diff --git a/data/shaders/postfx.frag b/data/shaders/postfx.frag
index 9d13c36..9a66a9f 100644
--- a/data/shaders/postfx.frag
+++ b/data/shaders/postfx.frag
@@ -23,9 +23,9 @@ layout(set = 3, binding = 0) uniform PostFXUniforms {
     float curvature;
     float bleeding;
     float pixel_scale;   // physical pixels per logical pixel (vh / tex_height_)
-    float time;          // seconds since SDL init (for future animated effects)
+    float time;          // seconds since SDL init
     float oversample;    // supersampling factor (1.0 = off, 3.0 = 3×SS)
-    float pad1;          // padding — 48 bytes total (3 × 16)
+    float flicker;       // 0 = off, 1 = phosphor flicker ~50 Hz — 48 bytes total (3 × 16)
 } u;
 
 // YCbCr helpers for NTSC bleeding
@@ -85,8 +85,8 @@ void main() {
         colour = base;
     }
 
-    // Aberración cromática
-    float ca = u.chroma_strength * 0.005;
+    // Aberración cromática (drift animado con time para efecto NTSC real)
+    float ca = u.chroma_strength * 0.005 * (1.0 + 0.15 * sin(u.time * 7.3));
     colour.r = texture(scene, uv + vec2(ca, 0.0)).r;
     colour.b = texture(scene, uv - vec2(ca, 0.0)).b;
 
@@ -134,5 +134,11 @@ void main() {
         colour = mix(colour, colour * mask, u.mask_strength);
     }
 
+    // Parpadeo de fósforo CRT (~50 Hz)
+    if (u.flicker > 0.0) {
+        float flicker_wave = sin(u.time * 100.0) * 0.5 + 0.5;
+        colour *= 1.0 - u.flicker * 0.04 * flicker_wave;
+    }
+
     out_color = vec4(colour, 1.0);
 }
diff --git a/source/core/rendering/screen.cpp b/source/core/rendering/screen.cpp
index 8bd31cb..74c8680 100644
--- a/source/core/rendering/screen.cpp
+++ b/source/core/rendering/screen.cpp
@@ -475,7 +475,7 @@ void Screen::applyCurrentPostFXPreset() {
         // setOversample primero: puede recrear texturas antes de que setPostFXParams
         // decida si hornear scanlines en CPU o aplicarlas en GPU.
         shader_backend_->setOversample(Options::video.supersampling ? 3 : 1);
-        Rendering::PostFXParams params{.vignette = p.vignette, .scanlines = p.scanlines, .chroma = p.chroma, .mask = p.mask, .gamma = p.gamma, .curvature = p.curvature, .bleeding = p.bleeding};
+        Rendering::PostFXParams params{.vignette = p.vignette, .scanlines = p.scanlines, .chroma = p.chroma, .mask = p.mask, .gamma = p.gamma, .curvature = p.curvature, .bleeding = p.bleeding, .flicker = p.flicker};
         shader_backend_->setPostFXParams(params);
     }
 }
diff --git a/source/core/rendering/sdl3gpu/sdl3gpu_shader.cpp b/source/core/rendering/sdl3gpu/sdl3gpu_shader.cpp
index 492dd0a..498c066 100644
--- a/source/core/rendering/sdl3gpu/sdl3gpu_shader.cpp
+++ b/source/core/rendering/sdl3gpu/sdl3gpu_shader.cpp
@@ -57,7 +57,7 @@ struct PostFXUniforms {
     float pixel_scale;
     float time;
     float oversample;  // 1.0 = sin SS, 3.0 = 3× supersampling
-    float pad1;
+    float flicker;     // 0 = off, 1 = phosphor flicker ~50 Hz
 };
 
 // YCbCr helpers for NTSC bleeding
@@ -119,8 +119,8 @@ fragment float4 postfx_fs(PostVOut                 in    [[stage_in]],
         colour = base;
     }
 
-    // Aberración cromática
-    float ca = u.chroma_strength * 0.005f;
+    // Aberración cromática (drift animado con time para efecto NTSC real)
+    float ca = u.chroma_strength * 0.005f * (1.0f + 0.15f * sin(u.time * 7.3f));
     colour.r = scene.sample(samp, uv + float2(ca, 0.0f)).r;
     colour.b = scene.sample(samp, uv - float2(ca, 0.0f)).b;
 
@@ -165,6 +165,12 @@ fragment float4 postfx_fs(PostVOut                 in    [[stage_in]],
         colour = mix(colour, colour * mask, u.mask_strength);
     }
 
+    // Parpadeo de fósforo CRT (~50 Hz)
+    if (u.flicker > 0.0f) {
+        float flicker_wave = sin(u.time * 100.0f) * 0.5f + 0.5f;
+        colour *= 1.0f - u.flicker * 0.04f * flicker_wave;
+    }
+
     return float4(colour, 1.0f);
 }
 )";
@@ -627,6 +633,7 @@ namespace Rendering {
         uniforms_.gamma_strength    = p.gamma;
         uniforms_.curvature         = p.curvature;
         uniforms_.bleeding          = p.bleeding;
+        uniforms_.flicker           = p.flicker;
 
         // Con supersampling las scanlines se hornean en CPU (uploadPixels).
         // El shader recibe strength=0 para no aplicarlas de nuevo en GPU.
diff --git a/source/core/rendering/sdl3gpu/sdl3gpu_shader.hpp b/source/core/rendering/sdl3gpu/sdl3gpu_shader.hpp
index df9d704..c1fb4ca 100644
--- a/source/core/rendering/sdl3gpu/sdl3gpu_shader.hpp
+++ b/source/core/rendering/sdl3gpu/sdl3gpu_shader.hpp
@@ -20,7 +20,7 @@ struct PostFXUniforms {
     float pixel_scale;        // physical pixels per logical pixel (vh / tex_height_)
     float time;               // seconds since SDL init (SDL_GetTicks() / 1000.0f)
     float oversample;         // supersampling factor (1.0 = off, 3.0 = 3×SS)
-    float pad1;               // padding — keep struct at 48 bytes (3 × 16)
+    float flicker;            // 0 = off, 1 = phosphor flicker ~50 Hz — keep struct at 48 bytes (3 × 16)
 };
 
 namespace Rendering {
diff --git a/source/core/rendering/shader_backend.hpp b/source/core/rendering/shader_backend.hpp
index 85c3dae..1e2e768 100644
--- a/source/core/rendering/shader_backend.hpp
+++ b/source/core/rendering/shader_backend.hpp
@@ -18,6 +18,7 @@ namespace Rendering {
         float gamma = 0.0F;       // Corrección gamma (blend 0=off, 1=full)
         float curvature = 0.0F;   // Curvatura barrel CRT
         float bleeding = 0.0F;    // Sangrado de color NTSC
+        float flicker = 0.0F;    // Parpadeo de fósforo CRT ~50 Hz
     };
 
     /**
diff --git a/source/game/options.cpp b/source/game/options.cpp
index 9e6bf3d..a87b704 100644
--- a/source/game/options.cpp
+++ b/source/game/options.cpp
@@ -735,6 +735,7 @@ namespace Options {
                     parseFloatField(p, "gamma", preset.gamma);
                     parseFloatField(p, "curvature", preset.curvature);
                     parseFloatField(p, "bleeding", preset.bleeding);
+                    parseFloatField(p, "flicker", preset.flicker);
                     // Nota: 'supersampling' era un campo por-preset (eliminado). Si existe
                     // en el fichero del usuario se ignora silenciosamente (compatible).
                     postfx_presets.push_back(preset);
@@ -786,6 +787,7 @@ namespace Options {
         file << "# gamma: gamma correction input 2.4 / output 2.2\n";
         file << "# curvature: CRT barrel distortion\n";
         file << "# bleeding: NTSC horizontal colour bleeding\n";
+        file << "# flicker: phosphor CRT flicker ~50 Hz (0.0 = off, 1.0 = max)\n";
         file << "# Note: supersampling is a global toggle in config.yaml, not per-preset.\n";
         file << "\n";
         file << "presets:\n";
@@ -797,6 +799,7 @@ namespace Options {
         file << "    gamma: 0.8\n";
         file << "    curvature: 0.0\n";
         file << "    bleeding: 0.0\n";
+        file << "    flicker: 0.0\n";
         file << "  - name: \"NTSC\"\n";
         file << "    vignette: 0.4\n";
         file << "    scanlines: 0.5\n";
@@ -805,6 +808,7 @@ namespace Options {
         file << "    gamma: 0.5\n";
         file << "    curvature: 0.0\n";
         file << "    bleeding: 0.6\n";
+        file << "    flicker: 0.0\n";
         file << "  - name: \"CURVED\"\n";
         file << "    vignette: 0.5\n";
         file << "    scanlines: 0.6\n";
@@ -813,6 +817,7 @@ namespace Options {
         file << "    gamma: 0.7\n";
         file << "    curvature: 0.8\n";
         file << "    bleeding: 0.0\n";
+        file << "    flicker: 0.0\n";
         file << "  - name: \"SCANLINES\"\n";
         file << "    vignette: 0.0\n";
         file << "    scanlines: 0.8\n";
@@ -821,6 +826,7 @@ namespace Options {
         file << "    gamma: 0.0\n";
         file << "    curvature: 0.0\n";
         file << "    bleeding: 0.0\n";
+        file << "    flicker: 0.0\n";
         file << "  - name: \"SUBTLE\"\n";
         file << "    vignette: 0.3\n";
         file << "    scanlines: 0.4\n";
@@ -829,6 +835,16 @@ namespace Options {
         file << "    gamma: 0.3\n";
         file << "    curvature: 0.0\n";
         file << "    bleeding: 0.0\n";
+        file << "    flicker: 0.0\n";
+        file << "  - name: \"CRT LIVE\"\n";
+        file << "    vignette: 0.5\n";
+        file << "    scanlines: 0.6\n";
+        file << "    chroma: 0.3\n";
+        file << "    mask: 0.3\n";
+        file << "    gamma: 0.4\n";
+        file << "    curvature: 0.3\n";
+        file << "    bleeding: 0.4\n";
+        file << "    flicker: 0.8\n";
 
         file.close();
 
@@ -838,11 +854,12 @@ namespace Options {
 
         // Cargar los presets recién creados
         postfx_presets.clear();
-        postfx_presets.push_back({"CRT", 0.6F, 0.7F, 0.15F, 0.6F, 0.8F, 0.0F, 0.0F});
-        postfx_presets.push_back({"NTSC", 0.4F, 0.5F, 0.2F, 0.4F, 0.5F, 0.0F, 0.6F});
-        postfx_presets.push_back({"CURVED", 0.5F, 0.6F, 0.1F, 0.5F, 0.7F, 0.8F, 0.0F});
-        postfx_presets.push_back({"SCANLINES", 0.0F, 0.8F, 0.0F, 0.0F, 0.0F, 0.0F, 0.0F});
-        postfx_presets.push_back({"SUBTLE", 0.3F, 0.4F, 0.05F, 0.0F, 0.3F, 0.0F, 0.0F});
+        postfx_presets.push_back({"CRT",      0.6F, 0.7F, 0.15F, 0.6F, 0.8F, 0.0F, 0.0F, 0.0F});
+        postfx_presets.push_back({"NTSC",     0.4F, 0.5F, 0.2F,  0.4F, 0.5F, 0.0F, 0.6F, 0.0F});
+        postfx_presets.push_back({"CURVED",   0.5F, 0.6F, 0.1F,  0.5F, 0.7F, 0.8F, 0.0F, 0.0F});
+        postfx_presets.push_back({"SCANLINES",0.0F, 0.8F, 0.0F,  0.0F, 0.0F, 0.0F, 0.0F, 0.0F});
+        postfx_presets.push_back({"SUBTLE",   0.3F, 0.4F, 0.05F, 0.0F, 0.3F, 0.0F, 0.0F, 0.0F});
+        postfx_presets.push_back({"CRT LIVE", 0.5F, 0.6F, 0.3F,  0.3F, 0.4F, 0.3F, 0.4F, 0.8F});
         current_postfx_preset = 0;
 
         return true;
diff --git a/source/game/options.hpp b/source/game/options.hpp
index c7bbcd1..f692a46 100644
--- a/source/game/options.hpp
+++ b/source/game/options.hpp
@@ -125,6 +125,7 @@ namespace Options {
         float gamma{0.0F};          // Corrección gamma input 2.4 / output 2.2 (0.0 = off, 1.0 = plena)
         float curvature{0.0F};      // Distorsión barrel CRT (0.0 = plana, 1.0 = máxima curvatura)
         float bleeding{0.0F};       // Sangrado de color NTSC horizontal Y/C (0.0 = off, 1.0 = máximo)
+        float flicker{0.0F};        // Parpadeo de fósforo CRT ~50 Hz (0.0 = off, 1.0 = máximo)
     };
 
     // --- Variables globales ---