diff --git a/src/g_demo.cpp b/src/g_demo.cpp
index 6c5c1647b..13eba5aa3 100644
--- a/src/g_demo.cpp
+++ b/src/g_demo.cpp
@@ -166,8 +166,12 @@ demoghost *ghosts = NULL;
 //   - A bug was preventing control after ending a drift.
 //     Older behavior is kept around for staff ghost compat.
 //   - Also, polyobject bounce-back was fixed!
+// - 0x000B (Ring Racers v2.1 + In dev revisions)
+//   - SPB cup TA replays were recorded at this time
+//   - Slope physics changed with a scaling fix
+// - 0x000C (Ring Racers v2.2)
 
-#define DEMOVERSION 0x000B
+#define DEMOVERSION 0x000C
 
 boolean G_CompatLevel(UINT16 level)
 {
diff --git a/src/p_user.c b/src/p_user.c
index fc0c0bd23..c23f9e1f8 100644
--- a/src/p_user.c
+++ b/src/p_user.c
@@ -1917,7 +1917,11 @@ static void P_3dMovement(player_t *player)
 	vector3_t totalthrust;
 
 	totalthrust.x = totalthrust.y = 0; // I forget if this is needed
-	totalthrust.z = FRACUNIT*P_MobjFlip(player->mo)/3; // A bit of extra push-back on slopes
+
+	if (G_CompatLevel(0x000B)) // Ring Racers 2.1 behavior
+		totalthrust.z = FRACUNIT*P_MobjFlip(player->mo)/3; // A bit of extra push-back on slopes
+	else
+		totalthrust.z = FixedMul(mapobjectscale, K_GrowShrinkSpeedMul(player))*P_MobjFlip(player->mo)/3; // A bit of extra push-back on slopes, but scaled for mapobject and player size
 
 	if (K_SlopeResistance(player) == true)
 	{