diff --git a/src/engine/fox_play.c b/src/engine/fox_play.c
index 3e90db13..0ef05370 100644
--- a/src/engine/fox_play.c
+++ b/src/engine/fox_play.c
@@ -5559,7 +5559,9 @@ void Player_UpdateShields(Player* player) {
         if (player->damage <= 0) {
             player->damage = 0;
         }
-        player->shields -= 2;
+        if (!CVarGetInteger("gInvincible", 0)) {
+            player->shields -= 2;
+        }
         if (player->shields <= 0) {
             player->shields = 0;
             player->damage = 0;
diff --git a/src/port/ui/ImguiUI.cpp b/src/port/ui/ImguiUI.cpp
index a9fc6fef..3d8d6c8e 100644
--- a/src/port/ui/ImguiUI.cpp
+++ b/src/port/ui/ImguiUI.cpp
@@ -460,6 +460,7 @@ void DrawEnhancementsMenu() {
 void DrawCheatsMenu() {
     if (UIWidgets::BeginMenu("Cheats")) {
         UIWidgets::CVarCheckbox("Infinite Lives", "gInfiniteLives");
+        UIWidgets::CVarCheckbox("Invincible", "gInvincible");
         UIWidgets::CVarCheckbox("Unbreakable Wings", "gUnbreakableWings");
         UIWidgets::CVarCheckbox("Infinite Bombs", "gInfiniteBombs");
         UIWidgets::CVarCheckbox("Hyper Laser", "gHyperLaser");