diff --git a/movement/watch_faces/complication/higher_lower_game_face.c b/movement/watch_faces/complication/higher_lower_game_face.c
index 1edcaa026..aed6eeef2 100755
--- a/movement/watch_faces/complication/higher_lower_game_face.c
+++ b/movement/watch_faces/complication/higher_lower_game_face.c
@@ -22,15 +22,6 @@
  * SOFTWARE.
  */
 
-// TODO: Win animation?
-// TODO: Save highscore?
-// TODO: Add sounds?
-//       Add sound option
-// TODO: Flip board direction?
-
-// Future Ideas:
-// - Use lap indicator for larger score improvement?
-
 // Emulator only: need time() to seed the random number generator.
 #if __EMSCRIPTEN__
 #include <time.h>
@@ -43,7 +34,7 @@
 
 #define TITLE_TEXT "Hi-Lo"
 #define GAME_BOARD_SIZE 6
-#define MAX_BOARDS 3 //40
+#define MAX_BOARDS 40
 #define GUESSES_PER_SCREEN 5
 #define WIN_SCORE MAX_BOARDS * GUESSES_PER_SCREEN
 #define STATUS_DISPLAY_START 0
@@ -104,8 +95,7 @@ static void reset_board(bool first_round) {
     // Fill remainder of board
     for (size_t i = 1; i < GAME_BOARD_SIZE; ++i) {
         game_board[i] = (card_t) {
-                //.value = generate_random_number(MAX_CARD_VALUE - MIN_CARD_VALUE + 1) + MIN_CARD_VALUE,
-                .value = i + MIN_CARD_VALUE,
+                .value = generate_random_number(MAX_CARD_VALUE - MIN_CARD_VALUE + 1) + MIN_CARD_VALUE,
                 .revealed = false
         };
     }
@@ -129,7 +119,7 @@ static void set_segment_at_position(segment_t segment, uint8_t position) {
 }
 
 static void render_board_position(size_t board_position) {
-    size_t display_position = FLIP_BOARD_DIRECTION
+    const size_t display_position = FLIP_BOARD_DIRECTION
             ? BOARD_DISPLAY_START + board_position
             : BOARD_DISPLAY_END - board_position;
     const bool revealed = game_board[board_position].revealed;
@@ -371,4 +361,3 @@ void higher_lower_game_face_resign(movement_settings_t *settings, void *context)
 
     // handle any cleanup before your watch face goes off-screen.
 }
-
diff --git a/movement/watch_faces/complication/higher_lower_game_face.h b/movement/watch_faces/complication/higher_lower_game_face.h
index 1cef05dc3..d0936808a 100755
--- a/movement/watch_faces/complication/higher_lower_game_face.h
+++ b/movement/watch_faces/complication/higher_lower_game_face.h
@@ -28,10 +28,59 @@
 #include "movement.h"
 
 /*
- * A DESCRIPTION OF YOUR WATCH FACE
+ * Higher-Lower game face
+ * ======================
  *
- * and a description of how use it
+ * A game face based on the "higher-lower" card game where the objective is to correctly guess if the next card will
+ * be higher or lower than the last revealed cards.
  *
+ * Game Flow:
+ * - When the face is selected, the "Hi-Lo" "Title" screen will be displayed, and the status indicator will display "GA" for game
+ * - Pressing `ALARM` or `LIGHT` will start the game and proceed to the "Guessing" screen
+ *   - The first card will be revealed and the player must now make a guess
+ *   - A player can guess `Higher` by pressing the `LIGHT` button, and `Lower` by pressing the `ALARM` button
+ *   - The status indicator will show the result of the guess: HI (Higher), LO (Lower), or == (Equal)
+ *   - There are five guesses to make on each game screen, once the end of the screen is reached, a new screen
+ *     will be started, with the last revealed card carried over
+ *   - The number of completed screens is displayed in the top right (see Scoring)
+ * - If the player has guessed correctly, the score is updated and play continues (see Scoring)
+ * - If the player has guessed incorrectly, the status will change to GO (Game Over)
+ *   - The current card will be revealed
+ *   - Pressing `ALARM` or `LIGHT` will transition to the "Score" screen
+ * - If the game is won, the status indicator will display "WI" and the "Win" screen will be displayed
+ *   - Pressing `ALARM` or `LIGHT` will transition to the "Score" screen
+ * - The status indicator will change to "SC" when the final score is displayed
+ *   - The number of completed game screens will be displayed on using the first two digits
+ *   - The number of correct guesses will be displayed using the final three digits
+ *   - E.g. "13: 063" represents 13 completed screens, with 63 correct guesses
+ * - Pressing `ALARM` or `LIGHT` while on the "Score" screen will transition to back to the "Title" screen
+ *
+ * Scoring:
+ * - If the player guesses correctly (HI/LO) a point is gained
+ * - If the player guesses incorrectly the game ends
+ *   - Unless the revealed card is equal (==) to the last card, in which case play continues, but no point is gained
+ * - If the player completes 40 screens full of cards, the game ends and a win screen is displayed
+ *
+ * Misc:
+ * The face tries to remain true to the spirit of using "cards"; to cope with the display limitations I've arrived at
+ * the following mapping of card values to screen display, but am open to better suggestions:
+ *
+ * | Cards   |                          |
+ * |---------|--------------------------|
+ * | Value   |2|3|4|5|6|7|8|9|10|J|Q|K|A|
+ * | Display |2|3|4|5|6|7|8|9| 0|-|=|≡|H|
+ *
+ * The following may more legible choice:
+ * | Cards   |                          |
+ * |---------|--------------------------|
+ * | Value   |2|3|4|5|6|7|8|9|10|J|Q|K|A|
+ * | Display |0|1|2|3|4|5|6|7|8 |9|-|=|≡|
+ *
+ * Future Ideas:
+ * - Add sounds
+ * - Save/Display high score
+ * - Add a "Win" animation
+ * - Consider using lap indicator for larger score limit
  */
 
 typedef struct {
@@ -52,4 +101,3 @@ void higher_lower_game_face_resign(movement_settings_t *settings, void *context)
 })
 
 #endif // HIGHER_LOWER_GAME_FACE_H_
-