diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..015dae8
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,17 @@
+# Gradle
+.gradle/
+build/
+out/
+
+# Fabric Loom
+run/
+remappedSrc/
+*.log
+
+# IDE
+.idea/
+*.iml
+.vscode/
+
+# OS
+.DS_Store
diff --git a/gradlew b/gradlew
old mode 100644
new mode 100755
diff --git a/src/main/java/cc/fros/features/modules/render/FullbrightModule.java b/src/main/java/cc/fros/features/modules/render/FullbrightModule.java
new file mode 100644
index 0000000..63dbbc7
--- /dev/null
+++ b/src/main/java/cc/fros/features/modules/render/FullbrightModule.java
@@ -0,0 +1,80 @@
+package cc.fros.features.modules.render;
+
+import cc.fros.features.modules.Module;
+import cc.fros.features.settings.Setting;
+import net.minecraft.world.effect.MobEffectInstance;
+import net.minecraft.world.effect.MobEffects;
+
+public class FullbrightModule extends Module {
+    private static final int POTION_DURATION = 400;
+
+    public final Setting<Mode> mode = mode("Mode", Mode.GAMMA);
+    public final Setting<Double> gamma = num("Gamma", 5.0, 0.1, 100.0);
+    public final Setting<Boolean> particles = bool("Particles", false);
+
+    private Mode activeMode = Mode.GAMMA;
+    private double previousGamma;
+    private boolean hadNightVision;
+
+    public FullbrightModule() {
+        super("Fullbright", "Makes everything bright", Category.RENDER);
+    }
+
+    @Override
+    public void onEnable() {
+        activeMode = mode.getValue();
+        prepare(activeMode);
+    }
+
+    @Override
+    public void onTick() {
+        if (mode.getValue() != activeMode) {
+            restore(activeMode);
+            activeMode = mode.getValue();
+            prepare(activeMode);
+        }
+
+        if (activeMode == Mode.GAMMA) {
+            applyGamma();
+            return;
+        }
+
+        if (nullCheck()) return;
+        // reapply every tick so it never expires
+        mc.player.addEffect(new MobEffectInstance(MobEffects.NIGHT_VISION,
+                POTION_DURATION, 0, true, particles.getValue()));
+    }
+
+    @Override
+    public void onDisable() {
+        restore(activeMode);
+    }
+
+    private void prepare(Mode newMode) {
+        if (newMode == Mode.GAMMA) {
+            previousGamma = mc.options.gamma().get();
+            return;
+        }
+        hadNightVision = !nullCheck() && mc.player.hasEffect(MobEffects.NIGHT_VISION);
+    }
+
+    private void restore(Mode oldMode) {
+        if (oldMode == Mode.GAMMA) {
+            // bypass OptionInstance#set, which rejects values outside [0.0, 1.0]
+            mc.options.gamma().value = previousGamma;
+            return;
+        }
+        if (!nullCheck() && !hadNightVision) {
+            mc.player.removeEffect(MobEffects.NIGHT_VISION);
+        }
+    }
+
+    private void applyGamma() {
+        mc.options.gamma().value = gamma.getValue();
+    }
+
+    public enum Mode {
+        GAMMA,
+        POTION
+    }
+}
diff --git a/src/main/java/cc/fros/manager/ModuleManager.java b/src/main/java/cc/fros/manager/ModuleManager.java
index 887a581..f6c778e 100644
--- a/src/main/java/cc/fros/manager/ModuleManager.java
+++ b/src/main/java/cc/fros/manager/ModuleManager.java
@@ -31,6 +31,7 @@ import cc.fros.features.modules.player.FastPlaceModule;
 import cc.fros.features.modules.player.NoFallModule;
 import cc.fros.features.modules.player.VelocityModule;
 import cc.fros.features.modules.render.BlockHighlightModule;
+import cc.fros.features.modules.render.FullbrightModule;
 import cc.fros.util.traits.Jsonable;
 import cc.fros.util.traits.Util;
 import org.slf4j.Logger;
@@ -62,6 +63,7 @@ public class ModuleManager implements Jsonable, Util {
         register(new FastPlaceModule());
         register(new VelocityModule());
         register(new BlockHighlightModule());
+        register(new FullbrightModule());
         register(new NoFallModule());
         register(new KeyPearlModule());
         register(new KillAuraModule());
diff --git a/src/main/resources/fros.accesswidener b/src/main/resources/fros.accesswidener
index 32453a4..2eb6bc5 100644
--- a/src/main/resources/fros.accesswidener
+++ b/src/main/resources/fros.accesswidener
@@ -10,4 +10,5 @@ accessible field com/mojang/blaze3d/platform/InputConstants$Type map Lit/unimi/d
 
 accessible field net/minecraft/client/player/LocalPlayer positionReminder I
 accessible field net/minecraft/client/player/LocalPlayer yRotLast F
-accessible field net/minecraft/client/player/LocalPlayer xRotLast F
\ No newline at end of file
+accessible field net/minecraft/client/player/LocalPlayer xRotLast F
+accessible field net/minecraft/client/OptionInstance value Ljava/lang/Object;
\ No newline at end of file