diff --git a/language.version b/language.version
index 48ce001f9..8fe1e5e92 100644
--- a/language.version
+++ b/language.version
@@ -1,3 +1,3 @@
 [default]
-SWWM_MODVER="\cyDEMOLITIONIST \cw1.3pre r763 \cu(Thu  9 Mar 20:43:10 CET 2023)\c-";
-SWWM_SHORTVER="\cw1.3pre r763 \cu(2023-03-09 20:43:10)\c-";
+SWWM_MODVER="\cyDEMOLITIONIST \cw1.3pre r764 \cu(Fri 10 Mar 19:40:43 CET 2023)\c-";
+SWWM_SHORTVER="\cw1.3pre r764 \cu(2023-03-10 19:40:43)\c-";
diff --git a/zscript/player/swwm_player_move.zsc b/zscript/player/swwm_player_move.zsc
index 2bd3e9b0c..3f4b9f071 100644
--- a/zscript/player/swwm_player_move.zsc
+++ b/zscript/player/swwm_player_move.zsc
@@ -273,17 +273,39 @@ extend Class Demolitionist
 				nmove *= movefactor;
 				if ( bNOGRAVITY && !player.GetClassicFlight() )
 				{
-					double zpush = nmove.x*sin(pitch);
-					vel.z -= zpush;
-					vel.xy += RotateVector(nmove,angle)*cos(pitch);
+					Vector3 accel;
+					accel.xy = RotateVector(nmove,angle)*cos(pitch);
+					accel.z += nmove.x*sin(-pitch);
+					double maxspd = 16.*TweakSpeed();
+					if ( CanCrouch() && (player.crouchfactor != 1) ) maxspd *= player.crouchfactor;
+					double spd = vel.length();
+					// quicker speedup
+					vel += accel*clamp(maxspd/max(.01,spd),1.,2.);
+					// additional steering + quicker slow down
+					spd = vel.length();
+					if ( spd > maxspd ) spd -= (spd-maxspd)*.1;
+					vel = (vel+accel).unit()*spd;
 					player.vel += RotateVector(nmove,angle)*bobfactor*cos(pitch)*16.;
 				}
-				else
+				else if ( player.onground )
 				{
-					vel.xy += RotateVector(nmove,angle);
-					if ( player.onground ) player.vel += RotateVector(nmove,angle)*bobfactor*16.;
-					else player.vel *= .75;
+					Vector2 accel = RotateVector(nmove,angle);
+					if ( waterlevel > 1 ) vel.xy += accel;	// slippery if waist-high or deeper
+					else
+					{
+						double maxspd = 16.*TweakSpeed();
+						if ( CanCrouch() && (player.crouchfactor != 1) ) maxspd *= player.crouchfactor;
+						double spd = vel.xy.length();
+						// quicker speedup
+						vel.xy += accel*clamp(maxspd/max(.01,spd),1.,2.);
+						// additional steering + quicker slow down
+						spd = vel.xy.length();
+						if ( spd > maxspd ) spd -= (spd-maxspd)*.1;
+						vel.xy = (vel.xy+accel).unit()*spd;
+						player.vel += RotateVector(nmove,angle)*bobfactor*16.;
+					}
 				}
+				else player.vel *= .75;
 				// override air control because we REALLY need the extra mobility
 				if ( !player.onground && !bNOGRAVITY )
 				{
diff --git a/zscript/player/swwm_player_tick.zsc b/zscript/player/swwm_player_tick.zsc
index d15deb8bf..3069ab0ad 100644
--- a/zscript/player/swwm_player_tick.zsc
+++ b/zscript/player/swwm_player_tick.zsc
@@ -305,9 +305,10 @@ extend Class Demolitionist
 		CheckUnderwaterAmb();
 		SenseItems();
 		CheckItemMagnet();
-		if ( vel.length() > mystats.topspeed ) mystats.topspeed = vel.length();
-		if ( vel.length() > ((3600*GameTicRate)/32000.) )
-			SWWMUtility.AchievementProgress("sanic",int((vel.length()*3600*GameTicRate)/32000.),player);
+		double spd = vel.length();
+		if ( spd > mystats.topspeed ) mystats.topspeed = spd;
+		if ( spd > ((3600*GameTicRate)/32000.) )
+			SWWMUtility.AchievementProgress("sanic",int((spd*3600*GameTicRate)/32000.),player);
 		if ( player.onground && !bNoGravity && !lastground )
 		{
 			// bump down weapon