diff --git a/game/graphics/opengl_renderer/DirectRenderer.cpp b/game/graphics/opengl_renderer/DirectRenderer.cpp
index 64ee7716f2..6f512453f7 100644
--- a/game/graphics/opengl_renderer/DirectRenderer.cpp
+++ b/game/graphics/opengl_renderer/DirectRenderer.cpp
@@ -334,14 +334,20 @@ void DirectRenderer::update_gl_prim(SharedRenderState* render_state) {
   if (state.texture_enable) {
     float alpha_min = 0.0;
     float alpha_max = 10;
+    int greater = 0;
     if (m_test_state.alpha_test_enable) {
       switch (m_test_state.alpha_test) {
         case GsTest::AlphaTest::ALWAYS:
           break;
         case GsTest::AlphaTest::GEQUAL:
-        case GsTest::AlphaTest::GREATER:  // todo
           alpha_min = m_test_state.aref / 128.f;
           m_double_draw_aref = alpha_min;
+          greater = 0;
+          break;
+        case GsTest::AlphaTest::GREATER:
+          alpha_min = (1 + m_test_state.aref) / 128.f;
+          m_double_draw_aref = alpha_min;
+          greater = 1;
           break;
         case GsTest::AlphaTest::NEVER:
           break;
@@ -370,6 +376,9 @@ void DirectRenderer::update_gl_prim(SharedRenderState* render_state) {
     glUniform1i(glGetUniformLocation(render_state->shaders[ShaderId::DIRECT_BASIC_TEXTURED].id(),
                                      "offscreen_mode"),
                 m_offscreen_mode);
+    glUniform1i(glGetUniformLocation(render_state->shaders[ShaderId::DIRECT_BASIC_TEXTURED].id(),
+                                     "greater"),
+                greater);
     glUniform1f(
         glGetUniformLocation(render_state->shaders[ShaderId::DIRECT_BASIC_TEXTURED].id(), "ta0"),
         state.ta0 / 255.f);
diff --git a/game/graphics/opengl_renderer/shaders/direct_basic_textured.frag b/game/graphics/opengl_renderer/shaders/direct_basic_textured.frag
index 9d3e99e95f..8503d374fc 100644
--- a/game/graphics/opengl_renderer/shaders/direct_basic_textured.frag
+++ b/game/graphics/opengl_renderer/shaders/direct_basic_textured.frag
@@ -13,6 +13,7 @@ uniform float alpha_mult;
 uniform float alpha_sub;
 uniform float ta0;
 uniform int scissor_enable;
+uniform bool greater;
 // game width, game height, viewport width, viewport height
 uniform vec4 game_sizes;
 
@@ -85,8 +86,18 @@ void main() {
   color *= 2;
   color.xyz *= color_mult;
   color.w *= alpha_mult;
-  if (color.a < alpha_min || color.a > alpha_max) {
-    discard;
+  if (greater) {
+    // pass if alpha > min, so discard if alpha <= min
+    // greater than check should use the opposite, so alpha values equal to aref are only passed once for
+    // any double-draw
+    if (color.a <= alpha_min || color.a > alpha_max) {
+      discard;
+    }
+  } else {
+    // and this is just flipped from the case above.
+    if (color.a < alpha_min || color.a >= alpha_max) {
+      discard;
+    }
   }
   if (tex_info.w == 1) {
     color.xyz = mix(color.xyz, fog_color.rgb, clamp(fog_color.a * fog, 0, 1));