diff --git a/xtrn/chickendelivery/levels/1.ini b/xtrn/chickendelivery/levels/1.ini
index 659de510b7fa6426800b8940d34275a1fa2b541a..8c926a9151dfe417e063fec84301d816409889e6 100644
--- a/xtrn/chickendelivery/levels/1.ini
+++ b/xtrn/chickendelivery/levels/1.ini
@@ -24,6 +24,6 @@ door = 1,15,door.ans,100
 2 = 1,19,20,1,BG_BROWN
 
 [Enemies]
-;x,y,ansi,left border,right border,direction(l/r)
-1 = 75,20,grndemon.ans,1,75,l
-2 = 1,15,cyndemon.ans,1,75,r
+;x,y,ansi,left border,right border,direction(l/r),step interval
+1 = 75,20,grndemon.ans,1,75,l,1
+2 = 1,15,cyndemon.ans,1,75,r,1
diff --git a/xtrn/chickendelivery/levels/10.ini b/xtrn/chickendelivery/levels/10.ini
index bbc4f3edf9d116c5d8fc67cc18e7acb8e961bd93..1dc83f8621524f6e346f017ebffe4fdea156d4b6 100644
--- a/xtrn/chickendelivery/levels/10.ini
+++ b/xtrn/chickendelivery/levels/10.ini
@@ -24,11 +24,11 @@ door = 76,20,door.ans,100
 2 = 14,19,15,1,BG_BROWN
 
 [Enemies]
-;x,y,ansi,left border,right border,direction(l/r)
-1 = 71,20,dwer.ans,1,71,l
-2 = 61,20,dwer.ans,1,71,l
-3 = 51,20,dwer.ans,1,71,l
-4 = 41,20,dwer.ans,1,71,l
-5 = 31,20,dwer.ans,1,71,l
-6 = 21,20,dwer.ans,1,71,l
-7 = 11,20,dwer.ans,1,71,l
+;x,y,ansi,left border,right border,direction(l/r),step interval
+1 = 71,20,dwer.ans,1,71,l,1
+2 = 61,20,dwer.ans,1,71,l,1
+3 = 51,20,dwer.ans,1,71,l,1
+4 = 41,20,dwer.ans,1,71,l,1
+5 = 31,20,dwer.ans,1,71,l,1
+6 = 21,20,dwer.ans,1,71,l,1
+7 = 11,20,dwer.ans,1,71,l,1
diff --git a/xtrn/chickendelivery/levels/11.ini b/xtrn/chickendelivery/levels/11.ini
index 4e9c026b92e74a1e401e54fd5f45e176005bc285..dc8d981ee0d4951213a56c25ff31bc0aa3c7507b 100644
--- a/xtrn/chickendelivery/levels/11.ini
+++ b/xtrn/chickendelivery/levels/11.ini
@@ -26,6 +26,6 @@ door = 76,15,door.ans,100
 4 = 71,19,10,1,BG_CYAN
 
 [Enemies]
-;x,y,ansi,left border,right border,direction(l/r)
-1 = 70,20,telegard.ans,1,71,l
-2 = 1,20,telegard.ans,1,71,r
+;x,y,ansi,left border,right border,direction(l/r),step interval
+1 = 70,20,telegard.ans,1,71,l,.75
+2 = 1,20,telegard.ans,1,71,r,.75
diff --git a/xtrn/chickendelivery/levels/2.ini b/xtrn/chickendelivery/levels/2.ini
index 783d18345fecc43d06257ea81fbee5e944e76b08..254e116fe88661fe726dc93471a3fb19a9a76a7c 100644
--- a/xtrn/chickendelivery/levels/2.ini
+++ b/xtrn/chickendelivery/levels/2.ini
@@ -24,5 +24,5 @@ door = 76,15,door.ans,100
 2 = 31,19,50,1,BG_BROWN
 
 [Enemies]
-;x,y,ansi,left border,right border,direction(l/r)
-1 = 45,15,cyndemon.ans,1,45,l
+;x,y,ansi,left border,right border,direction(l/r),step interval
+1 = 45,15,cyndemon.ans,1,45,l,1
diff --git a/xtrn/chickendelivery/levels/3.ini b/xtrn/chickendelivery/levels/3.ini
index 3c2298c23f06af6e4b4476924b54e1c00102595e..853296070805597b4242f114494a2d195e230780 100644
--- a/xtrn/chickendelivery/levels/3.ini
+++ b/xtrn/chickendelivery/levels/3.ini
@@ -26,5 +26,5 @@ door = 50,15,door.ans,100
 4 = 45,19,10,1,BG_BROWN
 
 [Enemies]
-;x,y,ansi,left border,right border,direction(l/r)
-1 = 76,20,cyndemon.ans,1,76,l
+;x,y,ansi,left border,right border,direction(l/r),step interval
+1 = 76,20,cyndemon.ans,1,76,l,1
diff --git a/xtrn/chickendelivery/levels/4.ini b/xtrn/chickendelivery/levels/4.ini
index f9f70b1e4f77f4f9a6e19bab5848581ea9042c0a..159c35f02b02b6e2ab3b31cdcbde3301270a9d32 100644
--- a/xtrn/chickendelivery/levels/4.ini
+++ b/xtrn/chickendelivery/levels/4.ini
@@ -29,7 +29,7 @@ door = 41,20,door.ans,100
 7 = 66,19,15,1,BG_BROWN
 
 [Enemies]
-;x,y,ansi,left border,right border,direction(l/r)
-1 = 76,20,cyndemon.ans,1,76,l
-2 = 56,20,blughost.ans,1,56,l
-3 = 36,20,reddemon.ans,1,36,l
+;x,y,ansi,left border,right border,direction(l/r),step interval
+1 = 76,20,cyndemon.ans,1,76,l,1
+2 = 56,20,blughost.ans,1,56,l,1
+3 = 36,20,reddemon.ans,1,36,l,1
diff --git a/xtrn/chickendelivery/levels/5.ini b/xtrn/chickendelivery/levels/5.ini
index 444f3b5b8e1c07d853ea3c6fe0030c0e3971cf6c..365d1c6f65a664f76370c619ecc4e1b5376c5fbe 100644
--- a/xtrn/chickendelivery/levels/5.ini
+++ b/xtrn/chickendelivery/levels/5.ini
@@ -26,7 +26,7 @@ door = 76,10,brwndoor.ans,100
 4 = 30,9,51,1,BG_LIGHTGRAY
 
 [Enemies]
-;x,y,ansi,left border,right border,direction(l/r)
-1 = 65,20,cyndemon.ans,1,65,l
-2 = 47,10,prpdemon.ans,1,47,l
-3 = 35,5,blughost.ans,1,35,l
+;x,y,ansi,left border,right border,direction(l/r),step interval
+1 = 65,20,cyndemon.ans,1,65,l,1
+2 = 47,10,prpdemon.ans,1,47,l,1
+3 = 35,5,blughost.ans,1,35,l,1
diff --git a/xtrn/chickendelivery/levels/6.ini b/xtrn/chickendelivery/levels/6.ini
index 56ba4f58aefa1d64c00af50942b48e7183cf5149..a2f90f13983cc849ad4485321a1d0faf8680805e 100644
--- a/xtrn/chickendelivery/levels/6.ini
+++ b/xtrn/chickendelivery/levels/6.ini
@@ -24,6 +24,6 @@ door = 40,15,door.ans,100
 2 = 35,19,15,1,BG_BROWN
 
 [Enemies]
-;x,y,ansi,left border,right border,direction(l/r)
-1 = 45,15,cynrobot.ans,35,45,l
-2 = 60,20,grnrobot.ans,1,60,l
+;x,y,ansi,left border,right border,direction(l/r),step interval
+1 = 45,15,cynrobot.ans,35,45,l,1
+2 = 60,20,grnrobot.ans,1,60,l,1
diff --git a/xtrn/chickendelivery/levels/7.ini b/xtrn/chickendelivery/levels/7.ini
index e69b77a3fe9e7af9f18d157d7e633e7c7efabc96..b34fcbda4d339b92f8129d3c4d142dff589dc075 100644
--- a/xtrn/chickendelivery/levels/7.ini
+++ b/xtrn/chickendelivery/levels/7.ini
@@ -28,8 +28,8 @@ door = 1,15,door.ans,100
 6 = 45,19,5,1,BG_BROWN
 
 [Enemies]
-;x,y,ansi,left border,right border,direction(l/r)
-1 = 1,20,redalien.ans,1,76,r
-2 = 15,20,prpalien.ans,15,76,r
-3 = 30,20,blualien.ans,30,76,r
-4 = 76,20,grnalien.ans,1,76,l
+;x,y,ansi,left border,right border,direction(l/r),step interval
+1 = 1,20,redalien.ans,1,76,r,1
+2 = 15,20,prpalien.ans,15,76,r,1
+3 = 30,20,blualien.ans,30,76,r,1
+4 = 76,20,grnalien.ans,1,76,l,1
diff --git a/xtrn/chickendelivery/levels/8.ini b/xtrn/chickendelivery/levels/8.ini
index aa953c8570b1e7f56ed30035bb7117a5470457f8..585df1642748d36faf75217523cf3aefeb9c4b94 100644
--- a/xtrn/chickendelivery/levels/8.ini
+++ b/xtrn/chickendelivery/levels/8.ini
@@ -27,4 +27,4 @@ door = 62,20,door.ans,100
 5 = 62,24,5,1,BG_BROWN
 
 [Enemies]
-;x,y,ansi,left border,right border,direction(l/r)
+;x,y,ansi,left border,right border,direction(l/r),step interval
diff --git a/xtrn/chickendelivery/levels/9.ini b/xtrn/chickendelivery/levels/9.ini
index e922b9bb506a53623debdf11ec4417f692c87c3e..ac1dd55ce6857b12eacc3b4c4b506a117e7601a4 100644
--- a/xtrn/chickendelivery/levels/9.ini
+++ b/xtrn/chickendelivery/levels/9.ini
@@ -27,7 +27,7 @@ door = 73,20,door.ans,100
 
 [Enemies]
 ;x,y,ansi,opposite border,direction(l/r)
-1 = 1,20,blughost.ans,1,68,r
-2 = 20,20,prpghost.ans,20,68,r
-3 = 39,20,grnghost.ans,39,68,r
-4 = 58,20,cynghost.ans,58,68,r
+1 = 1,20,blughost.ans,1,68,r,1
+2 = 20,20,prpghost.ans,20,68,r,1
+3 = 39,20,grnghost.ans,39,68,r,1
+4 = 58,20,cynghost.ans,58,68,r,1