diff --git a/client/src/components/hints.tsx b/client/src/components/hints.tsx
index 39c5513..2692a7d 100644
--- a/client/src/components/hints.tsx
+++ b/client/src/components/hints.tsx
@@ -2,27 +2,27 @@ import { GameHint } from "./infoview/rpc_api";
 import * as React from 'react';
 import Markdown from './markdown';
 
-export function Hint({hint, step, selected, toggleSelection} : {hint: GameHint, step: number, selected: number, toggleSelection: any}) {
-  return <div className={`message information step-${step}` + (step == selected ? ' selected' : '')} onClick={toggleSelection}>
+export function Hint({hint, step, selected, toggleSelection, lastLevel} : {hint: GameHint, step: number, selected: number, toggleSelection: any, lastLevel?: boolean}) {
+  return <div className={`message information step-${step}` + (step == selected ? ' selected' : '') + (lastLevel ? ' recent' : '')} onClick={toggleSelection}>
     <Markdown>{hint.text}</Markdown>
   </div>
 }
 
-export function HiddenHint({hint, step, selected, toggleSelection} : {hint: GameHint, step: number, selected: number, toggleSelection: any}) {
-  return <div className={`message warning step-${step}` + (step == selected ? ' selected' : '')} onClick={toggleSelection}>
+export function HiddenHint({hint, step, selected, toggleSelection, lastLevel} : {hint: GameHint, step: number, selected: number, toggleSelection: any, lastLevel?: boolean}) {
+  return <div className={`message warning step-${step}` + (step == selected ? ' selected' : '') + (lastLevel ? ' recent' : '')} onClick={toggleSelection}>
     <Markdown>{hint.text}</Markdown>
   </div>
 }
 
-export function Hints({hints, showHidden, step, selected, toggleSelection} : {hints: GameHint[], showHidden: boolean, step: number, selected: number, toggleSelection: any}) {
+export function Hints({hints, showHidden, step, selected, toggleSelection, lastLevel} : {hints: GameHint[], showHidden: boolean, step: number, selected: number, toggleSelection: any, lastLevel?: boolean}) {
 
   const openHints = hints.filter(hint => !hint.hidden)
   const hiddenHints = hints.filter(hint => hint.hidden)
 
   // TODO: Should not use index as key.
   return <>
-    {openHints.map((hint, j) => <Hint key={`hint-${step}-${j}`} hint={hint} step={step} selected={selected} toggleSelection={toggleSelection}/>)}
-    {showHidden && hiddenHints.map((hint, j) => <HiddenHint key={`hidden-hint-${step}-${j}`} hint={hint} step={step} selected={selected} toggleSelection={toggleSelection}/>)}
+    {openHints.map((hint, j) => <Hint key={`hint-${step}-${j}`} hint={hint} step={step} selected={selected} toggleSelection={toggleSelection} lastLevel={lastLevel} />)}
+    {showHidden && hiddenHints.map((hint, j) => <HiddenHint key={`hidden-hint-${step}-${j}`} hint={hint} step={step} selected={selected} toggleSelection={toggleSelection} lastLevel={lastLevel} />)}
   </>
 }
 
diff --git a/client/src/components/infoview/command_line.tsx b/client/src/components/infoview/command_line.tsx
index c93a1ec..100d54b 100644
--- a/client/src/components/infoview/command_line.tsx
+++ b/client/src/components/infoview/command_line.tsx
@@ -64,7 +64,7 @@ config.autoClosingPairs = config.autoClosingPairs.map(
 monaco.languages.setLanguageConfiguration('lean4cmd', config);
 
 /** The input field */
-export function CommandLine({proofPanelRef}: {proofPanelRef: React.MutableRefObject<HTMLDivElement>}) {
+export function CommandLine({proofPanelRef, hidden}: {proofPanelRef: React.MutableRefObject<HTMLDivElement>, hidden?: boolean}) {
 
   /** Reference to the hidden multi-line editor */
   const editor = React.useContext(MonacoEditorContext)
@@ -311,7 +311,7 @@ export function CommandLine({proofPanelRef}: {proofPanelRef: React.MutableRefObj
     runCommand()
   }
 
-  return <div className="command-line">
+  return <div className={`command-line${hidden ? ' hidden' : ''}`}>
       <form onSubmit={handleSubmit}>
         <div className="command-line-input-wrapper">
           <div ref={inputRef} className="command-line-input" />
diff --git a/client/src/components/infoview/main.tsx b/client/src/components/infoview/main.tsx
index 6316e89..a4591f6 100644
--- a/client/src/components/infoview/main.tsx
+++ b/client/src/components/infoview/main.tsx
@@ -475,6 +475,6 @@ export function CommandLineInterface(props: { world: string, level: number, data
         </>
       : <CircularProgress />}
     </div>
-    <CommandLine proofPanelRef={proofPanelRef} />
+    <CommandLine proofPanelRef={proofPanelRef} hidden={proof[proof.length - 1]?.goals.length == 0}/>
   </div>
 }
diff --git a/client/src/components/level.css b/client/src/components/level.css
index 3d39dfb..103921b 100644
--- a/client/src/components/level.css
+++ b/client/src/components/level.css
@@ -258,6 +258,10 @@ td code  {
   margin-right: .5em;
 }
 
+.chat .recent {
+  box-shadow: .0em .0em .4em .1em #8cbbe9;
+}
+
 .exercise .step.selected, .chat .selected {
   /* border: 3px solid #5191d1; */
   box-shadow: .0em .0em .4em .1em var(--clr-primary);
diff --git a/client/src/components/level.tsx b/client/src/components/level.tsx
index 8be5b71..074154b 100644
--- a/client/src/components/level.tsx
+++ b/client/src/components/level.tsx
@@ -140,17 +140,17 @@ function ChatPanel({lastLevel}) {
           // TODO: Should not use index as key.
           return <Hints key={`hints-${i}`}
             hints={step.hints} showHidden={showHelp.has(i)} step={i}
-            selected={selectedStep} toggleSelection={toggleSelection(i)}/>
+            selected={selectedStep} toggleSelection={toggleSelection(i)} lastLevel={i == proof.length - 1}/>
         }
       })}
       <DeletedHints hints={deletedChat}/>
       {completed &&
         <>
-          <div className={`message information step-${k}${selectedStep == k ? ' selected' : ''}`} onClick={toggleSelection(k)}>
+          <div className={`message information recent step-${k}${selectedStep == k ? ' selected' : ''}`} onClick={toggleSelection(k)}>
             Level completed! 🎉
           </div>
           {level?.data?.conclusion?.trim() &&
-            <div className={`message information step-${k}${selectedStep == k ? ' selected' : ''}`} onClick={toggleSelection(k)}>
+            <div className={`message information recent step-${k}${selectedStep == k ? ' selected' : ''}`} onClick={toggleSelection(k)}>
               <Markdown>{level?.data?.conclusion}</Markdown>
             </div>
           }
@@ -439,6 +439,7 @@ function LevelAppBar({isLoading, levelTitle, toggleImpressum, pageNumber = undef
   return <div className="app-bar" style={isLoading ? {display: "none"} : null} >
     {mobile ?
       <>
+        {/* MOBILE VERSION */}
         <div>
           <span className="app-bar-title">
             {levelTitle}
@@ -492,6 +493,7 @@ function LevelAppBar({isLoading, levelTitle, toggleImpressum, pageNumber = undef
       </>
     :
       <>
+        {/* DESKTOP VERSION */}
         <div>
           <Button to={`/${gameId}`} inverted="true" title="back to world selection" id="home-btn">
             <FontAwesomeIcon icon={faHome} />
@@ -514,13 +516,17 @@ function LevelAppBar({isLoading, levelTitle, toggleImpressum, pageNumber = undef
               <FontAwesomeIcon icon={faArrowLeft} />&nbsp;Previous
             </Button>
           </>}
-          {levelId < gameInfo.data?.worldSize[worldId] &&
+          {levelId < gameInfo.data?.worldSize[worldId] ?
             <Button inverted="true"
                 to={`/${gameId}/world/${worldId}/level/${levelId + 1}`} title="next level"
                 disabled={difficulty >= 2 && !(completed || levelId == 0)}
                 onClick={() => setNavOpen(false)}>
               <FontAwesomeIcon icon={faArrowRight} />&nbsp;{levelId ? "Next" : "Start"}
             </Button>
+            :
+            <Button to={`/${gameId}`} inverted="true" title="back to world selection" id="home-btn">
+              <FontAwesomeIcon icon={faHome} />&nbsp;Leave World
+            </Button>
           }
           <Button disabled={levelId <= 0} inverted="true" to=""
               onClick={(ev) => { setCommandLineMode(!commandLineMode); setNavOpen(false) }}