diff --git a/src/games/GamesBrowser.tsx b/src/games/GamesBrowser.tsx
index 97fef53..07b7a9f 100644
--- a/src/games/GamesBrowser.tsx
+++ b/src/games/GamesBrowser.tsx
@@ -4,108 +4,130 @@ import { useUser } from "../user-context";
 import Link from "../components/Link";
 // @ts-ignore
 import SmoothCollapse from "react-smooth-collapse";
-import {
-    AT,
-} from "@lingdocs/lingdocs-main";
+import { AT } from "@lingdocs/lingdocs-main";
 
 function GamesBrowser() {
-    const { user } = useUser();
-    const [opened, setOpened] = useState<string | undefined>(undefined);
-    function handleChapterClick(id: string) {
-        setOpened(prev => prev === id ? undefined : id);
-    }
-    return <div>
-        {games.map((chapter) => (
-            <div key={chapter.chapter}>
-                <ChapterDisplay
-                    chapter={chapter}
-                    user={user}
-                    handleClick={handleChapterClick}
-                    expanded={opened === chapter.chapter}
-                />
-            </div>
-        ))}
+  const { user } = useUser();
+  const [opened, setOpened] = useState<string | undefined>(undefined);
+  function handleChapterClick(id: string) {
+    setOpened((prev) => (prev === id ? undefined : id));
+  }
+  return (
+    <div>
+      {games.map((chapter) => (
+        <div key={chapter.chapter}>
+          <ChapterDisplay
+            chapter={chapter}
+            user={user}
+            handleClick={handleChapterClick}
+            expanded={opened === chapter.chapter}
+          />
+        </div>
+      ))}
     </div>
+  );
 }
 
-function ChapterDisplay({ chapter, user, handleClick, expanded }: {
-    chapter: { chapter: string, items: GameRecord[] },
-    user: AT.LingdocsUser | undefined,
-    handleClick: (chapter: string) => void,
-    expanded: boolean,
+function ChapterDisplay({
+  chapter,
+  user,
+  handleClick,
+  expanded,
+}: {
+  chapter: { chapter: string; items: GameRecord[] };
+  user: AT.LingdocsUser | undefined;
+  handleClick: (chapter: string) => void;
+  expanded: boolean;
 }) {
-    const [opened, setOpened] = useState<string | undefined>(undefined);
-    const progress = getPercentageComplete(chapter, user?.tests);
-    function handleTitleClick(id: string) {
-        setOpened(prev => prev === id ? undefined : id);
-    }
-    return <div className="mb-3">
-        <div className="card clickable" onClick={() => handleClick(chapter.chapter)}>
-            <div className="card-body" style={{
-                backgroundColor: expanded ? "#e6e6e6" : "inherit",
-            }}>
-                <h4>{chapter.chapter}</h4>
-                <ChapterProgress progress={progress} />
-            </div>
+  const [opened, setOpened] = useState<string | undefined>(undefined);
+  const progress = getPercentageComplete(chapter, user?.tests);
+  function handleTitleClick(id: string) {
+    setOpened((prev) => (prev === id ? undefined : id));
+  }
+  return (
+    <div className="mb-3">
+      <div
+        className="card clickable"
+        onClick={() => handleClick(chapter.chapter)}
+      >
+        <div
+          className="card-body"
+          style={{
+            backgroundColor: expanded ? "#e6e6e6" : "inherit",
+          }}
+        >
+          <h4>{chapter.chapter}</h4>
+          <ChapterProgress progress={progress} />
         </div>
-        <SmoothCollapse expanded={expanded}>
-            {chapter.items.map(({ id, title, Game }) => {
-                const done = user?.tests.some(t => t.done && t.id === id);
-                const open = opened === id;
-                return <div key={id}>
-                    <div className="d-flex flex-row justify-content-between align-items-center">
-                        <div>
-                            <h5 className="my-3 clickable" onClick={() => handleTitleClick(id)}>
-                                <i className={`fas fa-caret-${open ? "down" : "right"}`}></i> {title}
-                                {` `}
-                            </h5>
-                        </div>
-                        <div>
-                            {done && <h4>✅</h4>}
-                        </div>
-                    </div>
-                    <SmoothCollapse expanded={open}>
-                        {open && <Game inChapter={false} />}
-                    </SmoothCollapse>
+      </div>
+      <SmoothCollapse expanded={expanded}>
+        {chapter.items.map(({ id, title, Game }) => {
+          const done = user?.tests.some((t) => t.done && t.id === id);
+          const open = opened === id;
+          return (
+            <div key={id}>
+              <div className="d-flex flex-row justify-content-between align-items-center">
+                <div>
+                  <h5
+                    className="my-3 clickable"
+                    onClick={() => handleTitleClick(id)}
+                  >
+                    <i
+                      className={`fas fa-caret-${open ? "down" : "right"}`}
+                    ></i>{" "}
+                    {title}
+                    {` `}
+                  </h5>
                 </div>
-            })}
-        </SmoothCollapse>
+                <div>{done && <h4>✅</h4>}</div>
+              </div>
+              <SmoothCollapse expanded={open}>
+                {open && <Game inChapter={false} />}
+              </SmoothCollapse>
+            </div>
+          );
+        })}
+      </SmoothCollapse>
     </div>
-
+  );
 }
 
 function ChapterProgress({ progress }: { progress: "not logged in" | number }) {
-    if (progress === "not logged in") {
-        return <div className="small text-muted"><Link to="/account">Log in</Link> to see progress</div>;
-    }
-    return <div>
-        <div className="small text-muted">{progress}% mastered</div>
-        <div className="progress my-1" style={{ height: "5px" }}>
-            <div
-                className="progress-bar"
-                role="progressbar"
-                style={{ width: `${progress}%` }}
-            />
-        </div>
-    </div>;
+  if (progress === "not logged in") {
+    return (
+      <div className="small text-muted">
+        <Link to="/account">Log in</Link> to see progress
+      </div>
+    );
+  }
+  return (
+    <div>
+      <div className="small text-muted">{progress}% mastered</div>
+      <div className="progress my-1" style={{ height: "5px" }}>
+        <div
+          className="progress-bar"
+          role="progressbar"
+          style={{ width: `${progress}%` }}
+        />
+      </div>
+    </div>
+  );
 }
 
 function getPercentageComplete(
-    chapter: { chapter: string, items: GameRecord[] },
-    tests: undefined | AT.TestResult[],
+  chapter: { chapter: string; items: GameRecord[] },
+  tests: undefined | AT.TestResult[]
 ): "not logged in" | number {
-    if (!tests) return "not logged in";
-    const chapterTestIds = chapter.items.map(gr => gr.id);
-    const userCompletedIds = tests.filter(t => t.done).map(t => t.id);
-    
-    const required = chapterTestIds.length;
-    const completed = chapterTestIds
-        .filter(x => userCompletedIds.includes(x)) 
-        .length;
-    
-    return Math.round(
-        (completed / (required + 1)) * 100
-    );
+  if (!tests) return "not logged in";
+  const chapterTestIds = chapter.items.map((gr) => gr.id);
+  const userCompletedIds = tests.filter((t) => t.done).map((t) => t.id);
+
+  const required = chapterTestIds.length;
+  const completed = chapterTestIds.filter((x) =>
+    userCompletedIds.includes(x)
+  ).length;
+
+  return Math.round((completed / required) * 100);
 }
 
-export default GamesBrowser;
\ No newline at end of file
+export default GamesBrowser;