diff --git a/src/core/execution/WinCheckExecution.ts b/src/core/execution/WinCheckExecution.ts
index 8ea4a001ab..3ae2b40664 100644
--- a/src/core/execution/WinCheckExecution.ts
+++ b/src/core/execution/WinCheckExecution.ts
@@ -68,6 +68,11 @@ export class WinCheckExecution implements Execution {
       (this.mg.ticks() - this.mg.config().numSpawnPhaseTurns()) / 10;
     const numTilesWithoutFallout =
       this.mg.numLandTiles() - this.mg.numTilesWithFallout();
+
+    if (numTilesWithoutFallout === 0) {
+      return;
+    }
+
     if (
       (max.numTilesOwned() / numTilesWithoutFallout) * 100 >
         this.mg.config().percentageTilesOwnedToWin() ||
@@ -104,9 +109,14 @@ export class WinCheckExecution implements Execution {
       (this.mg.ticks() - this.mg.config().numSpawnPhaseTurns()) / 10;
     const numTilesWithoutFallout =
       this.mg.numLandTiles() - this.mg.numTilesWithFallout();
-    const percentage = (max[1] / numTilesWithoutFallout) * 100;
+
+    if (numTilesWithoutFallout === 0) {
+      return;
+    }
+
     if (
-      percentage > this.mg.config().percentageTilesOwnedToWin() ||
+      (max[1] / numTilesWithoutFallout) * 100 >
+        this.mg.config().percentageTilesOwnedToWin() ||
       (this.mg.config().gameConfig().maxTimerValue !== undefined &&
         timeElapsed - this.mg.config().gameConfig().maxTimerValue! * 60 >= 0) ||
       timeElapsed >= WinCheckExecution.HARD_TIME_LIMIT_SECONDS
diff --git a/tests/core/executions/WinCheckExecution.test.ts b/tests/core/executions/WinCheckExecution.test.ts
index 6b5b07d09e..dfe0b8abe8 100644
--- a/tests/core/executions/WinCheckExecution.test.ts
+++ b/tests/core/executions/WinCheckExecution.test.ts
@@ -87,6 +87,53 @@ describe("WinCheckExecution", () => {
   it("should return false for activeDuringSpawnPhase", () => {
     expect(winCheck.activeDuringSpawnPhase()).toBe(false);
   });
+
+  it("should not set winner via tile percentage when all land tiles have fallout (FFA)", () => {
+    const player = {
+      numTilesOwned: vi.fn(() => 100),
+      name: vi.fn(() => "P1"),
+    };
+    mg.players = vi.fn(() => [player]);
+    mg.numLandTiles = vi.fn(() => 100);
+    mg.numTilesWithFallout = vi.fn(() => 100);
+    mg.config = vi.fn(() => ({
+      gameConfig: vi.fn(() => ({
+        gameMode: GameMode.FFA,
+        maxTimerValue: undefined,
+      })),
+      percentageTilesOwnedToWin: vi.fn(() => 80),
+      numSpawnPhaseTurns: vi.fn(() => 0),
+    }));
+    mg.ticks = vi.fn(() => 0);
+    mg.stats = vi.fn(() => ({ stats: () => ({}) }));
+    winCheck.init(mg, 0);
+    winCheck.checkWinnerFFA();
+    expect(mg.setWinner).not.toHaveBeenCalled();
+  });
+
+  it("should not set winner via tile percentage when all land tiles have fallout (Team)", () => {
+    const player = {
+      numTilesOwned: vi.fn(() => 100),
+      name: vi.fn(() => "P1"),
+      team: vi.fn(() => "Red"),
+    };
+    mg.players = vi.fn(() => [player]);
+    mg.numLandTiles = vi.fn(() => 100);
+    mg.numTilesWithFallout = vi.fn(() => 100);
+    mg.config = vi.fn(() => ({
+      gameConfig: vi.fn(() => ({
+        gameMode: GameMode.Team,
+        maxTimerValue: undefined,
+      })),
+      percentageTilesOwnedToWin: vi.fn(() => 80),
+      numSpawnPhaseTurns: vi.fn(() => 0),
+    }));
+    mg.ticks = vi.fn(() => 0);
+    mg.stats = vi.fn(() => ({ stats: () => ({}) }));
+    winCheck.init(mg, 0);
+    winCheck.checkWinnerTeam();
+    expect(mg.setWinner).not.toHaveBeenCalled();
+  });
 });
 
 describe("WinCheckExecution - Nation Winners", () => {