diff --git a/src/d_clisrv.c b/src/d_clisrv.c
index 7f6e6f287..f56e07777 100644
--- a/src/d_clisrv.c
+++ b/src/d_clisrv.c
@@ -3413,7 +3413,7 @@ static void Got_AddBot(UINT8 **p, INT32 playernum)
 {
 	INT16 newplayernum;
 	UINT8 skinnum = 0;
-	UINT8 difficulty = MAXBOTDIFFICULTY;
+	UINT8 difficulty = DIFFICULTBOT;
 
 	if (playernum != serverplayer && !IsPlayerAdmin(playernum))
 	{
diff --git a/src/d_netcmd.c b/src/d_netcmd.c
index 51b6b97d6..855353d9f 100644
--- a/src/d_netcmd.c
+++ b/src/d_netcmd.c
@@ -399,9 +399,13 @@ static CV_PossibleValue_t kartbot_cons_t[] = {
 	{7, "Lv.7"},
 	{8, "Lv.8"},
 	{9, "Lv.9"},
+	{10,"Lv.10"},
+	{11,"Lv.11"},
+	{12,"Lv.12"},
+	{13,"Lv.MAX"},
 	{0, NULL}
 };
-consvar_t cv_kartbot = CVAR_INIT ("kartbot", "0", CV_NETVAR|CV_CHEAT, kartbot_cons_t, NULL);
+consvar_t cv_kartbot = CVAR_INIT ("kartbot", "0", CV_NETVAR, kartbot_cons_t, NULL);
 
 consvar_t cv_karteliminatelast = CVAR_INIT ("karteliminatelast", "Yes", CV_NETVAR|CV_CHEAT|CV_CALL, CV_YesNo, KartEliminateLast_OnChange);
 
diff --git a/src/k_bot.c b/src/k_bot.c
index f31317546..7715cec90 100644
--- a/src/k_bot.c
+++ b/src/k_bot.c
@@ -477,24 +477,34 @@ fixed_t K_BotRubberband(player_t *player)
 		if (wanteddist > player->distancetofinish)
 		{
 			// Whoa, you're too far ahead! Slow back down a little.
-			rubberband += (MAXBOTDIFFICULTY - player->botvars.difficulty) * (distdiff / 3);
+			rubberband += (DIFFICULTBOT - min(DIFFICULTBOT, player->botvars.difficulty)) * (distdiff / 3);
 		}
 		else
 		{
 			// Catch up to your position!
-			rubberband += (2*player->botvars.difficulty) * distdiff;
+			rubberband += player->botvars.difficulty * distdiff;
 		}
 	}
 
-	// Lv. 1: x1.0 max
-	// Lv. 5: x1.5 max
-	// Lv. 9: x2.0 max
+#if 0
+	// Lv.   1: x1.0 max
+	// Lv.   5: x1.5 max
+	// Lv.   9: x2.0 max
+	// Lv. MAX: x2.5 max
+	max = FRACUNIT + ((FRACUNIT * (player->botvars.difficulty - 1)) / (DIFFICULTBOT - 1));
+#else
+	// Lv.   1: x1.0 max
+	// Lv.   5: x1.333 max
+	// Lv.   9: x1.667 max
+	// Lv. MAX: x2.0 max
 	max = FRACUNIT + ((FRACUNIT * (player->botvars.difficulty - 1)) / (MAXBOTDIFFICULTY - 1));
+#endif
 
-	// Lv. 1: x0.75 min
-	// Lv. 5: x0.875 min
-	// Lv. 9: x1.0 min
-	min = FRACUNIT - (((FRACUNIT/4) * (MAXBOTDIFFICULTY - player->botvars.difficulty)) / (MAXBOTDIFFICULTY - 1));
+	// Lv.   1: x0.75 min
+	// Lv.   5: x0.875 min
+	// Lv.   9: x1.0 min
+	// Lv. MAX: x1.0 min
+	min = FRACUNIT - (((FRACUNIT/4) * (DIFFICULTBOT - min(DIFFICULTBOT, player->botvars.difficulty))) / (DIFFICULTBOT - 1));
 
 	if (rubberband > max)
 	{
@@ -851,7 +861,7 @@ static UINT8 K_TrySpindash(player_t *player)
 	{
 		INT32 boosthold = starttime - K_GetSpindashChargeTime(player);
 
-		boosthold -= (MAXBOTDIFFICULTY - player->botvars.difficulty) * difficultyModifier;
+		boosthold -= (DIFFICULTBOT - min(DIFFICULTBOT, player->botvars.difficulty)) * difficultyModifier;
 
 		if (leveltime >= (unsigned)boosthold)
 		{
diff --git a/src/k_bot.h b/src/k_bot.h
index a04d5c174..be0242449 100644
--- a/src/k_bot.h
+++ b/src/k_bot.h
@@ -18,7 +18,10 @@
 #include "r_defs.h"
 
 // Maximum value of botvars.difficulty
-#define MAXBOTDIFFICULTY 9
+#define MAXBOTDIFFICULTY 13
+
+// Level of a "difficult" bot. The max bot level was increased, but this keeps all of the same calculations.
+#define DIFFICULTBOT 9
 
 // How many tics in a row do you need to turn in this direction before we'll let you turn.
 // Made it as small as possible without making it look like the bots are twitching constantly.
diff --git a/src/k_kart.c b/src/k_kart.c
index 58cb6fe31..c2f53632c 100644
--- a/src/k_kart.c
+++ b/src/k_kart.c
@@ -2982,7 +2982,7 @@ fixed_t K_GetKartSpeed(player_t *player, boolean doboostpower)
 	if (K_PlayerUsesBotMovement(player))
 	{
 		// Increase bot speed by 1-10% depending on difficulty
-		fixed_t add = (player->botvars.difficulty * (FRACUNIT/10)) / MAXBOTDIFFICULTY;
+		fixed_t add = (player->botvars.difficulty * (FRACUNIT/10)) / DIFFICULTBOT;
 		finalspeed = FixedMul(finalspeed, FRACUNIT + add);
 
 		if (player->botvars.rival == true)
@@ -7849,7 +7849,7 @@ INT32 K_GetKartRingPower(player_t *player, boolean boosted)
 	if (boosted == true && K_PlayerUsesBotMovement(player))
 	{
 		// Double for Lv. 9
-		ringPower += (player->botvars.difficulty * ringPower) / MAXBOTDIFFICULTY;
+		ringPower += (player->botvars.difficulty * ringPower) / DIFFICULTBOT;
 	}
 
 	return ringPower;