Merge pull request google-deepmind#984 from rezunli96:crazy_eights

PiperOrigin-RevId: 507779143 Change-Id: I0e4375ca80b41d0d31ff24bdd7a00735caf42870
willmcgowan · Feb 20, 2023 · e0c3e9a · e0c3e9a
2 parents 7b0f153 + 161805e
commit e0c3e9a
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diff --git a/docs/games.md b/docs/games.md
@@ -28,6 +28,7 @@ Status                                       | Game
 ![](_static/green_circ10.png "green circle") | [Connect Four](#connect-four)
 <font color="orange"><b>~</b></font>         | [Cooperative Box-Pushing](#cooperative-box-pushing)
 ![](_static/green_circ10.png "green circle") | [Chess](#chess)
+<font color="orange"><b>~</b></font>         | [Crazy Eights](#crazy-eights)
 <font color="orange"><b>~</b></font>         | [Dark Hex](#dark-hex)
 <font color="orange"><b>~</b></font>         | [Deep Sea](#deep-sea)
 <font color="orange"><b>~</b></font>         | [Dou Dizhu](#dou-dizhu)
@@ -292,6 +293,18 @@ Status                                       | Game
 *   2 players.
 *   [Wikipedia](https://en.wikipedia.org/wiki/Chess)
 
+### Crazy Eights
+
+*   A precursor of UNO (see [here](https://www.unorules.org/crazy-eights/)).
+*   Players try to match the rank or suit of the previous played card.
+*   Eights are viewed as wild cards.
+*   In an alternative version, special cards such as skip, reverse, draw-two are
+    permitted.
+*   Nondeterministic.
+*   Imperfect information.
+*   >=2 players.
+*   [Wikipedia](https://en.wikipedia.org/wiki/Crazy_Eights)
+
 ### Dark Hex
 
 *   Hex, except the opponent's tokens are hidden. (Imperfect-information
@@ -321,7 +334,7 @@ Status                                       | Game
 *   Non-deterministic.
 *   Imperfect information.
 *   Three players.
-*   [Wikipeda](https://en.wikipedia.org/wiki/Dou_dizhu)
+*   [Wikipedia](https://en.wikipedia.org/wiki/Dou_dizhu)
 
 ### Euchre
 

diff --git a/open_spiel/games/CMakeLists.txt b/open_spiel/games/CMakeLists.txt
@@ -48,6 +48,8 @@ set(GAME_SOURCES
   coop_box_pushing.h
   coordinated_mp.cc
   coordinated_mp.h
+  crazy_eights.cc
+  crazy_eights.h
   cursor_go.cc
   cursor_go.h
   dark_chess.cc
@@ -352,6 +354,10 @@ add_executable(coordinated_mp_test coordinated_mp_test.cc ${OPEN_SPIEL_OBJECTS}
         $<TARGET_OBJECTS:algorithms>)
 add_test(coordinated_mp_test coordinated_mp_test)
 
+add_executable(crazy_eights_test crazy_eights_test.cc ${OPEN_SPIEL_OBJECTS}
+               $<TARGET_OBJECTS:tests>)
+add_test(crazy_eights_test crazy_eights_test)
+
 add_executable(crowd_modelling_test mfg/crowd_modelling_test.cc ${OPEN_SPIEL_OBJECTS}
                $<TARGET_OBJECTS:tests>)
 add_test(crowd_modelling_test crowd_modelling_test)