diff --git a/LeaderboardBackend.Test/Leaderboards.cs b/LeaderboardBackend.Test/Leaderboards.cs
index 44845d9a..2e7c5862 100644
--- a/LeaderboardBackend.Test/Leaderboards.cs
+++ b/LeaderboardBackend.Test/Leaderboards.cs
@@ -342,6 +342,7 @@ public async Task GetLeaderboards()
                 Name = "Link: The Faces of Evil",
                 Slug = "link-faces-of-evil",
                 Info = "Nobody should play this one.",
+                UpdatedAt = _clock.GetCurrentInstant(),
                 DeletedAt = _clock.GetCurrentInstant()
             }
         ];
@@ -350,6 +351,12 @@ public async Task GetLeaderboards()
         await context.SaveChangesAsync();
         LeaderboardViewModel[] returned = await _apiClient.Get<LeaderboardViewModel[]>("/api/leaderboards", new());
         returned.Should().BeEquivalentTo(boards.Take(2), config => config.Excluding(lb => lb.Categories));
+
+        LeaderboardViewModel[] returned2 = await _apiClient.Get<LeaderboardViewModel[]>("/api/leaderboards?includeDeleted=false", new());
+        returned2.Should().BeEquivalentTo(boards.Take(2), config => config.Excluding(lb => lb.Categories));
+
+        LeaderboardViewModel[] returned3 = await _apiClient.Get<LeaderboardViewModel[]>("/api/leaderboards?includeDeleted=true", new());
+        returned3.Should().BeEquivalentTo(boards, config => config.Excluding(lb => lb.Categories));
     }
 
     [Test]
diff --git a/LeaderboardBackend/Controllers/LeaderboardsController.cs b/LeaderboardBackend/Controllers/LeaderboardsController.cs
index f792f509..428b97fe 100644
--- a/LeaderboardBackend/Controllers/LeaderboardsController.cs
+++ b/LeaderboardBackend/Controllers/LeaderboardsController.cs
@@ -51,11 +51,11 @@ public async Task<ActionResult<LeaderboardViewModel>> GetLeaderboardBySlug([From
     [HttpGet("api/leaderboards")]
     [SwaggerOperation("Gets all leaderboards.", OperationId = "listLeaderboards")]
     [SwaggerResponse(200)]
-    public async Task<ActionResult<List<LeaderboardViewModel>>> GetLeaderboards()
+    public async Task<ActionResult<List<LeaderboardViewModel>>> GetLeaderboards([FromQuery] bool includeDeleted = false)
     {
         // TODO: Paginate.
 
-        List<Leaderboard> result = await leaderboardService.ListLeaderboards();
+        List<Leaderboard> result = await leaderboardService.ListLeaderboards(includeDeleted);
         return Ok(result.Select(LeaderboardViewModel.MapFrom));
     }
 
diff --git a/LeaderboardBackend/Services/ILeaderboardService.cs b/LeaderboardBackend/Services/ILeaderboardService.cs
index 2c3371d3..789a48fb 100644
--- a/LeaderboardBackend/Services/ILeaderboardService.cs
+++ b/LeaderboardBackend/Services/ILeaderboardService.cs
@@ -9,7 +9,7 @@ public interface ILeaderboardService
 {
     Task<Leaderboard?> GetLeaderboard(long id);
     Task<Leaderboard?> GetLeaderboardBySlug(string slug);
-    Task<List<Leaderboard>> ListLeaderboards();
+    Task<List<Leaderboard>> ListLeaderboards(bool includeDeleted);
     Task<CreateLeaderboardResult> CreateLeaderboard(CreateLeaderboardRequest request);
     Task<RestoreLeaderboardResult> RestoreLeaderboard(long id);
     Task<DeleteResult> DeleteLeaderboard(long id);
diff --git a/LeaderboardBackend/Services/Impl/LeaderboardService.cs b/LeaderboardBackend/Services/Impl/LeaderboardService.cs
index 35bdc1c8..d34489ee 100644
--- a/LeaderboardBackend/Services/Impl/LeaderboardService.cs
+++ b/LeaderboardBackend/Services/Impl/LeaderboardService.cs
@@ -18,9 +18,11 @@ await applicationContext.Leaderboards
             .FirstOrDefaultAsync(b => b.Slug == slug && b.DeletedAt == null);
 
     // FIXME: Paginate these
-    public async Task<List<Leaderboard>> ListLeaderboards() =>
-        await applicationContext.Leaderboards
-            .Where(lb => lb.DeletedAt == null).ToListAsync();
+    public async Task<List<Leaderboard>> ListLeaderboards(bool includeDeleted)
+    {
+        IQueryable<Leaderboard> lbs = applicationContext.Leaderboards;
+        return await (includeDeleted ? lbs : lbs.Where(lb => lb.DeletedAt == null)).ToListAsync();
+    }
 
     public async Task<CreateLeaderboardResult> CreateLeaderboard(CreateLeaderboardRequest request)
     {
diff --git a/LeaderboardBackend/openapi.json b/LeaderboardBackend/openapi.json
index c6434a82..485eac46 100644
--- a/LeaderboardBackend/openapi.json
+++ b/LeaderboardBackend/openapi.json
@@ -564,6 +564,16 @@
         ],
         "summary": "Gets all leaderboards.",
         "operationId": "listLeaderboards",
+        "parameters": [
+          {
+            "name": "includeDeleted",
+            "in": "query",
+            "schema": {
+              "type": "boolean",
+              "default": false
+            }
+          }
+        ],
         "responses": {
           "400": {
             "description": "Bad Request",