diff --git a/inc/dd.h b/inc/dd.h
index 01a0826..0607d42 100644
--- a/inc/dd.h
+++ b/inc/dd.h
@@ -175,6 +175,7 @@ typedef struct CNCDDRAW
     SPEEDLIMITER ticks_limiter;
     SPEEDLIMITER flip_limiter;
     DWORD gui_thread_id;
+    BOOL rgb555;
 
 } CNCDDRAW;
 
diff --git a/src/config.c b/src/config.c
index c0f4291..ce6f87e 100644
--- a/src/config.c
+++ b/src/config.c
@@ -55,6 +55,7 @@ void cfg_load()
     g_ddraw->max_resolutions = cfg_get_int("max_resolutions", 0);
     g_ddraw->limit_bltfast = cfg_get_bool("limit_bltfast", FALSE);
     g_ddraw->opengl_core = cfg_get_bool("opengl_core", FALSE);
+    g_ddraw->rgb555 = cfg_get_bool("rgb555", FALSE);
     cfg_get_string("screenshotdir", ".\\Screenshots\\", g_ddraw->screenshot_dir, sizeof(g_ddraw->screenshot_dir));
 
     if (g_ddraw->locktopleft)
@@ -376,6 +377,7 @@ static void cfg_create_ini()
             "flipclear=false\n"
             "fixmousehook=false\n"
             "bpp=0\n"
+            "rgb555=false\n"
             "\n"
             "\n"
             "\n"
diff --git a/src/ddsurface.c b/src/ddsurface.c
index bd89a5c..34de913 100644
--- a/src/ddsurface.c
+++ b/src/ddsurface.c
@@ -1374,6 +1374,12 @@ HRESULT dd_CreateSurface(
                 dst_surface->bmi->bmiColors[i].rgbReserved = 0;
             }
         }
+        else if (dst_surface->bpp == 16 && g_ddraw->rgb555)
+        {
+            ((DWORD*)dst_surface->bmi->bmiColors)[0] = 0x7C00;
+            ((DWORD*)dst_surface->bmi->bmiColors)[1] = 0x03E0;
+            ((DWORD*)dst_surface->bmi->bmiColors)[2] = 0x001F;
+        }
         else if (dst_surface->bpp == 16)
         {
             ((DWORD*)dst_surface->bmi->bmiColors)[0] = 0xF800;
diff --git a/src/render_ogl.c b/src/render_ogl.c
index 6fb17b5..3db579f 100644
--- a/src/render_ogl.c
+++ b/src/render_ogl.c
@@ -245,6 +245,19 @@ static void ogl_create_textures(int width, int height)
                 g_ogl.surface_type = GL_UNSIGNED_BYTE,
                 0);
         }
+        else if (g_ddraw->bpp == 16 && g_ddraw->rgb555)
+        {
+            glTexImage2D(
+                GL_TEXTURE_2D,
+                0,
+                GL_RGB5_A1,
+                g_ogl.surface_tex_width,
+                g_ogl.surface_tex_height,
+                0,
+                g_ogl.surface_format = GL_BGRA,
+                g_ogl.surface_type = GL_UNSIGNED_SHORT_1_5_5_5_REV,
+                0);
+        }
         else if (g_ddraw->bpp == 16)
         {
             glTexImage2D(