diff --git a/codenames/duet/score.py b/codenames/duet/score.py
index bf923ff..909c35b 100644
--- a/codenames/duet/score.py
+++ b/codenames/duet/score.py
@@ -1,6 +1,8 @@
 from __future__ import annotations
 
-from pydantic import BaseModel, ConfigDict
+from enum import Enum
+
+from pydantic import BaseModel
 
 from codenames.generic.state import TeamScore
 
@@ -21,14 +23,13 @@ def target_reached(self) -> bool:
         return self.main.revealed == self.main.total
 
 
-class GameResult(BaseModel):
-    model_config = ConfigDict(frozen=True)
-    win: bool
-    reason: str
-
+class GameResult(Enum):
+    def __init__(self, win: bool, reason: str):
+        self.win = win
+        self.reason = reason
 
-TARGET_REACHED = GameResult(win=True, reason="Target score reached")
-ASSASSIN_HIT = GameResult(win=False, reason="Assassin card was hit")
-GAME_QUIT = GameResult(win=False, reason="Team quit the game")
-TIMER_TOKENS_DEPLETED = GameResult(win=False, reason="Timer tokens depleted")
-MISTAKE_LIMIT_REACHED = GameResult(win=False, reason="Mistake limit reached")
+    TARGET_REACHED = (True, "Target score reached")
+    ASSASSIN_HIT = (False, "Assassin card was hit")
+    GAME_QUIT = (False, "The game was quit")
+    TIMER_TOKENS_DEPLETED = (False, "Timer tokens depleted")
+    MISTAKE_LIMIT_REACHED = (False, "Mistake limit reached")
diff --git a/codenames/duet/state.py b/codenames/duet/state.py
index 70fc576..06939ce 100644
--- a/codenames/duet/state.py
+++ b/codenames/duet/state.py
@@ -8,15 +8,7 @@
 
 from codenames.duet.board import DuetBoard
 from codenames.duet.card import DuetColor
-from codenames.duet.score import (
-    ASSASSIN_HIT,
-    GAME_QUIT,
-    MISTAKE_LIMIT_REACHED,
-    TARGET_REACHED,
-    TIMER_TOKENS_DEPLETED,
-    GameResult,
-    Score,
-)
+from codenames.duet.score import GameResult, Score
 from codenames.duet.team import DuetTeam
 from codenames.duet.types import DuetCard, DuetGivenClue, DuetGivenGuess
 from codenames.generic.board import WordGroup
@@ -103,6 +95,13 @@ def spymaster_state(self) -> DuetSpymasterState:
     def operative_state(self) -> DuetOperativeState:
         return self.get_operative_state(None)
 
+    @field_validator("game_result", mode="before")
+    @classmethod
+    def parse_game_result(cls, v: Any) -> GameResult | None:
+        if v is None:
+            return None
+        return GameResult(*v)
+
     def process_clue(self, clue: Clue) -> DuetGivenClue | None:
         if self.is_game_over:
             raise GameIsOver()
@@ -197,18 +196,18 @@ def _end_turn(self):
         self.current_player_role = self.current_player_role.other
 
     def _quit(self):
-        self.game_result = GAME_QUIT
+        self.game_result = GameResult.GAME_QUIT
         self._end_turn()
 
     def _update_score(self, card_color: DuetColor):
         if card_color == DuetColor.NEUTRAL:
             return
         if card_color == DuetColor.ASSASSIN:
-            self.game_result = ASSASSIN_HIT
+            self.game_result = GameResult.ASSASSIN_HIT
             return
         game_ended = self.score.add_point()
         if game_ended:
-            self.game_result = TARGET_REACHED
+            self.game_result = GameResult.TARGET_REACHED
 
 
 class DuetSide(StrEnum):
@@ -244,9 +243,9 @@ def from_boards(cls, board_a: DuetBoard, board_b: DuetBoard) -> DuetGameState:
     def game_result(self) -> GameResult | None:
         # If the timer runs out, the game is lost
         if self.timer_tokens < 0:
-            return TIMER_TOKENS_DEPLETED
+            return GameResult.TIMER_TOKENS_DEPLETED
         if self.allowed_mistakes == 0:
-            return MISTAKE_LIMIT_REACHED
+            return GameResult.MISTAKE_LIMIT_REACHED
         result_a, result_b = self.side_a.game_result, self.side_b.game_result
         # If no side has a result, the game is still ongoing
         if not result_a and not result_b:
@@ -261,7 +260,7 @@ def game_result(self) -> GameResult | None:
             return None
         # Otherwise, both sides, finished, no one lost, means the game is won
         assert result_a.win and result_b.win
-        return TARGET_REACHED
+        return GameResult.TARGET_REACHED
 
     @property
     def is_sudden_death(self) -> bool:
diff --git a/codenames/mini/state.py b/codenames/mini/state.py
index edea1c0..4007541 100644
--- a/codenames/mini/state.py
+++ b/codenames/mini/state.py
@@ -1,6 +1,6 @@
 import logging
 
-from codenames.duet.score import MISTAKE_LIMIT_REACHED, TIMER_TOKENS_DEPLETED
+from codenames.duet.score import GameResult
 from codenames.duet.state import DuetSideState
 from codenames.duet.types import DuetGivenGuess
 from codenames.generic.move import Guess
@@ -35,12 +35,12 @@ def _update_tokens(self, mistake: bool) -> None:
             log.info("Timer tokens depleted! Entering sudden death")
             self.current_player_role = PlayerRole.OPERATIVE
         elif self.timer_tokens < 0:
-            self.game_result = TIMER_TOKENS_DEPLETED
+            self.game_result = GameResult.TIMER_TOKENS_DEPLETED
             log.info("Timer tokens depleted (after sudden death)!")
         if not mistake:
             return
         self.allowed_mistakes -= 1
         if self.allowed_mistakes == 0:
             log.info("Mistake limit reached!")
-            self.game_result = MISTAKE_LIMIT_REACHED
+            self.game_result = GameResult.MISTAKE_LIMIT_REACHED
             return
diff --git a/pyproject.toml b/pyproject.toml
index 54d8082..bd98a28 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -76,6 +76,7 @@ minor_tags = [
     "🔥",
     "🐲",
     "🎡",
+    "🏞️",
 ]
 patch_tags = [
     "📝",
diff --git a/tests/duet/test_game_runner.py b/tests/duet/test_game_runner.py
index 09ee3a0..1bda8cb 100644
--- a/tests/duet/test_game_runner.py
+++ b/tests/duet/test_game_runner.py
@@ -5,11 +5,7 @@
 
 from codenames.duet.board import DuetBoard
 from codenames.duet.runner import DuetGameRunner
-from codenames.duet.score import (
-    MISTAKE_LIMIT_REACHED,
-    TARGET_REACHED,
-    TIMER_TOKENS_DEPLETED,
-)
+from codenames.duet.score import GameResult
 from codenames.duet.state import (
     DuetGameState,
     DuetOperativeState,
@@ -102,7 +98,7 @@ def test_tokens_run_out_game(board_10_state: DuetGameState):
     runner = DuetGameRunner(players=players, state=board_10_state)
     runner.run_game()
 
-    assert runner.state.game_result == TIMER_TOKENS_DEPLETED
+    assert runner.state.game_result == GameResult.TIMER_TOKENS_DEPLETED
 
 
 def test_mistakes_run_out_game(board_10_state: DuetGameState):
@@ -121,7 +117,7 @@ def test_mistakes_run_out_game(board_10_state: DuetGameState):
     runner = DuetGameRunner(players=players, state=board_10_state)
     runner.run_game()
 
-    assert runner.state.game_result == MISTAKE_LIMIT_REACHED
+    assert runner.state.game_result == GameResult.MISTAKE_LIMIT_REACHED
 
 
 def test_sudden_death(board_10_state: DuetGameState):
@@ -144,6 +140,6 @@ def test_sudden_death(board_10_state: DuetGameState):
     runner = DuetGameRunner(players=players, state=board_10_state)
     runner.run_game()
 
-    assert runner.state.game_result == TARGET_REACHED
+    assert runner.state.game_result == GameResult.TARGET_REACHED
     assert runner.state.timer_tokens == 0
     assert runner.state.is_sudden_death
diff --git a/tests/duet/test_game_state.py b/tests/duet/test_game_state.py
index 126d93a..884a358 100644
--- a/tests/duet/test_game_state.py
+++ b/tests/duet/test_game_state.py
@@ -3,7 +3,7 @@
 import pytest
 
 from codenames.duet.board import DuetBoard
-from codenames.duet.score import TARGET_REACHED
+from codenames.duet.score import GameResult
 from codenames.duet.state import DuetGameState, DuetSide
 from codenames.generic.exceptions import InvalidGuess
 from codenames.generic.move import PASS_GUESS, Clue, Guess
@@ -111,7 +111,7 @@ def test_game_state_flow(board_10: DuetBoard, board_10_dual: DuetBoard):
     assert game_state.current_side_state.score.main.revealed == 2
     assert game_state.timer_tokens == 6
     assert game_state.side_a.is_game_over
-    assert game_state.side_a.game_result == TARGET_REACHED
+    assert game_state.side_a.game_result == GameResult.TARGET_REACHED
     assert not game_state.side_b.is_game_over
     assert game_state.side_b.game_result is None
     assert not game_state.is_game_over
@@ -136,4 +136,4 @@ def test_game_state_flow(board_10: DuetBoard, board_10_dual: DuetBoard):
 
     assert game_state.timer_tokens == 4
     assert game_state.is_game_over
-    assert game_state.game_result == TARGET_REACHED
+    assert game_state.game_result == GameResult.TARGET_REACHED
diff --git a/tests/duet/test_side_state.py b/tests/duet/test_side_state.py
index 044a6c5..e63ea44 100644
--- a/tests/duet/test_side_state.py
+++ b/tests/duet/test_side_state.py
@@ -3,7 +3,7 @@
 import pytest
 
 from codenames.duet.board import DuetBoard
-from codenames.duet.score import ASSASSIN_HIT, GAME_QUIT, TARGET_REACHED
+from codenames.duet.score import GameResult
 from codenames.duet.state import DuetSideState
 from codenames.generic.exceptions import GameIsOver, InvalidGuess, InvalidTurn
 from codenames.generic.move import PASS_GUESS, QUIT_GAME, Clue, Guess
@@ -13,7 +13,7 @@
 
 def test_side_state_json_serialization_and_load(board_10: DuetBoard):
     side_state = DuetSideState.from_board(board=board_10)
-    side_state.process_clue(clue=Clue(word="A", card_amount=2))
+    side_state.process_clue(clue=Clue(word="A", card_amount=3))
     side_state.process_guess(guess=Guess(card_index=0))
     side_state.process_guess(guess=Guess(card_index=1))
 
@@ -21,7 +21,14 @@ def test_side_state_json_serialization_and_load(board_10: DuetBoard):
     side_state_dict = json.loads(side_state_json)
     side_state_from_json = DuetSideState.model_validate(side_state_dict)
     assert side_state_from_json == side_state
-    assert side_state_dict == side_state.model_dump()
+    assert side_state_dict == side_state.model_dump(mode="json")
+
+    side_state.process_guess(guess=Guess(card_index=QUIT_GAME))
+    side_state_json = side_state.model_dump_json()
+    side_state_dict = json.loads(side_state_json)
+    side_state_from_json = DuetSideState.model_validate(side_state_dict)
+    assert side_state_from_json == side_state
+    assert side_state_dict == side_state.model_dump(mode="json")
 
 
 def test_side_state_win_flow(board_10: DuetBoard):
@@ -79,7 +86,7 @@ def test_side_state_win_flow(board_10: DuetBoard):
     side_state.process_guess(guess=Guess(card_index=3))  # Green - Correct, win
     assert side_state.score.main.revealed == 4
     assert len(get_side_moves(side_state)) == 9
-    assert side_state.game_result == TARGET_REACHED
+    assert side_state.game_result == GameResult.TARGET_REACHED
 
 
 def test_side_state_assassin_flow(board_10: DuetBoard):
@@ -122,7 +129,7 @@ def test_side_state_assassin_flow(board_10: DuetBoard):
     assert side_state.score.main.revealed == 3
     assert len(get_side_moves(side_state)) == 7
     assert side_state.is_game_over
-    assert side_state.game_result == ASSASSIN_HIT
+    assert side_state.game_result == GameResult.ASSASSIN_HIT
 
     with pytest.raises(GameIsOver):
         side_state.process_clue(clue=Clue(word="Clue 3", card_amount=1))
@@ -144,7 +151,7 @@ def test_side_state_spymaster_quit(board_10: DuetBoard):
     # Round 2
     side_state.process_clue(clue=Clue(word="Clue 2", card_amount=QUIT_GAME))
     assert side_state.is_game_over
-    assert side_state.game_result == GAME_QUIT
+    assert side_state.game_result == GameResult.GAME_QUIT
 
 
 def test_side_state_operator_quit(board_10: DuetBoard):
@@ -157,4 +164,4 @@ def test_side_state_operator_quit(board_10: DuetBoard):
     assert not side_state.is_game_over
     side_state.process_guess(guess=Guess(card_index=QUIT_GAME))
     assert side_state.is_game_over
-    assert side_state.game_result == GAME_QUIT
+    assert side_state.game_result == GameResult.GAME_QUIT
diff --git a/tests/mini/test_game_runner.py b/tests/mini/test_game_runner.py
index 759c075..dc2e5dc 100644
--- a/tests/mini/test_game_runner.py
+++ b/tests/mini/test_game_runner.py
@@ -1,9 +1,5 @@
 from codenames.duet.board import DuetBoard
-from codenames.duet.score import (
-    MISTAKE_LIMIT_REACHED,
-    TARGET_REACHED,
-    TIMER_TOKENS_DEPLETED,
-)
+from codenames.duet.score import GameResult
 from codenames.duet.state import DuetSide
 from codenames.generic.move import PASS_GUESS, Clue
 from codenames.mini.runner import MiniGameRunner
@@ -25,7 +21,7 @@ def test_happy_flow(board_10: DuetBoard):
     runner = MiniGameRunner(players=players.team_a, state=state)
     runner.run_game()
 
-    assert runner.state.game_result == TARGET_REACHED
+    assert runner.state.game_result == GameResult.TARGET_REACHED
     assert runner.state.timer_tokens == 2
     assert runner.state.allowed_mistakes == 3
     assert len(runner.state.given_clues) == 3
@@ -46,7 +42,7 @@ def test_timer_token_depleted(board_10: DuetBoard):
     runner = MiniGameRunner(players=players.team_a, state=state)
     runner.run_game()
 
-    assert runner.state.game_result == TIMER_TOKENS_DEPLETED
+    assert runner.state.game_result == GameResult.TIMER_TOKENS_DEPLETED
     assert runner.state.timer_tokens == -1
     assert runner.state.allowed_mistakes == 2
     assert len(runner.state.given_clues) == 2
@@ -67,7 +63,7 @@ def test_mistake_limit_reached(board_10: DuetBoard):
     runner = MiniGameRunner(players=players.team_a, state=state)
     runner.run_game()
 
-    assert runner.state.game_result == MISTAKE_LIMIT_REACHED
+    assert runner.state.game_result == GameResult.MISTAKE_LIMIT_REACHED
     assert runner.state.timer_tokens == 2
     assert runner.state.allowed_mistakes == 0
     assert len(runner.state.given_clues) == 3