diff --git a/src/game/gamefile.c b/src/game/gamefile.c
index d8d36474e..fba27901a 100644
--- a/src/game/gamefile.c
+++ b/src/game/gamefile.c
@@ -567,3 +567,57 @@ void gamefileGetOverview(char *arg0, char *name, u8 *stage, u8 *difficulty, u32
 
 	*difficulty = savebufferReadBits(&buffer, 2);
 }
+
+#ifndef PLATFORM_N64
+// Unlock all of the unlockables.
+// These hacks are taken from the original debug mode.
+void gamefileUnlockEverything(void)
+{
+	s32 i, j;
+
+	// unlock all challenges
+	for (i = 0; i < ARRAYCOUNT(g_MpChallenges); ++i) {
+		for (j = 0; j < MAX_PLAYERS; ++j) {
+			g_MpChallenges[i].completions[j] = 0x0f;
+		}
+	}
+	challengeDetermineUnlockedFeatures();
+
+	// complete all missions in coop
+	for (i = 0; i < ARRAYCOUNT(g_GameFile.coopcompletions); ++i) {
+		g_GameFile.coopcompletions[i] = 0x1fffff;
+	}
+
+	// unlock all guns
+	for (i = 0; i < ARRAYCOUNT(g_GameFile.weaponsfound); ++i) {
+		g_GameFile.weaponsfound[i] = 0xff;
+	}
+
+	// unlock all campaign levels
+	for (i = 0; i < NUM_SOLOSTAGES; i++) {
+		for (j = 0; j < 3; j++) {
+			g_GameFile.besttimes[i][j] = 7;
+		}
+	}
+
+	// unlock alternate intro sequence
+	g_AltTitleUnlocked = true;
+
+	// unlock all firing range challenges
+	for (i = 0; i < ARRAYCOUNT(g_GameFile.firingrangescores); ++i) {
+		g_GameFile.firingrangescores[i] = 0xff;
+	}
+
+	// unlock all device training
+	gamefileSetFlag(GAMEFILEFLAG_CI_CLOAK_DONE);
+	gamefileSetFlag(GAMEFILEFLAG_CI_DISGUISE_DONE);
+	gamefileSetFlag(GAMEFILEFLAG_CI_XRAY_DONE);
+	gamefileSetFlag(GAMEFILEFLAG_CI_IR_DONE);
+	gamefileSetFlag(GAMEFILEFLAG_CI_RTRACKER_DONE);
+	gamefileSetFlag(GAMEFILEFLAG_CI_DOORDECODER_DONE);
+	gamefileSetFlag(GAMEFILEFLAG_CI_NIGHTVISION_DONE);
+	gamefileSetFlag(GAMEFILEFLAG_CI_CAMSPY_DONE);
+	gamefileSetFlag(GAMEFILEFLAG_CI_ECMMINE_DONE);
+	gamefileSetFlag(GAMEFILEFLAG_CI_UPLINK_DONE);
+}
+#endif