diff --git a/backend/index.ts b/backend/index.ts
index 6c96a61..3a13a99 100644
--- a/backend/index.ts
+++ b/backend/index.ts
@@ -15,6 +15,7 @@ const requestDuration = new Histogram({
   help: "Request duration",
   labelNames: ["action"],
 });
+// promClient.register.registerMetric(requestDuration);
 
 const metricsUser = process.env.METRICS_USER;
 const metricsPassword = process.env.METRICS_PASSWORD;
diff --git a/shared/utils.ts b/shared/utils.ts
index ac48d73..9e99651 100644
--- a/shared/utils.ts
+++ b/shared/utils.ts
@@ -3,11 +3,19 @@ export const pickRandom = <T>(arr: T[]) => {
   return arr[index];
 };
 
+function bashHashStr(str: string) {
+  let hash = 5381,
+    i = str.length;
+
+  while (i) {
+    hash = (hash * 33) ^ str.charCodeAt(--i);
+  }
+
+  return hash >>> 0;
+}
+
 export const hashStr = (str: string) => {
-  return [...str].reduce(
-    (hash, c) => (Math.imul(31, hash) + c.charCodeAt(0)) | 0,
-    0,
-  );
+  return Number(`0.${bashHashStr(str)}`);
 };
 
 export const weightedPickRandom = <T>(
diff --git a/src/components/Board.tsx b/src/components/Board.tsx
index 76e3327..c4acd69 100644
--- a/src/components/Board.tsx
+++ b/src/components/Board.tsx
@@ -1,20 +1,25 @@
 import {
-  ReactNode,
+  type ReactNode,
   useCallback,
   useEffect,
   useMemo,
   useRef,
   useState,
 } from "react";
-import { LoadedTheme, Theme, useTheme } from "../themes/Theme";
+import {
+  type LoadedTexture,
+  type LoadedTheme,
+  type Theme,
+  useTheme,
+} from "../themes/Theme";
 import { Container, Sprite, Stage, useTick } from "@pixi/react";
 import Viewport from "./pixi/PixiViewport";
 import type { Viewport as PixiViewport } from "pixi-viewport";
 import {
-  ClientGame,
+  type ClientGame,
   getValue,
   isServerGame,
-  ServerGame,
+  type ServerGame,
 } from "../../shared/game";
 import { useWSQuery } from "../hooks";
 import { Texture } from "pixi.js";
@@ -37,6 +42,7 @@ import "@pixi/canvas-sprite-tiling";
 import "@pixi/canvas-sprite";
 import "@pixi/canvas-text";
 import { themes } from "../themes";
+import { hashStr, weightedPickRandom } from "../../shared/utils";
 
 interface BoardProps {
   className?: string;
@@ -271,6 +277,20 @@ const Tile = ({
   onRightClick,
   onLeftClick,
 }: TileProps) => {
+  const resolveSprite = useCallback(
+    (lt: LoadedTexture) => {
+      if (Array.isArray(lt)) {
+        console.log("hash:", hashStr(game.uuid + ";" + x + ";" + y));
+        return weightedPickRandom(
+          lt,
+          (i) => i.weight,
+          (tw) => hashStr(game.uuid + ";" + x + ";" + y) * tw,
+        ).sprite;
+      }
+      return lt;
+    },
+    [game.uuid, x, y],
+  );
   const i = x;
   const j = y;
   const isRevealed = game.isRevealed[i][j];
@@ -285,11 +305,13 @@ const Tile = ({
   const isQuestionMark = game.isQuestionMark[i][j];
   const base =
     isRevealed || (isMine && !isFlagged) ? (
-      <Sprite key="b" texture={theme.revealed} />
+      <Sprite key="b" texture={resolveSprite(theme.revealed)} />
     ) : (
-      <Sprite key="b" texture={theme.tile} />
+      <Sprite key="b" texture={resolveSprite(theme.tile)} />
     );
-  const extra = isLastPos ? <Sprite key="e" texture={theme.lastPos} /> : null;
+  const extra = isLastPos ? (
+    <Sprite key="e" texture={resolveSprite(theme.lastPos)} />
+  ) : null;
   const touchStart = useRef<number>(0);
   const isMove = useRef<boolean>(false);
   const startX = useRef<number>(0);
@@ -323,14 +345,24 @@ const Tile = ({
   );
   let content: ReactNode = null;
   if (isFlagged) {
-    content = <Sprite key="c" texture={theme.flag} {...baseProps} />;
+    content = (
+      <Sprite key="c" texture={resolveSprite(theme.flag)} {...baseProps} />
+    );
   } else if (isMine) {
-    content = <Sprite key="c" texture={theme.mine} {...baseProps} />;
+    content = (
+      <Sprite key="c" texture={resolveSprite(theme.mine)} {...baseProps} />
+    );
   } else if (value !== -1 && isRevealed) {
     const img = theme[value.toString() as keyof Theme] as Texture;
     content = img ? <Sprite key="c" texture={img} {...baseProps} /> : null;
   } else if (isQuestionMark) {
-    content = <Sprite key="c" texture={theme.questionMark} {...baseProps} />;
+    content = (
+      <Sprite
+        key="c"
+        texture={resolveSprite(theme.questionMark)}
+        {...baseProps}
+      />
+    );
   }
   const [, setCursorX] = useAtom(cursorXAtom);
   const [, setCursorY] = useAtom(cursorYAtom);
diff --git a/src/themes/Theme.ts b/src/themes/Theme.ts
index be87a12..f5c739d 100644
--- a/src/themes/Theme.ts
+++ b/src/themes/Theme.ts
@@ -4,12 +4,17 @@ import { useEffect, useState } from "react";
 type Png = typeof import("*.png");
 type LazySprite = () => Promise<Png>;
 
+interface WeightedLazySprites {
+  weight: number;
+  sprite: LazySprite;
+}
+
 export interface Theme {
   size: number;
-  mine: LazySprite;
-  tile: LazySprite;
+  mine: LazySprite | WeightedLazySprites[];
+  tile: LazySprite | WeightedLazySprites[];
   revealed: LazySprite;
-  flag: LazySprite;
+  flag: LazySprite | WeightedLazySprites[];
   questionMark: LazySprite;
   lastPos: LazySprite;
   1: LazySprite;
@@ -22,7 +27,17 @@ export interface Theme {
   8: LazySprite;
 }
 
-export type LoadedTheme = Record<Exclude<keyof Theme, "size">, Texture> & {
+export type LoadedTexture =
+  | Texture
+  | {
+      weight: number;
+      sprite: Texture;
+    }[];
+
+export type LoadedTheme = Record<
+  Exclude<keyof Theme, "size">,
+  LoadedTexture
+> & {
   size: number;
 };
 
@@ -34,13 +49,25 @@ export const useTheme = (theme: Theme) => {
     const loadTheme = async () => {
       const loadedEntries = await Promise.all(
         Object.entries(theme).map(async ([key, value]) => {
-          const loaded =
-            typeof value === "function"
-              ? await Assets.load((await value()).default)
-              : value;
+          let loaded = value;
+          if (typeof value === "function") {
+            loaded = await Assets.load((await value()).default);
+          }
+          if (Array.isArray(value)) {
+            loaded = await Promise.all(
+              loaded.map(async (sprite: WeightedLazySprites) => {
+                return {
+                  weight: sprite.weight,
+                  sprite: await Assets.load((await sprite.sprite()).default),
+                };
+              }),
+            );
+          }
+
           return [key, loaded] as const;
         }),
       );
+      console.log("loaded", Object.fromEntries(loadedEntries));
       setLoadedTheme(Object.fromEntries(loadedEntries) as LoadedTheme);
     };
     loadTheme();
diff --git a/src/themes/techies-dire.ts b/src/themes/techies-dire.ts
index ad7a799..627163e 100644
--- a/src/themes/techies-dire.ts
+++ b/src/themes/techies-dire.ts
@@ -1,8 +1,17 @@
-import { Theme } from "./Theme";
+import type { Theme } from "./Theme";
 
 export const techiesDireTheme: Theme = {
   size: 32,
-  mine: () => import("../assets/themes/techies/dire/mine-1.png"),
+  mine: [
+    {
+      weight: 0.5,
+      sprite: () => import("../assets/themes/techies/dire/mine-1.png"),
+    },
+    {
+      weight: 0.5,
+      sprite: () => import("../assets/themes/techies/dire/mine-2.png"),
+    },
+  ],
   tile: () => import("../assets/themes/techies/dire/tile-1.png"),
   revealed: () => import("../assets/themes/techies/dire/revealed.png"),
   flag: () => import("../assets/themes/techies/flag.png"),
diff --git a/src/views/store/Store.tsx b/src/views/store/Store.tsx
index 49a156d..6e147e6 100644
--- a/src/views/store/Store.tsx
+++ b/src/views/store/Store.tsx
@@ -184,11 +184,11 @@ const Store = () => {
                   variant="outline"
                   size="default"
                   className="mx-auto items-center"
-                  onClick={() =>
+                  onClick={() => {
                     openLootbox
                       .mutateAsync({ id: lootbox.id })
-                      .then(() => refetch())
-                  }
+                      .then(() => refetch());
+                  }}
                 >
                   Buy for <b>{lootbox.priceText}</b> <GemsIcon />
                 </Button>