diff --git a/javaAPI/fr/iut_fbleau/HexGame/HexBoard.java b/javaAPI/fr/iut_fbleau/HexGame/HexBoard.java
new file mode 100644
index 0000000..9dfd892
--- /dev/null
+++ b/javaAPI/fr/iut_fbleau/HexGame/HexBoard.java
@@ -0,0 +1,187 @@
+package fr.iut_fbleau.HexGame;
+
+import fr.iut_fbleau.GameAPI.*;
+import java.util.*;
+
+/**
+ * Plateau du jeu de Hex.
+ *
+ * Joueur 1 relie la gauche et la droite.
+ * Joueur 2 relie le haut et le bas.
+ */
+public class HexBoard extends AbstractBoard {
+
+    private final int size;
+    private Player[][] cells;
+    private Deque<AbstractPly> historyLocal;
+
+    private static final int[][] NEIGHBORS = {
+        {-1,  0}, {+1,  0},
+        { 0, -1}, { 0, +1},
+        {-1, +1}, {+1, -1}
+    };
+
+    public HexBoard(int size) {
+        super();
+        this.size = size;
+        this.cells = new Player[size][size];
+        this.historyLocal = new ArrayDeque<>();
+        this.currentPlayer = Player.PLAYER1;
+    }
+
+    private boolean inBounds(int r, int c) {
+        return r >= 0 && r < size && c >= 0 && c < size;
+    }
+
+    private Player getCell(int r, int c) {
+        return cells[r][c];
+    }
+
+    private void setCell(int r, int c, Player p) {
+        cells[r][c] = p;
+    }
+
+    private boolean hasPlayer1Won() {
+        boolean[][] visited = new boolean[size][size];
+        Deque<int[]> stack = new ArrayDeque<>();
+        for (int r = 0; r < size; r++) {
+            if (getCell(r, 0) == Player.PLAYER1) {
+                visited[r][0] = true;
+                stack.push(new int[]{r, 0});
+            }
+        }
+        while (!stack.isEmpty()) {
+            int[] cur = stack.pop();
+            int cr = cur[0];
+            int cc = cur[1];
+            if (cc == size - 1) return true;
+            for (int[] d : NEIGHBORS) {
+                int nr = cr + d[0], nc = cc + d[1];
+                if (inBounds(nr, nc) && !visited[nr][nc] && getCell(nr, nc) == Player.PLAYER1) {
+                    visited[nr][nc] = true;
+                    stack.push(new int[]{nr, nc});
+                }
+            }
+        }
+        return false;
+    }
+
+    private boolean hasPlayer2Won() {
+        boolean[][] visited = new boolean[size][size];
+        Deque<int[]> stack = new ArrayDeque<>();
+        for (int c = 0; c < size; c++) {
+            if (getCell(0, c) == Player.PLAYER2) {
+                visited[0][c] = true;
+                stack.push(new int[]{0, c});
+            }
+        }
+        while (!stack.isEmpty()) {
+            int[] cur = stack.pop();
+            int cr = cur[0];
+            int cc = cur[1];
+            if (cr == size - 1) return true;
+            for (int[] d : NEIGHBORS) {
+                int nr = cr + d[0], nc = cc + d[1];
+                if (inBounds(nr, nc) && !visited[nr][nc] && getCell(nr, nc) == Player.PLAYER2) {
+                    visited[nr][nc] = true;
+                    stack.push(new int[]{nr, nc});
+                }
+            }
+        }
+        return false;
+    }
+
+    @Override
+    public boolean isLegal(AbstractPly move) {
+        if (!(move instanceof HexPly)) return false;
+        HexPly hp = (HexPly) move;
+        int r = hp.getRow(), c = hp.getCol();
+        return inBounds(r, c)
+                && getCell(r, c) == null
+                && hp.getPlayer() == this.getCurrentPlayer();
+    }
+
+    @Override
+    public void doPly(AbstractPly move) {
+        if (!(move instanceof HexPly))
+            throw new IllegalArgumentException("Coup invalide: " + move);
+        HexPly hp = (HexPly) move;
+        if (!isLegal(hp))
+            throw new IllegalStateException("Coup illégal: " + hp);
+        setCell(hp.getRow(), hp.getCol(), hp.getPlayer());
+        historyLocal.push(hp);
+        setNextPlayer();
+    }
+
+    @Override
+    public boolean isGameOver() {
+        return hasPlayer1Won() || hasPlayer2Won();
+    }
+
+    @Override
+    public Result getResult() {
+        if (hasPlayer1Won()) return Result.WIN;
+        if (hasPlayer2Won()) return Result.LOSS;
+        return Result.DRAW;
+    }
+
+    @Override
+    public Iterator<AbstractPly> getPlies() {
+        Player me = this.getCurrentPlayer();
+        List<AbstractPly> moves = new ArrayList<>();
+        for (int r = 0; r < size; r++) {
+            for (int c = 0; c < size; c++) {
+                if (getCell(r, c) == null) moves.add(new HexPly(me, r, c));
+            }
+        }
+        return moves.iterator();
+    }
+
+    @Override
+    public Iterator<AbstractPly> getHistory() {
+        return historyLocal.iterator();
+    }
+
+    @Override
+    public void undoLastPly() {
+        if (historyLocal.isEmpty()) return;
+        HexPly last = (HexPly) historyLocal.pop();
+        setCell(last.getRow(), last.getCol(), null);
+        this.currentPlayer = last.getPlayer();
+    }
+
+    @Override
+    public IBoard safeCopy() {
+        HexBoard copy = new HexBoard(this.size);
+        copy.currentPlayer = this.currentPlayer;
+        for (int r = 0; r < size; r++) {
+            for (int c = 0; c < size; c++) {
+                copy.cells[r][c] = this.cells[r][c];
+            }
+        }
+        copy.historyLocal = new ArrayDeque<>(this.historyLocal);
+        return copy;
+    }
+
+    @Override
+    public String toString() {
+        StringBuilder sb = new StringBuilder();
+        for (int r = 0; r < size; r++) {
+            for (int k = 0; k < r; k++) sb.append(" ");
+            for (int c = 0; c < size; c++) {
+                Player p = getCell(r, c);
+                char ch = '.';
+                if (p == Player.PLAYER1) ch = '1';
+                else if (p == Player.PLAYER2) ch = '2';
+                sb.append(ch).append(" ");
+            }
+            sb.append("\n");
+        }
+        sb.append("Current player: ").append(getCurrentPlayer()).append("\n");
+        return sb.toString();
+    }
+
+    public int getSize() {
+        return size;
+    }
+}
diff --git a/javaAPI/fr/iut_fbleau/HexGame/HexPly.java b/javaAPI/fr/iut_fbleau/HexGame/HexPly.java
new file mode 100644
index 0000000..7595015
--- /dev/null
+++ b/javaAPI/fr/iut_fbleau/HexGame/HexPly.java
@@ -0,0 +1,31 @@
+package fr.iut_fbleau.HexGame;
+
+import fr.iut_fbleau.GameAPI.*;
+
+/**
+ * Représente un coup dans le jeu de Hex.
+ */
+public class HexPly extends AbstractPly {
+
+    private final int row;
+    private final int col;
+
+    public HexPly(Player j, int row, int col) {
+        super(j);
+        this.row = row;
+        this.col = col;
+    }
+
+    public int getRow() {
+        return this.row;
+    }
+
+    public int getCol() {
+        return this.col;
+    }
+
+    @Override
+    public String toString() {
+        return "HexPly{player=" + getPlayer() + ", row=" + row + ", col=" + col + "}";
+    }
+}