
CRT shaders can elevate your retro games dramatically — but only if your TV and emulator settings are correctly tuned. Many players apply a shader preset and wonder why it still looks “flat” or “washed out.”
Here’s how to unlock the full potential of CRT-style visuals in 2026.
1. Disable TV Post-Processing Completely
Modern TVs apply processing meant for movies and TV shows, not pixel art.
Features like motion smoothing, sharpness enhancements, or dynamic contrast can destroy the fine detail of masks and scanlines.
Turn off:
- Motion interpolation (“Soap Opera Effect”)
- Sharpness boosts
- Noise reduction
- Dynamic contrast or HDR tonemapping
- Film mode / cinema mode
You want raw pixels reaching the screen without interference.
2. Use Integer Scaling for Clean Pixels
Integer scaling (2x, 3x, 4x…) ensures each original pixel scales evenly, preventing shimmering or uneven scanlines.
Without it, you may see distorted lines or stretched masks.
Most modern emulators allow you to enable integer scaling with one toggle.
3. Adjust Brightness and Gamma for Authentic Contrast
CRT shaders are naturally darker due to shadow masks and phosphor simulation.
Many beginners think something is “wrong,” but the shader simply expects a slightly adjusted gamma setting.
Try:
- Brightness slightly up
- Gamma lowered to around 2.0–2.1
This combination preserves contrast without making blacks “crushed.”
4. Use a 4K TV for Maximum Mask Detail
Although CRT shaders work on 1080p, they truly shine at 4K because:
- More pixels = more mask detail
- Curvature simulation looks smoother
- Scanline thickness becomes more realistic
If you’ve never seen CRT Royale on a 4K OLED, you’re missing out.
5. Choose the Right Shader for Your Hardware
Not all shaders are equal in complexity.
- CRT Royale — most accurate, very demanding
- Guest DrVenom (GDV) — balanced look, highly configurable
- Zfast CRT — lightweight/fast, great for handhelds and low-end hardware
If you want authenticity + performance, GDV is the best middle ground.
6. Tweak Mask Strength Until It Fits Your Display
Too strong and the image looks noisy. Too weak and it looks flat.
Each display reacts differently, so spend a few minutes tuning the mask to match your TV’s brightness and color output.
We're interested
Share your CRT shader settings in the comments — other players may want to copy your presets!