diff --git a/releases/Fantasy Zone II - The Tears of Opa-Opa.mra b/releases/Fantasy Zone II - The Tears of Opa-Opa.mra
index 4a59ee6..ffa4313 100644
--- a/releases/Fantasy Zone II - The Tears of Opa-Opa.mra	
+++ b/releases/Fantasy Zone II - The Tears of Opa-Opa.mra	
@@ -1,15 +1,30 @@
 <misterromdescription>
 	<name>Fantasy Zone II - The Tears of Opa-Opa (MC-8123, 317-0057)</name>
-	<setname>fantzn2</setname>
-	<rbf>SMS</rbf>
-	<mameversion></mameversion>
-	<year></year>
+	<region>Japan</region>
+	<homebrew>no</homebrew>
+	<bootleg>no</bootleg>
+	<version></version>
+	<alternative></alternative>
+	<platform>Sega System E</platform>
+	<series>Fantasy Zone</series>
+	<year>1988</year>
 	<manufacturer>Sega</manufacturer>
+	<category>Shooter</category>
+
+	<setname>fantzn2</setname>
+	<parent>fantzn2</parent>
+	<mameversion>0235</mameversion>
+	<rbf>SMS</rbf>
+	<about></about>
+
+	<resolution>15kHz</resolution>
+	<rotation>horizontal</rotation>
+	<flip></flip>
+
 	<players>1</players>
 	<joystick>8-way</joystick>
-	<rotation>horizontal</rotation>
-	<region></region>
 	<buttons names="Fire/Button1,Bomb/Button2,-,-,-,-,Coin,Start,Pause" default="A,B,X,Y,R,L,Select,Start" count="1"/>
+	
 	<switches base="24" default="FF,FF,FF">
 		<!-- SWA -->
 		<dip name="Coin A" bits="0,3" ids="1/1,1/1 2/3,1/1 4/5,1/1 5/6,2/1 4/3,2/1 5/3 6/4,2/3,4/1,3/1,2/1,1/6,1/5,1/4,1/3,1/2,1/1"/>
@@ -23,6 +38,7 @@
 		<dip name="Service Toggle" bits="18" ids="On,Off"/>
 		<dip name="Service Mode" bits="19" ids="On,Off"/>
 	</switches>
+
 	<rom index="0" zip="fantzn2.zip" type="merged" md5="b2a30dbfbf4547642bd33b538a978096">
 		<!-- banks, size: 0x40000 -->
 		<part crc="57B45681" name="epr-11415.ic5"/>
@@ -42,4 +58,8 @@
 <!--
 	<nvram index="4" size="3"/>
 -->
+
+	<remark></remark>
+
+	<mratimestamp>20210904000000</mratimestamp>
 </misterromdescription>
diff --git a/releases/Hang On Jr.mra b/releases/Hang On Jr.mra
index 8dce6af..0d10b0c 100644
--- a/releases/Hang On Jr.mra	
+++ b/releases/Hang On Jr.mra	
@@ -1,15 +1,30 @@
 <misterromdescription>
 	<name>Hang-On Jr. (Rev. B)</name>
-	<setname>hangonjr</setname>
-	<rbf>SMS</rbf>
-	<mameversion></mameversion>
-	<year></year>
+	<region></region>
+	<homebrew>no</homebrew>
+	<bootleg>no</bootleg>
+	<version></version>
+	<alternative></alternative>
+	<platform>Sega System E</platform>
+	<series>Hang-On</series>
+	<year>1985</year>
 	<manufacturer>Sega</manufacturer>
+	<category>Driving</category>
+
+	<setname>hangonjr</setname>
+	<parent>hangonjr</parent>
+	<mameversion>0235</mameversion>
+	<rbf>SMS</rbf>
+	<about></about>
+
+	<resolution>15kHz</resolution>
+	<rotation>horizontal</rotation>
+	<flip></flip>
+
 	<players>1</players>
 	<joystick></joystick>
-	<rotation>horizontal</rotation>
-	<region></region>
 	<buttons names="-,-,-,-,-,-,Coin,Start,Pause" default="A,B,X,Y,R,L,Select,Start" count="1"/>
+	
 	<switches base="24" default="FF,FF,FF">
 		<!-- SWA -->
 		<dip name="Coin A" bits="0,3" ids="1/1,1/1 2/3,1/1 4/5,1/1 5/6,2/1 4/3,2/1 5/3 6/4,2/3,4/1,3/1,2/1,1/6,1/5,1/4,1/3,1/2,1/1"/>
@@ -21,6 +36,7 @@
 		<dip name="Service Toggle" bits="18" ids="On,Off"/>
 		<dip name="Service Mode" bits="19" ids="On,Off"/>
 	</switches>
+
 	<rom index="0" zip="hangonjr.zip" type="merged" md5="e395445f4b1f33cc2a46710974495bda">
 		<!-- banks, size: 0x40000 -->
 		<part crc="EE3CAAB3" name="epr-7258.ic5"/>
@@ -41,4 +57,8 @@
 <!--
 	<nvram index="4" size="3"/>
 -->
+
+	<remark></remark>
+
+	<mratimestamp>20210904000000</mratimestamp>
 </misterromdescription>
diff --git a/releases/Opa Opa (Rev A, unprotected).mra b/releases/Opa Opa (Rev A, unprotected).mra
index c2e08a0..0d46fd4 100644
--- a/releases/Opa Opa (Rev A, unprotected).mra	
+++ b/releases/Opa Opa (Rev A, unprotected).mra	
@@ -1,15 +1,30 @@
 <misterromdescription>
 	<name>Opa Opa (Rev A, unprotected)</name>
-	<setname>opaopan</setname>
-	<rbf>SMS</rbf>
-	<mameversion></mameversion>
-	<year></year>
+	<region></region>
+	<homebrew>no</homebrew>
+	<bootleg>no</bootleg>
+	<version></version>
+	<alternative></alternative>
+	<platform>Sega System E</platform>
+	<series>Fantasy Zone</series>
+	<year>1987</year>
 	<manufacturer>Sega</manufacturer>
+	<category>Maze</category>
+
+	<setname>opaopan</setname>
+	<parent>opaopa</parent>
+	<mameversion>0235</mameversion>
+	<rbf>SMS</rbf>
+	<about></about>
+	
+	<resolution>15kHz</resolution>
+	<rotation>horizontal</rotation>
+	<flip></flip>
+
 	<players>1</players>
 	<joystick>8-way</joystick>
-	<rotation>horizontal</rotation>
-	<region></region>
 	<buttons names="Fire1/Button1,Button2,-,-,-,-,Coin,Start,Pause" default="A,B,X,Y,R,L,Select,Start" count="2"/>
+	
 	<switches base="24" default="FF,FF,FF">
 		<!-- SWA -->
 		<dip name="Coin A" bits="0,3" ids="1/1,1/1 2/3,1/1 4/5,1/1 5/6,2/1 4/3,2/1 5/3 6/4,2/3,4/1,3/1,2/1,1/6,1/5,1/4,1/3,1/2,1/1"/>
@@ -23,6 +38,7 @@
 		<dip name="Service Toggle" bits="18" ids="On,Off"/>
 		<dip name="Service Mode" bits="19" ids="On,Off"/>
 	</switches>
+
 	<rom index="0" zip="opaopa.zip" type="merged" md5="ba808106e6351b3da18f529c8a81713c">
 		<!-- banks, size: 0x40000 -->
 		<part crc="15203A42" name="epr-11022.ic5"/>
@@ -43,4 +59,8 @@
 <!--
 	<nvram index="4" size="3"/>
 -->
+
+	<remark></remark>
+
+	<mratimestamp>20210904000000</mratimestamp>
 </misterromdescription>
diff --git a/releases/Opa Opa.mra b/releases/Opa Opa.mra
index 0a4c55b..264e6b0 100644
--- a/releases/Opa Opa.mra	
+++ b/releases/Opa Opa.mra	
@@ -1,15 +1,30 @@
 <misterromdescription>
-	<name>Opa Opa</name>
-	<setname>opaopa</setname>
-	<rbf>SMS</rbf>
-	<mameversion></mameversion>
-	<year></year>
+	<name>Opa Opa (MC-8123, 317-0042)</name>
+	<region></region>
+	<homebrew>no</homebrew>
+	<bootleg>no</bootleg>
+	<version></version>
+	<alternative></alternative>
+	<platform>Sega System E</platform>
+	<series>Fantasy Zone</series>
+	<year>1987</year>
 	<manufacturer>Sega</manufacturer>
+	<category>Maze</category>
+
+	<setname>opaopa</setname>
+	<parent>opaopa</parent>
+	<mameversion>0235</mameversion>
+	<rbf>SMS</rbf>
+	<about></about>
+
+	<resolution>15kHz</resolution>
+	<rotation>horizontal</rotation>
+	<flip></flip>
+
 	<players>1</players>
 	<joystick>8-way</joystick>
-	<rotation>horizontal</rotation>
-	<region></region>
 	<buttons names="Fire1/Button1,Button2,-,-,-,-,Coin,Start,Pause" default="A,B,X,Y,R,L,Select,Start" count="2"/>
+	
 	<switches base="24" default="FF,FF,FF">
 		<!-- SWA -->
 		<dip name="Coin A" bits="0,3" ids="1/1,1/1 2/3,1/1 4/5,1/1 5/6,2/1 4/3,2/1 5/3 6/4,2/3,4/1,3/1,2/1,1/6,1/5,1/4,1/3,1/2,1/1"/>
@@ -23,6 +38,7 @@
 		<dip name="Service Toggle" bits="18" ids="On,Off"/>
 		<dip name="Service Mode" bits="19" ids="On,Off"/>
 	</switches>
+	
 	<rom index="0" zip="opaopa.zip" type="merged" md5="0be8f107b47ca34bb22d937ae5987dfd">
 		<!-- banks, size: 0x40000 -->
 		<part crc="6BC41D6E" name="epr-11050.ic5"/>
@@ -46,4 +62,8 @@
 <!--
 	<nvram index="4" size="3"/>
 -->
+
+	<remark></remark>
+
+	<mratimestamp>20210904000000</mratimestamp>
 </misterromdescription>
diff --git a/releases/Riddle of Pythagoras (Japan).mra b/releases/Riddle of Pythagoras (Japan).mra
index 54d4c05..a7c49fe 100644
--- a/releases/Riddle of Pythagoras (Japan).mra	
+++ b/releases/Riddle of Pythagoras (Japan).mra	
@@ -1,15 +1,30 @@
 <misterromdescription>
 	<name>Riddle of Pythagoras (Japan)</name>
-	<setname>ridleofp</setname>
-	<rbf>SMS</rbf>
-	<mameversion></mameversion>
-	<year></year>
+	<region>Japan</region>
+	<homebrew>no</homebrew>
+	<bootleg>no</bootleg>
+	<version></version>
+	<alternative></alternative>
+	<platform>Sega System E</platform>
+	<series></series>
+	<year>1986</year>
 	<manufacturer>Sega / Nasco</manufacturer>
+	<category>Ball & Paddle</category>
+
+	<setname>ridleofp</setname>
+	<parent>ridleofp</parent>
+	<mameversion>0235</mameversion>
+	<rbf>SMS</rbf>
+	<about></about>
+
+	<resolution>15kHz</resolution>
+	<rotation>vertical (cw)</rotation>
+	<flip></flip>
+
 	<players>1</players>
 	<joystick>8-way</joystick>
-	<rotation>vertical (cw)</rotation>
-	<region></region>
 	<buttons names="Launch/Button1,Button2,-,-,-,-,Coin,Start,Pause" default="A,B,X,Y,R,L,Select,Start" count="1"/>
+	
 	<switches base="24" default="FF,FF,FF">
 		<!-- SWA -->
 		<dip name="Coin A" bits="0,3" ids="Free Play,1/1 2/3,1/1 4/5,1/1 5/6,2/1 4/3,2/1 5/3 6/4,2/3,4/1,3/1,2/1,1/6,1/5,1/4,1/3,1/2,1/1"/>
@@ -22,6 +37,7 @@
 		<dip name="Service Toggle" bits="18" ids="On,Off"/>
 		<dip name="Service Mode" bits="19" ids="On,Off"/>
 	</switches>
+	
 	<rom index="0" zip="ridleofp.zip" type="merged" md5="22cff7d82820707800ed419441475842">
 		<!-- banks, size: 0x40000 -->
 		<part crc="35964109" name="epr-10425.bin"/>
@@ -42,4 +58,8 @@
 <!--
 	<nvram index="4" size="3"/>
 -->
+
+	<remark></remark>
+
+	<mratimestamp>20210904000000</mratimestamp>
 </misterromdescription>
diff --git a/releases/Slap Shooter.mra b/releases/Slap Shooter.mra
index 7a743a2..78c6b73 100644
--- a/releases/Slap Shooter.mra	
+++ b/releases/Slap Shooter.mra	
@@ -1,15 +1,30 @@
 <misterromdescription>
 	<name>Slap Shooter</name>
-	<setname>slapshtr</setname>
-	<rbf>SMS</rbf>
-	<mameversion></mameversion>
-	<year></year>
+	<region></region>
+	<homebrew>no</homebrew>
+	<bootleg>no</bootleg>
+	<version></version>
+	<alternative></alternative>
+	<platform>Sega System E</platform>
+	<series></series>
+	<year>1986</year>
 	<manufacturer>Sega</manufacturer>
+	<category>Sports / Hockey</category>
+
+	<setname>slapshtr</setname>
+	<parent>slapshtr</parent>
+	<mameversion>0235</mameversion>
+	<rbf>SMS</rbf>
+	<about></about>
+
+	<resolution>15kHz</resolution>
+	<rotation>horizontal</rotation>
+	<flip></flip>
+
 	<players>1</players>
 	<joystick>8-way</joystick>
-	<rotation>horizontal</rotation>
-	<region></region>
 	<buttons names="Pass/Button1,Shot/Button2,-,-,-,-,Coin,Start,Pause" default="A,B,X,Y,R,L,Select,Start" count="1"/>
+	
 	<switches base="24" default="FF,FF,FF">
 		<!-- SWA -->
 		<dip name="Coin A" bits="0,3" ids="1/1,1/1 2/3,1/1 4/5,1/1 5/6,2/1 4/3,2/1 5/3 6/4,2/3,4/1,3/1,2/1,1/6,1/5,1/4,1/3,1/2,1/1"/>
@@ -32,6 +47,7 @@
 		<dip name="Service Toggle" bits="18" ids="On,Off"/>
 		<dip name="Service Mode" bits="19" ids="On,Off"/>
 	</switches>
+	
 	<rom index="0" zip="slapshtr.zip" type="merged" md5="56553344d411ac3dae69f2786e8218f0">
 		<!-- banks, size: 0x40000 -->
 		<part crc="61C938B6" name="epr-7352.ic5"/>
@@ -52,4 +68,8 @@
 <!--
 	<nvram index="4" size="3"/>
 -->
+
+	<remark></remark>
+
+	<mratimestamp>20210904000000</mratimestamp>
 </misterromdescription>
diff --git a/releases/Tetris (Japan, System E).mra b/releases/Tetris (Japan, System E).mra
index c065280..465ed95 100644
--- a/releases/Tetris (Japan, System E).mra	
+++ b/releases/Tetris (Japan, System E).mra	
@@ -1,15 +1,30 @@
 <misterromdescription>
 	<name>Tetris (Japan, System E)</name>
-	<setname>tetrisse</setname>
-	<rbf>SMS</rbf>
-	<mameversion></mameversion>
-	<year></year>
+	<region>Japan</region>
+	<homebrew>no</homebrew>
+	<bootleg>no</bootleg>
+	<version></version>
+	<alternative></alternative>
+	<platform>Sega System E</platform>
+	<series>Tetris</series>
+	<year>1988</year>
 	<manufacturer>Sega</manufacturer>
+	<category>Puzzle / Drop</category>
+
+	<setname>tetrisse</setname>
+	<parent>tetrisse</parent>
+	<mameversion>0235</mameversion>
+	<rbf>SMS</rbf>
+	<about></about>
+
+	<resolution>15kHz</resolution>
+	<rotation>horizontal</rotation>
+	<flip></flip>
+	
 	<players>1</players>
 	<joystick>8-way</joystick>
-	<rotation>horizontal</rotation>
-	<region></region>
 	<buttons names="Rotate/Button1,Rotate/Button2,-,-,-,-,Coin,Start,Pause" default="A,B,X,Y,R,L,Select,Start" count="1"/>
+	
 	<switches base="24" default="FF,FF,FF">
 		<!-- SWA -->
 		<dip name="Coin A" bits="0,3" ids="1/1,1/1 2/3,1/1 4/5,1/1 5/6,2/1 4/3,2/1 5/3 6/4,2/3,4/1,3/1,2/1,1/6,1/5,1/4,1/3,1/2,1/1"/>
@@ -21,6 +36,7 @@
 		<dip name="Service Toggle" bits="18" ids="On,Off"/>
 		<dip name="Service Mode" bits="19" ids="On,Off"/>
 	</switches>
+
 	<rom index="0" zip="tetrisse.zip" type="merged" md5="5ea87dc49d7dcc026f73a0506b3cf6da">
 		<!-- banks, size: 0x40000 -->
 		<part crc="28B550BF" name="epr-12212.5"/>
@@ -41,4 +57,8 @@
 <!--
 	<nvram index="4" size="3"/>
 -->
+
+	<remark></remark>
+
+	<mratimestamp>20210904000000</mratimestamp>
 </misterromdescription>
diff --git a/releases/Transformer.mra b/releases/Transformer.mra
index 12b520e..1674a93 100644
--- a/releases/Transformer.mra
+++ b/releases/Transformer.mra
@@ -1,15 +1,30 @@
 <misterromdescription>
 	<name>Transformer</name>
-	<setname>transfrm</setname>
-	<rbf>SMS</rbf>
-	<mameversion></mameversion>
-	<year></year>
+	<region></region>
+	<homebrew>no</homebrew>
+	<bootleg>no</bootleg>
+	<version></version>
+	<alternative></alternative>
+	<platform>Sega System E</platform>
+	<series></series>
+	<year>1986</year>
 	<manufacturer>Sega</manufacturer>
+	<category>Shooter</category>
+
+	<setname>transfrm</setname>
+	<parent>transfrm</setname>
+	<mameversion>0235</mameversion>
+	<rbf>SMS</rbf>
+	<about></about>
+	
+	<resolution>15kHz</resolution>
+	<rotation>horizontal</rotation>
+	<flip></flip>
+
 	<players>2</players>
 	<joystick>8-way</joystick>
-	<rotation>horizontal</rotation>
-	<region></region>
 	<buttons names="Fire/Button1,Transform/Button2,-,-,-,-,Coin,Start,Pause" default="A,B,X,Y,R,L,Select,Start" count="1"/>
+	
 	<switches base="24" default="FF,FF,FF">
 		<!-- SWA -->
 		<dip name="Coin A" bits="0,3" ids="1/1,1/1 2/3,1/1 4/5,1/1 5/6,2/1 4/3,2/1 5/3 6/4,2/3,4/1,3/1,2/1,1/6,1/5,1/4,1/3,1/2,1/1"/>
@@ -24,6 +39,7 @@
 		<dip name="Service Toggle" bits="18" ids="On,Off"/>
 		<dip name="Service Mode" bits="19" ids="On,Off"/>
 	</switches>
+	
 	<rom index="0" zip="transfrm.zip" type="merged" md5="2bc658193e8e93f4d7991694547a875f">
 		<!-- banks, size: 0x40000 -->
 		<part crc="DF0F639F" name="epr-7347.ic5"/>
@@ -44,4 +60,9 @@
 <!--
 	<nvram index="4" size="3"/>
 -->
+
+	<remark></remark>
+
+	<mratimestamp>20210904000000</mratimestamp>
+
 </misterromdescription>