) {
+        // Parse moves from JSON
         if (comments) {
           this.parseJSONComments(comments, -1);
         }
@@ -431,6 +452,8 @@ export default class GameBase {
       return handleError(error);
     }
 
+    //#region Init Game
+
     if (!this.moves[0]) {
       this.moves[0] = new Move({
         game: this,
@@ -451,6 +474,7 @@ export default class GameBase {
       this.name = this.generateName();
     }
 
+    // Init TPS
     if (this.tags.tps || this.editingTPS) {
       this.board.doTPS(this.editingTPS);
     }
@@ -518,6 +542,8 @@ export default class GameBase {
     }
   }
 
+  //#region Methods
+
   get minState() {
     return this.board.minState;
   }
@@ -735,6 +761,8 @@ export default class GameBase {
     }
   }
 
+  //#region Output
+
   toString(options) {
     options = Object.assign(
       {
diff --git a/src/components/drawers/BotSuggestions.vue b/src/components/drawers/BotSuggestions.vue
index 773fed64..8d136163 100644
--- a/src/components/drawers/BotSuggestions.vue
+++ b/src/components/drawers/BotSuggestions.vue
@@ -202,35 +202,39 @@
         </template>
 
         <!-- Topaz -->
-        <template v-else-if="botSettings.bot === 'topaz'">
+        <div v-else-if="botSettings.bot === 'topaz'" class="relative-position">
           <q-btn
             v-if="!suggestions.length && !isGameEnd"
             @click="loadingTopazMoves ? null : requestTopazSuggestions()"
             :percentage="progressTopazAnalysis"
             class="full-width"
             color="primary"
+            icon="board"
+            :label="$t('analysis.Analyze Position')"
+            :loading="loadingTopazMoves"
             :ripple="!loadingTopazMoves"
             stretch
-          >
-            <template v-if="loadingTopazMoves">
-              <PlyChip
-                v-if="analyzingPly"
-                :ply="allPlies[analyzingPly.id]"
-                @click.stop="goToAnalysisPly"
-                no-branches
-                :done="analyzingPly.isDone"
-                style="text-transform: none"
-              />
-              <q-spinner />
-              <q-btn :label="$t('Cancel')" @click.stop="terminateTopaz" flat />
-            </template>
-            <template v-else>
-              <q-icon name="board" left /><span class="block">{{
-                $t("analysis.Analyze Position")
-              }}</span>
-            </template>
-          </q-btn>
-        </template>
+          />
+          <PlyChip
+            v-if="loadingTopazMoves && analyzingPly"
+            :ply="allPlies[analyzingPly.id]"
+            @click.stop="goToAnalysisPly"
+            no-branches
+            :done="analyzingPly.isDone"
+            class="absolute-left"
+          />
+          <q-btn
+            v-if="loadingTopazMoves"
+            :label="$t('Cancel')"
+            @click.stop="terminateTopaz"
+            class="absolute-right"
+            :text-color="
+              $store.state.ui.theme.primaryDark ? 'textLight' : 'textDark'
+            "
+            stretch
+            flat
+          />
+        </div>
       </smooth-reflow>
 
       <!-- Results -->
@@ -539,7 +543,7 @@ export default {
       }
     },
 
-    // MARK: Tiltak Cloud
+    //#region Tiltak Cloud
 
     async analyzeGameTiltak() {
       if (this.isOffline || !this.game.ptn.branchPlies.length) {
@@ -690,7 +694,7 @@ export default {
       return result;
     },
 
-    // MARK: Tiltak WASM
+    //#region Tiltak WASM
 
     initTiltakInteractive(force = false) {
       if (force || !this.tiltakWorker) {
@@ -923,7 +927,7 @@ export default {
       }
     },
 
-    // MARK: Topaz
+    //#region Topaz
 
     initTopaz(force = false) {
       if (force || !this.topazWorker) {
@@ -1023,7 +1027,7 @@ export default {
       }
     },
 
-    // MARK: Init
+    //#region Init
 
     init() {
       // Load wasm bots
@@ -1095,8 +1099,13 @@ export default {
     },
     botSettings: {
       handler(settings) {
+        // Save preferences
         this.$store.dispatch("ui/SET_UI", ["botSettings", settings]);
+
+        // Update current position/bot hash
         this.botSettingsHash = this.hashBotSettings(settings);
+
+        // Stop interactive analysis when switching bots
         if (settings.bot !== "tiltak" && this.tiltakInteractive.isEnabled) {
           this.tiltakInteractive.isEnabled = false;
         }
diff --git a/src/i18n/en-us/about.md b/src/i18n/en-us/about.md
index 7325d11c..45fbcf79 100644
--- a/src/i18n/en-us/about.md
+++ b/src/i18n/en-us/about.md
@@ -1,6 +1,6 @@
 # PTN Ninja
 
-**Version [3.4.19](https://github.com/gruppler/PTN-Ninja/releases)**
+**Version [3.4.20](https://github.com/gruppler/PTN-Ninja/releases)**
 
 This is an editor and viewer for [Portable Tak Notation (PTN)](https://ustak.org/portable-tak-notation/). It aims to be...
 
diff --git a/src/store/game/actions.js b/src/store/game/actions.js
index 26b62f8f..27cfe546 100644
--- a/src/store/game/actions.js
+++ b/src/store/game/actions.js
@@ -444,11 +444,41 @@ export const OPEN_FILES = async function ({ dispatch, state }, files) {
         resolve;
       }
     };
+
     const onInit = (game) => {
       games.push(game);
       finish();
     };
 
+    const parseGame = (ptn, name) => {
+      const onError = (error, plyID) => {
+        console.warn(
+          `Encountered an error in "${name}" at plyID:`,
+          plyID,
+          error
+        );
+        notifyError(`${name}: ${error.message}`);
+        finish();
+      };
+
+      const index = state.list.findIndex((g) => g.name === name);
+      if (index < 0 || this.state.ui.openDuplicate !== "replace") {
+        try {
+          new Game({
+            ptn,
+            name,
+            onError,
+            onInit,
+          });
+        } catch (error) {
+          console.error("Invalid game:", name, error);
+        }
+      } else {
+        dispatch("REPLACE_GAME", { index, ptn });
+        finish();
+      }
+    };
+
     files = Array.from(files);
     files = files.filter((file) => file && /(\.ptn|\.txt)+$/i.test(file.name));
     if (!files.length) {
@@ -462,32 +492,10 @@ export const OPEN_FILES = async function ({ dispatch, state }, files) {
         let reader = new FileReader();
         reader.onload = (event) => {
           const name = file.name.replace(/(\.ptn|\.txt)+$/, "");
-          const index = state.list.findIndex((g) => g.name === name);
-          const ptn = event.target.result;
-          const onError = (error, plyID) => {
-            console.warn(
-              `Encountered an error in "${name}" at plyID:`,
-              plyID,
-              error
-            );
-            notifyError(`${name}: ${error.message}`);
-            finish();
-          };
-          if (index < 0 || this.state.ui.openDuplicate !== "replace") {
-            try {
-              new Game({
-                ptn,
-                name,
-                onError,
-                onInit,
-              });
-            } catch (error) {
-              console.error("Invalid game:", name, error);
-            }
-          } else {
-            dispatch("REPLACE_GAME", { index, ptn });
-            finish();
-          }
+          const games = Game.split(event.target.result);
+          games.forEach((ptn, i) => {
+            parseGame(ptn, `${name} - Game ${i + 1}`);
+          });
         };
         reader.onerror = notifyError;
         reader.readAsText(file);