diff --git a/samples/clock/src/main.c b/samples/clock/src/main.c
index c82764b..2d83126 100644
--- a/samples/clock/src/main.c
+++ b/samples/clock/src/main.c
@@ -19,6 +19,9 @@ f32 minf(f32 a, f32 b);
 
 ORCA_EXPORT void oc_on_init(void)
 {
+    oc_runtime_window_set_title(OC_STR8("clock"));
+    oc_runtime_window_set_size(400, 400);
+
     surface = oc_surface_canvas();
     canvas = oc_canvas_create();
 
diff --git a/samples/fluid/src/main.c b/samples/fluid/src/main.c
index c473e65..82a9d4a 100644
--- a/samples/fluid/src/main.c
+++ b/samples/fluid/src/main.c
@@ -615,6 +615,8 @@ ORCA_EXPORT void oc_on_init()
 {
     oc_log_info("Hello, world (from C)");
 
+    oc_runtime_window_set_title(OC_STR8("fluid"));
+
     surface = oc_surface_gles();
     oc_surface_select(surface);
 
diff --git a/samples/glesTriangle/src/main.c b/samples/glesTriangle/src/main.c
index 2f4501c..0165026 100644
--- a/samples/glesTriangle/src/main.c
+++ b/samples/glesTriangle/src/main.c
@@ -37,6 +37,9 @@ void compile_shader(GLuint shader, const char* source)
 
 ORCA_EXPORT void oc_on_init(void)
 {
+    oc_runtime_window_set_title(OC_STR8("triangle"));
+    oc_runtime_window_set_size(640, 480);
+
     surface = oc_surface_gles();
     oc_surface_select(surface);
 
diff --git a/samples/pong/src/main.c b/samples/pong/src/main.c
index 98af1e5..04fa461 100644
--- a/samples/pong/src/main.c
+++ b/samples/pong/src/main.c
@@ -69,6 +69,8 @@ oc_str8 loadFile(oc_arena* arena, oc_str8 filename)
 
 ORCA_EXPORT void oc_on_init(void)
 {
+    oc_runtime_window_set_title(OC_STR8("pong"));
+
     surface = oc_surface_canvas();
     canvas = oc_canvas_create();
 
diff --git a/samples/ui/src/main.c b/samples/ui/src/main.c
index 7da4677..15e0d17 100644
--- a/samples/ui/src/main.c
+++ b/samples/ui/src/main.c
@@ -10,6 +10,8 @@ oc_arena textArena = { 0 };
 
 ORCA_EXPORT void oc_on_init(void)
 {
+    oc_runtime_window_set_title(OC_STR8("ui"));
+
     surface = oc_surface_canvas();
     canvas = oc_canvas_create();
     oc_ui_init(&ui);