diff --git a/rsrc/dialogs/debug-crash-confirm.xml b/rsrc/dialogs/debug-crash-confirm.xml
new file mode 100644
index 00000000..0c7b0fbf
--- /dev/null
+++ b/rsrc/dialogs/debug-crash-confirm.xml
@@ -0,0 +1,12 @@
+<?xml version='1.0' encoding='UTF-8' standalone='no'?>
+<?xml-stylesheet href="dialog.xsl" type="text/xsl"?>
+<dialog defbtn='no'>
+	<pict type='dlog' num='7' top='6' left='6'/>
+	<text top='6' left='48' width='249' height='67'>
+		You are about to crash the game on purpose.<br/>
+		<br/>
+		Are you sure you want to do this?
+	</text>
+	<button name='no' type='regular' def-key='n' top='84' left='239'>No</button>
+	<button name='yes' type='regular' def-key='y' top='84' left='172'>Yes</button>
+</dialog>
diff --git a/src/dialogxml/keycodes.cpp b/src/dialogxml/keycodes.cpp
index 4083db6f..50c34a36 100644
--- a/src/dialogxml/keycodes.cpp
+++ b/src/dialogxml/keycodes.cpp
@@ -66,6 +66,8 @@ cKey charToKey(char ch) {
 			return {false, w('/'), mod_shift};
 		case '~':
 			return {false, w('`'), mod_shift};
+		case '\\':
+			return {false, w('\\'), mod_none};
 	}
 	throw std::string {"Tried to convert unsupported char '"} + ch + "' to cKey!";
 }
diff --git a/src/game/boe.actions.cpp b/src/game/boe.actions.cpp
index a39c54a4..435fa45b 100644
--- a/src/game/boe.actions.cpp
+++ b/src/game/boe.actions.cpp
@@ -2456,7 +2456,7 @@ void debug_launch_scen(std::string scen_name) {
 }
 
 // Non-comprehensive list of unused keys:
-// chjklnoqvy -_+[]{},.'"`\|;:
+// chjklnoqvy -_+[]{},.'"`|;:
 // We want to keep lower-case for normal gameplay.
 void init_debug_actions() {
 	// optional `true` argument means you can use this action in the startup menu.
@@ -2507,6 +2507,7 @@ void init_debug_actions() {
 	add_debug_action({'^'}, "Fight special encounter from this section", []() {debug_fight_encounter(false);});
 	add_debug_action({'/', '?'}, "Bring up this window", show_debug_help, true);
 	add_debug_action({'Z'}, "Save the current action log for bug reporting", save_replay_log, true);
+	add_debug_action({'\\'}, "Crash the game", debug_crash, true);
 }
 
 // Later we might want to know whether the key is used or not
@@ -4066,6 +4067,18 @@ void save_replay_log(){
 	start_log_file(out_file.string());
 }
 
+void debug_crash() {
+	// If they don't confirm, the game can continue normally, and we'll need to replay
+	// that the confirmation opened and closed.
+	if(recording){
+		record_action("debug_crash", "");
+	}
+	std::string confirm = cChoiceDlog("debug-crash-confirm",{"yes","no"}).show();
+	if(confirm == "yes"){
+		throw std::string { "Be careful what you wish for!" };
+	}
+}
+
 void clear_trapped_monst() {
 	if(recording){
 		record_action("clear_trapped_monst", "");
diff --git a/src/game/boe.actions.hpp b/src/game/boe.actions.hpp
index 215b5ba8..de4ce1f8 100644
--- a/src/game/boe.actions.hpp
+++ b/src/game/boe.actions.hpp
@@ -120,6 +120,7 @@ void easter_egg(int idx);
 void preview_dialog_xml();
 void preview_every_dialog_xml();
 void save_replay_log();
+void debug_crash();
 void clear_trapped_monst();
 
 #endif
diff --git a/src/game/boe.main.cpp b/src/game/boe.main.cpp
index 38f8ddc6..4ebad1b8 100644
--- a/src/game/boe.main.cpp
+++ b/src/game/boe.main.cpp
@@ -954,6 +954,8 @@ static void replay_action(Element& action) {
 		clear_trapped_monst();
 	}else if(t == "error"){
 		// The error is recorded for debugging only. It should be triggered by replaying the actions.
+	}else if(t == "debug_crash"){
+		debug_crash();
 	}else if(t == "advance_time"){
 		// This is bad regardless of strictness, because visual changes may have occurred which won't get redrawn/reprinted
 		throw std::string { "Replay system internal error! advance_time() was supposed to be called by the last action, but wasn't: " } + _last_action_type;