diff --git a/src/main.rs b/src/main.rs
index b2d5eaa..96542da 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -49,6 +49,10 @@ pub struct Cli {
     /// language to pull words from
     #[clap(short = 'l', long, arg_enum, default_value_t = SupportedLanguage::English)]
     supported_language: SupportedLanguage,
+
+    /// is death mode enabled
+    #[clap(short = 'd', long = "death-mode")]
+    death_mode: bool,
 }
 
 #[derive(Debug, Copy, Clone, ArgEnum, strum_macros::Display)]
@@ -88,7 +92,7 @@ impl App {
         };
         if cli.number_of_sentences.is_some() {
             Self {
-                thok: Thok::new(prompt, count, cli.number_of_secs.map(|ns| ns as f64)),
+                thok: Thok::new(prompt, count, cli.number_of_secs.map(|ns| ns as f64), cli.death_mode),
                 cli: Some(cli),
             }
         } else {
@@ -97,6 +101,7 @@ impl App {
                     prompt,
                     cli.number_of_words,
                     cli.number_of_secs.map(|ns| ns as f64),
+                    cli.death_mode,
                 ),
                 cli: Some(cli),
             }
@@ -123,12 +128,13 @@ impl App {
             },
         };
         if cli.number_of_sentences.is_some() {
-            self.thok = Thok::new(prompt, count, cli.number_of_secs.map(|ns| ns as f64));
+            self.thok = Thok::new(prompt, count, cli.number_of_secs.map(|ns| ns as f64), cli.death_mode);
         } else {
             self.thok = Thok::new(
                 prompt,
                 cli.number_of_words,
                 cli.number_of_secs.map(|ns| ns as f64),
+                    cli.death_mode,
             );
         }
     }
diff --git a/src/thok.rs b/src/thok.rs
index c7ec39e..bdc3724 100644
--- a/src/thok.rs
+++ b/src/thok.rs
@@ -32,13 +32,19 @@ pub struct Thok {
     pub seconds_remaining: Option<f64>,
     pub number_of_secs: Option<f64>,
     pub number_of_words: usize,
+    pub death_mode: bool,
     pub wpm: f64,
     pub accuracy: f64,
     pub std_dev: f64,
 }
 
 impl Thok {
-    pub fn new(prompt: String, number_of_words: usize, number_of_secs: Option<f64>) -> Self {
+    pub fn new(
+        prompt: String,
+        number_of_words: usize,
+        number_of_secs: Option<f64>,
+        death_mode: bool,
+    ) -> Self {
         Self {
             prompt,
             input: vec![],
@@ -48,6 +54,7 @@ impl Thok {
             started_at: None,
             number_of_secs,
             number_of_words,
+            death_mode,
             seconds_remaining: number_of_secs,
             wpm: 0.0,
             accuracy: 0.0,
@@ -189,8 +196,17 @@ impl Thok {
     }
 
     pub fn has_finished(&self) -> bool {
-        (self.input.len() == self.prompt.len())
-            || (self.seconds_remaining.is_some() && self.seconds_remaining.unwrap() <= 0.0)
+        let finished_prompt = self.input.len() == self.prompt.len();
+        let out_of_time =
+            self.seconds_remaining.is_some() && self.seconds_remaining.unwrap() <= 0.0;
+        let is_fatal_error = self.death_mode
+            && self
+                .input
+                .clone()
+                .into_iter()
+                .any(|i| i.outcome == Outcome::Incorrect);
+
+        finished_prompt || out_of_time || is_fatal_error
     }
 
     pub fn save_results(&self) -> io::Result<()> {
diff --git a/src/ui.rs b/src/ui.rs
index bdac4a7..8803a9a 100644
--- a/src/ui.rs
+++ b/src/ui.rs
@@ -135,7 +135,7 @@ impl Widget for &Thok {
 
                 for ts in &self.wpm_coords {
                     if ts.1 > highest_wpm {
-                        highest_wpm = ts.1 as f64;
+                        highest_wpm = ts.1;
                     }
                 }
 
@@ -178,11 +178,22 @@ impl Widget for &Thok {
 
                 chart.render(chunks[0], buf);
 
+                let bad_death = self.death_mode
+                    && self
+                        .input
+                        .clone()
+                        .into_iter()
+                        .any(|i| i.outcome == Outcome::Incorrect);
+
                 let stats = Paragraph::new(Span::styled(
-                    format!(
-                        "{} wpm   {}% acc   {:.2} sd",
-                        self.wpm, self.accuracy, self.std_dev
-                    ),
+                    if bad_death {
+                        format!("💀")
+                    } else {
+                        format!(
+                            "{} wpm   {}% acc   {:.2} sd",
+                            self.wpm, self.accuracy, self.std_dev
+                        )
+                    },
                     bold_style,
                 ))
                 .alignment(Alignment::Center);