diff --git a/index.html b/index.html
index 1d32396..ea32d38 100644
--- a/index.html
+++ b/index.html
@@ -95,6 +95,11 @@
             <path d="M 8,13 13,11 8,9 3,11 Z m 0,2 7,-3 V 11 L 8,8 1,11 v 1 z"></path>
             <ellipse cx="5.5" cy="11" rx="0.75" ry="0.5"></ellipse>
         </g>
+        <g id="svg-icon-hint">
+            <path d="M1,8 a7,7 0 1,1 14,0 7,7 0 1,1 -14,0 M2,8 a6,6 0 1,0 12,0 6,6 0 1,0 -12,0"></path>
+            <path d="M5,6 a1,1 0 0,0 2,0 a1,1 0 1,1 1,1 a1,1 0 0,0 -1,1 v1 a1,1 0 1,0 2,0 v-0.17 A3,3 0 1,0 5,6"></path>
+            <circle cx="8" cy="12" r="1"></circle>
+        </g>
     </defs>
     </svg>
     <header id="header-main">
@@ -149,7 +154,15 @@
         <header>
             <img src="og-preview.png" alt="">
             <h1>Lexy's Labyrinth</h1>
-            <p>an unauthorized <strong>Chip's Challenge</strong>® emulator</p>
+            <p>an unofficial <strong>Chip's Challenge</strong>® emulator</p>
+            <button id="splash-fullscreen" type="button" title="Toggle fullscreen">
+                <svg class="svg-icon" viewBox="0 0 16 16">
+                    <path d="m 11,1 h 4 V 5 L 14,4 12,6 10,4 12,2 Z"></path>
+                    <path d="m 11,15 h 4 v -4 l -1,1 -2,-2 -2,2 2,2 z"></path>
+                    <path d="M 5,1 H 1 V 5 L 2,4 4,6 6,4 4,2 Z"></path>
+                    <path d="M 5,15 H 1 v -4 l 1,1 2,-2 2,2 -2,2 z"></path>
+                </svg>
+            </button>
         </header>
         <div id="splash-links">
             <a href="https://github.com/eevee/lexys-labyrinth/wiki">About</a>
@@ -195,16 +208,18 @@
             <div id="player-controls">
                 <button class="control-pause" type="button" title="pause">
                     <svg class="svg-icon" viewBox="0 0 16 16"><path d="M2,1 h4 v14 h-4 z M10,1 h4 v14 h-4 z"></path></svg>
-                    <span class="keyhint"><kbd>p</kbd></span></button>
+                    <span class="-optional-label">pause</span> <span class="keyhint"><kbd>p</kbd></span></button>
                 <button class="control-restart" type="button" title="restart">
                     <svg class="svg-icon" viewBox="0 0 16 16"><path d="M13,13 A 7,7 270 1,1 13,3 L15,1 15,7 9,7 11,5 A 4,4 270 1,0 11,11 z"></path></svg>
+                    <span class="-optional-label">retry</span>
                     </button>
                 <button class="control-undo" type="button" title="undo">
                     <svg class="svg-icon" viewBox="0 0 16 16"><path d="M6,5 6,2 1,7 6,12 6,9 A 10,10 60 0,1 15,12 A 10,10 90 0,0 6,5"></path></svg>
+                    <span class="-optional-label">undo</span>
                     </button>
                 <button class="control-rewind" type="button" title="rewind">
                     <svg class="svg-icon" viewBox="0 0 16 16"><path d="M1,8 7,2 7,14 z M9,8 15,2 15,14 z"></path></svg>
-                    <span class="keyhint"><kbd>z</kbd></span></button>
+                    <span class="-optional-label">rewind</span> <span class="keyhint"><kbd>z</kbd></span></button>
                 <div class="radio-faux-button-set">
                     <label><input class="control-turn-based" type="checkbox"> <span>Turn <br>based <br>mode</span></label>
                 </div>
@@ -230,6 +245,7 @@
                 </div>
                 <div class="player-hint-wrapper">
                     <div class="player-hint"></div>
+                    <svg class="player-hint-bg-icon svg-icon" viewBox="0 0 16 16"><use href="#svg-icon-hint"></use></svg>
                 </div>
                 <div class="chips">
                     <h3>
@@ -263,6 +279,20 @@
                     </h3>
                     <output></output>
                 </div>
+                <div class="player-rules">
+                    <p id="player-rule-compat-lynx" title="This level is known to have compatibility issues with the default Lexy rules, but is playable with the rules it was designed for.">
+                        <svg class="svg-icon" viewBox="0 0 16 16"><path d="M 5,1 C 4,1 3,2 3,3 v 9 c 0,1 0,1 -1,1 -1,0 -1,2 0,2 h 9 c 1,0 2,-1 2,-2 V 4 c 0,-1 0,-1 1,-1 1,0 1,-2 0,-2 z m 0,2 h 6 V 4 H 5 Z m 0,3 h 6 V 7 H 5 Z m 0,3 h 6 v 1 H 5 Z m 0,3 h 6 v 1 H 5 Z"></path></svg>
+                        <span>May require Lynx rules</span>
+                    </p>
+                    <p id="player-rule-logic-hidden" title="In this level, wires and logic gates are invisible.  X-ray glasses will reveal them.">
+                        <svg class="svg-icon" viewBox="0 0 16 16"><path d="M1,8 a7,7 0 0,1 14,0 7,7 0 0,1 -14,0 M3,8 a5,5 0 0,1 10,0 5,5 0 0,1 -10,0"></path><path d="M2,7 h5 v-5 h2 v5 h5 v2 h-5 v5 h-2 v-5 h-5 v-2"></path><path d="M1,14 L14,1 l1,1 L2,15 l-1,-1"></path></svg>
+                        <span>Logic hidden</span>
+                    </p>
+                    <p id="player-rule-cc1-boots" title="In this level, tools cannot be dropped, and only the tools available in CC1 (cleats, suction boots, fire boots, and flippers) can be picked up.">
+                        <svg class="svg-icon" viewBox="0 0 16 16"><path d="m 1,12 v 3 h 3 l 5,-5 h 3 L 15,7 V 4 L 12,7 H 11 L 9,5 V 4 L 12,1 H 9 L 6,4 v 3 z"></path></svg>
+                        <span>Retro tool mode</span>
+                    </p>
+                </div>
                 <div class="inventory"></div>
             </section>
             <div id="player-music">
@@ -365,7 +395,6 @@
                 <!-- populated in js -->
             </div>
             <p>Tip: Middle-click to teleport.</p>
-
             <!-- TODO?
                 - inspect with mouse
                     - list of actors, or currently pointed-to actor?
@@ -383,70 +412,15 @@
         </form>
     </main>
     <main id="editor" hidden>
-        <header>
-            <!-- TODO
-            - close
-            - export
-            - delete??
-
-            - zoom
-
-            also deal with levels vs level /packs/ somehow, not sure how that'll work (including downloading them, yeargh?)
-            -->
-        </header>
+        <header></header>
         <div class="editor-canvas">
             <div class="-container">
                 <!-- level canvas and any overlays go here -->
                 <!-- the container is to allow them to scroll as a single unit -->
             </div>
         </div>
-        <nav class="controls">
-            <!--
-            <p style>
-                Tip: Right click to color drop.<br>
-                Tip: Ctrl-click with terrain to replace only the current tile's terrain, rather than overwriting the whole tile.
-            </p>
-
-            <p>Layer: [all/auto] [terrain] [item] [actor] [overlay]</p>
-
-            <p>Actor direction: [north] [south] [east] [west]</p>
-
-            <p>[ ] Show connections</p>
-            <p>[ ] Toggle green objects</p>
-            <p>[ ] Show monster pathing</p>
-            <p>[ ] Show circuits???</p>
-
-            <pre>
-            Metadata: 
-            xxx / yyy chips required
-            Time limit: [____]
-            Title: [__________]
-            Author: [__________]
-            map size
-            </pre>
-            -->
-        </nav>
+        <nav class="controls"></nav>
         <div class="palette"></div>
-        <!-- TODO:
-        controls
-        - play!
-        - object palette
-        - choose direction
-        - choose layer to /modify/: terrain, item, creature, overlay
-        - stack (place item atop whatever terrain), or replace (placing a tile overwrites the whole cell)
-        [XXX mode that allows arbitrary stacking of objects?]
-        - level metadata
-        - change size
-
-        XXX how do i handle thin walls?  treat specially, allow drawing/erasing them along edges instead of tiles?  ehh then you can't control which tile they're in though...  but the game seems to prefer south+east so maybe that works...
-
-        hotkeys
-        - mod a tile on the board: rotate a creature, alter thin walls??
-        - "pick up" a tile
-
-        cool stuff
-        - set chip count by hand, set extra ones automatically
-        -->
     </main>
 </body>
 </html>
diff --git a/js/main.js b/js/main.js
index 4251ed5..c29f651 100644
--- a/js/main.js
+++ b/js/main.js
@@ -1331,6 +1331,8 @@ class Player extends PrimaryView {
         this.root.classList.remove('--replay-playback');
         this.root.classList.remove('--replay-recording');
         this.root.classList.remove('--bonus-visible');
+        this.root.classList.toggle('--hide-logic', this.level.stored_level.hide_logic);
+        this.root.classList.toggle('--cc1-boots', this.level.stored_level.use_cc1_boots);
 
         if (this.debug.enabled) {
             this.debug.replay = null;
@@ -2337,6 +2339,16 @@ class Splash extends PrimaryView {
     }
 
     setup() {
+        this.root.querySelector('#splash-fullscreen').addEventListener('click', ev => {
+            let html = document.documentElement;
+            if (document.fullscreenElement || document.webkitFullscreenElement) {
+                (document.exitFullscreen || document.webkitExitFullscreen).call(document);
+            }
+            else {
+                (html.requestFullscreen || html.webkitRequestFullscreen).call(html);
+            }
+        });
+
         // Editor interface
         // (this has to be handled here because we need to examine the editor,
         // which hasn't yet been created in our constructor)
diff --git a/style.css b/style.css
index 196f174..b996152 100644
--- a/style.css
+++ b/style.css
@@ -12,9 +12,9 @@ body {
 
     font-family: Ubuntu, Source Sans Pro, DejaVu Sans, sans-serif;
     line-height: 1.33;
-    background: #080808;
+    background: hsl(225, 5%, 5%);
     background-image: url(background.svg);
-    background-size: 10%;
+    background-size: 12em;
     color: #ececec;
 
     --panel-bg-color: hsl(225, 10%, 15%);
@@ -572,7 +572,7 @@ pre.stack-trace {
 
 @media (max-width: 800px) {
     body > header {
-        padding: 0.25em;
+        padding: 0.125em 0.25em;
     }
     /* All these headings are way too big on phones */
     body > header h1 {
@@ -643,8 +643,9 @@ pre.stack-trace {
     grid-area: header;
     display: grid;
     grid:
-        "image  title"      2fr
-        "image  tagline"    1fr
+        "image  title   fullscreen" 2fr
+        "image  tagline fullscreen" 1fr
+        / min-content 1fr min-content
     ;
     gap: 0 2em;
 
@@ -668,6 +669,16 @@ pre.stack-trace {
     font-style: italic;
     color: #909090;
 }
+#splash-fullscreen {
+    /* FIXME this makes the title SLIGHTLY offcenter bc of grid gap */
+    display: none;
+    grid-area: fullscreen;
+    align-self: center;
+}
+#splash-fullscreen svg {
+    width: 2em;
+    height: auto;
+}
 #splash h2 {
     border-bottom: 1px solid #404040;
     color: #909090;
@@ -1038,13 +1049,16 @@ ol.packtest-summary > li {
     align-self: start;
 }
 #player-controls button,
-#player-actions button svg {
-    font-size: 1.5em;
-}
-#player-controls button {
+#player-actions button {
     padding: 0.5em;
     line-height: 1;
 }
+#player-controls button svg,
+#player-actions button svg {
+    font-size: 1.5em;
+    display: block;
+    margin: 0.125em auto;
+}
 #player-controls .radio-faux-button-set {
     margin: 0;
 }
@@ -1052,13 +1066,6 @@ ol.packtest-summary > li {
     grid-area: actions;
     align-self: end;
 }
-#player-actions button {
-    text-align: center;
-}
-#player-actions button svg {
-    display: block;
-    margin: 0.125em auto;
-}
 #player-music {
     grid-area: music;
     margin: 0 calc(var(--tile-width) * var(--scale) / 4);
@@ -1099,10 +1106,13 @@ ol.packtest-summary > li {
         flex-direction: row;
         white-space: nowrap;
     }
-    #player-controls button,
+    #player-controls button svg,
     #player-actions button svg {
         font-size: 1em;
     }
+    #player-controls .-optional-label {
+        display: none;
+    }
     #player-controls button {
         padding: 0.25em 0.5em;
         line-height: 1.33;
@@ -1125,12 +1135,12 @@ ol.packtest-summary > li {
     }
 }
 @media (orientation: portrait) and (max-width: 800px) {
-    /* On a /small/ portrait screen, also put the controls in two rows */
+    /* On a /small/ portrait screen, put the controls on their own bottom row */
     #player-main {
         grid:
             "buttons"
-            "actions"
             "game"
+            "actions"
             "music"
         ;
     }
@@ -1138,12 +1148,19 @@ ol.packtest-summary > li {
     #player-actions {
         justify-content: center;
     }
+    #player-controls button,
+    #player-actions button {
+        flex: auto;
+    }
     #player .keyhint {
         /* Hide key hints; there's nowhere to put them and they take up surprisingly a lot of space */
         display: none;
     }
 }
 @media (max-width: 800px) {
+    #splash-fullscreen {
+        display: revert;
+    }
     #player-music {
         font-size: 0.875em;
     }
@@ -1162,7 +1179,7 @@ ol.packtest-summary > li {
         "level      chips"      min-content
         "level      time"       min-content
         "level      bonus"      min-content
-        "level      hint"       1fr
+        "level      rules"      1fr
         "level      inventory"  min-content
         /* Need explicit min-content to force the hint to wrap */
         / min-content min-content
@@ -1381,25 +1398,51 @@ dl.score-chart .-star {
 }
 #player .bonus {
     visibility: hidden;
-    display: none;
+    display: flex;
 }
 #player.--bonus-visible .bonus {
     visibility: initial;
-    display: flex;
+}
+.player-rules {
+    font-size: calc(var(--tile-height) * var(--scale) / 4);
+    grid-area: rules;
+    align-self: end;
+    color: hsl(225, 20%, 80%);
+}
+.player-rules p {
+    display: none;
+    margin: 0.25em 0;
+}
+#player.--hide-logic .player-rules #player-rule-logic-hidden {
+    display: revert;
+}
+#player.--cc1-boots .player-rules #player-rule-cc1-boots {
+    display: revert;
 }
 
 /* This has a wrapper because scrollables don't work too well as the direct child of a grid or flex
  * parent; they really want to expand to their natural size, and I do not want that */
 #player-game-area > .player-hint-wrapper {
-    grid-area: hint;
+    grid-area: rules;
     align-self: stretch;
 
     display: none;
-    font-size: calc(var(--tile-height) * var(--scale) / 3);
+    position: relative;
+    overflow: hidden;
+    font-size: calc(var(--tile-height) * var(--scale) / 4);
     font-family: serif;
-    color: hsl(45, 100%, 60%);
-    background: #080808;
-    border: 2px inset #202020;
+    color: hsl(225, 20%, 80%);
+    background: url(#svg-icon-hint) hsl(225, 10%, 10%);
+    border: 3px double hsl(225, 10%, 20%);
+}
+#player-game-area > .player-hint-wrapper > .player-hint-bg-icon {
+    position: absolute;
+    width: 8em;
+    height: auto;
+    bottom: -2em;
+    right: -2em;
+    opacity: 0.05;
+    transform: rotate(-30deg);
 }
 #player-game-area > .player-hint-wrapper > .player-hint {
     overflow: auto;
@@ -1410,7 +1453,8 @@ dl.score-chart .-star {
     min-height: 100%;
     width: 0;
     min-width: 100%;
-    padding: 0.25em 0.5em;
+    padding: 0.5em 0.625em;
+    line-height: 1.5;
 }
 #player-game-area > .player-hint-wrapper.--visible {
     display: initial;
@@ -1453,12 +1497,13 @@ dl.score-chart .-star {
     #player-game-area {
         /* Rearrange the grid to be vertical */
         grid:
-            "level      level"
-            "inventory  chips" calc((var(--tile-height) * var(--scale) * 2 - 1em) / 3)
-            "inventory  time" calc((var(--tile-height) * var(--scale) * 2 - 1em) / 3)
-            "inventory  bonus" calc((var(--tile-height) * var(--scale) * 2 - 1em) / 3)
-            / min-content 1fr
+            "level      level   level"
+            "inventory  rules   chips" calc((var(--tile-height) * var(--scale) * (2 - 1/6)) / 3)
+            "inventory  rules   time" calc((var(--tile-height) * var(--scale) * (2 - 1/6)) / 3)
+            "inventory  rules   bonus" calc((var(--tile-height) * var(--scale) * (2 - 1/6)) / 3)
+            / min-content min-content 1fr
         ;
+        row-gap: calc(var(--tile-height) * var(--scale) / 6);
     }
     #player .inventory {
         /* stick me in the center right */
@@ -1471,6 +1516,17 @@ dl.score-chart .-star {
         z-index: 1;
         font-size: calc(var(--tile-height) * var(--scale) / 2.5);
     }
+    #player-game-area > .player-hint-wrapper > .player-hint {
+        padding: 0.25em 0.33em;
+        line-height: 1.33;
+    }
+    .player-rules {
+        align-self: center;
+    }
+    .player-rules p span {
+        /* There's only room for the icons, since there's no dedicated hint space */
+        display: none;
+    }
 }
 
 /* Debug stuff */