diff --git a/rooms/r_test.room.gmx b/rooms/r_test.room.gmx
index ce98db9..201e138 100644
--- a/rooms/r_test.room.gmx
+++ b/rooms/r_test.room.gmx
@@ -50,6 +50,9 @@
     <view visible="0" objName="&lt;undefined&gt;" xview="0" yview="0" wview="640" hview="480" xport="0" yport="0" wport="640" hport="480" hborder="32" vborder="32" hspeed="-1" vspeed="-1"/>
   </views>
   <instances>
+    <instance objName="o_finish" x="1664" y="480" name="inst_11B97929" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_gravity_up" x="2560" y="448" name="inst_CC35BC21" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_gravity_down" x="2560" y="32" name="inst_308D582C" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
     <instance objName="o_wall_inv" x="640" y="480" name="inst_FFE0D61D" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
     <instance objName="o_wall_inv" x="608" y="480" name="inst_6E29682F" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
     <instance objName="o_wall_inv" x="512" y="480" name="inst_4DE63F2A" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
@@ -188,7 +191,6 @@
     <instance objName="o_wall_inv" x="1568" y="480" name="inst_2F79BE46" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
     <instance objName="o_wall_inv" x="1632" y="480" name="inst_EE93BBF3" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
     <instance objName="o_wall_inv" x="1600" y="480" name="inst_AC23D446" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
-    <instance objName="o_wall_inv" x="1664" y="480" name="inst_EB09EB7F" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
     <instance objName="o_wall_inv" x="1728" y="480" name="inst_12C64812" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
     <instance objName="o_wall_inv" x="1696" y="480" name="inst_7E50C846" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
     <instance objName="o_wall_inv" x="1760" y="480" name="inst_3CF2778D" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
@@ -205,12 +207,6 @@
     <instance objName="o_wall_inv" x="2112" y="480" name="inst_5E428CEE" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
     <instance objName="o_wall_inv" x="2144" y="480" name="inst_D85F5624" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
     <instance objName="o_wall_inv" x="2176" y="480" name="inst_D69FD106" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
-    <instance objName="o_wall_inv" x="2208" y="480" name="inst_6F33CA2D" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
-    <instance objName="o_wall_inv" x="2240" y="480" name="inst_370B9851" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
-    <instance objName="o_wall_inv" x="2272" y="480" name="inst_D8F19899" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
-    <instance objName="o_wall_inv" x="2336" y="480" name="inst_BA3471C7" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
-    <instance objName="o_wall_inv" x="2304" y="480" name="inst_0949EC88" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
-    <instance objName="o_wall_inv" x="2368" y="480" name="inst_265D444C" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
     <instance objName="o_wall_inv" x="2400" y="480" name="inst_1F612E2C" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
     <instance objName="o_wall_inv" x="2432" y="480" name="inst_02581A35" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
     <instance objName="o_wall_inv" x="2464" y="480" name="inst_606B2B35" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
@@ -218,7 +214,6 @@
     <instance objName="o_wall_inv" x="2560" y="480" name="inst_E82365C1" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
     <instance objName="o_wall_inv" x="2528" y="480" name="inst_E622027F" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
     <instance objName="o_wall_inv" x="2560" y="416" name="inst_1DE224BB" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
-    <instance objName="o_wall_inv" x="2560" y="448" name="inst_4F968F1E" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
     <instance objName="o_wall_inv" x="2560" y="384" name="inst_076DCCEB" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
     <instance objName="o_wall_inv" x="2560" y="352" name="inst_713D56EB" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
     <instance objName="o_wall_inv" x="2560" y="320" name="inst_B1A246E2" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
@@ -230,7 +225,6 @@
     <instance objName="o_wall_inv" x="2560" y="128" name="inst_1CE0A3FA" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
     <instance objName="o_wall_inv" x="2560" y="96" name="inst_0FD7CDBF" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
     <instance objName="o_wall_inv" x="2560" y="64" name="inst_9437B08B" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
-    <instance objName="o_wall_inv" x="2560" y="32" name="inst_8DD069B4" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
     <instance objName="o_wall_inv" x="2560" y="0" name="inst_586E2B91" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
     <instance objName="o_wall_inv" x="2528" y="0" name="inst_D06EC519" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
     <instance objName="o_wall_inv" x="2496" y="0" name="inst_763EF717" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
@@ -315,7 +309,6 @@
     <instance objName="o_wall_inv" x="960" y="256" name="inst_C40306F4" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
     <instance objName="o_wall_inv" x="1024" y="256" name="inst_99A70152" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
     <instance objName="o_wall_inv_R_D" x="832" y="448" name="inst_2DB71642" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
-    <instance objName="o_wall_inv_L_D" x="896" y="448" name="inst_2F1389E7" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
     <instance objName="o_wall_inv" x="864" y="448" name="inst_51862722" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
     <instance objName="o_wall_inv_R_D" x="480" y="448" name="inst_2BA23081" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
     <instance objName="o_wall_inv_R_D" x="1088" y="320" name="inst_07334845" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
@@ -369,6 +362,54 @@
     <instance objName="o_wall_inv" x="1344" y="448" name="inst_4A5EA4E7" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
     <instance objName="m_roll" x="0" y="0" name="inst_38C45F17" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
     <instance objName="o_info_keys" x="416" y="32" name="inst_398AE2C4" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_wall_inv_R_D" x="1568" y="448" name="inst_461CA59D" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_wall_inv_R_D" x="1632" y="416" name="inst_F177FD3E" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_wall_inv_R_D" x="1696" y="384" name="inst_287C0BA6" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_wall_inv_R_D" x="1760" y="352" name="inst_8BE46230" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_wall_inv_R_D" x="1824" y="320" name="inst_1DD92901" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_wall_inv" x="1600" y="448" name="inst_6F930543" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_wall_inv" x="1664" y="416" name="inst_0E521576" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_wall_inv" x="1728" y="384" name="inst_BE6130FF" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_wall_inv" x="1632" y="448" name="inst_1CD74E4E" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_wall_inv" x="1792" y="352" name="inst_6FACF194" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_wall_inv" x="1856" y="320" name="inst_6C6F89FA" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_wall_inv_L_U" x="1696" y="416" name="inst_0757D9BF" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_wall_inv_L_U" x="1760" y="384" name="inst_03D1FF02" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_wall_inv_L_U" x="1824" y="352" name="inst_27FD308F" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_wall_inv_L_D" x="1888" y="320" name="inst_03F80D9F" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_wall_inv_L_D" x="1920" y="352" name="inst_7A2455F2" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_wall_inv_L_D" x="1952" y="384" name="inst_6A98910A" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_wall_inv_L_D" x="1984" y="416" name="inst_A4CEE3D7" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_wall_inv_R_U" x="1888" y="352" name="inst_D3533DB6" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_wall_inv_R_U" x="1920" y="384" name="inst_522394D8" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_wall_inv_R_U" x="1952" y="416" name="inst_F180DC5F" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_lock_blue" x="1984" y="448" name="inst_01AC7A66" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_wall_inv" x="2240" y="32" name="inst_1D687259" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_wall_inv" x="2240" y="64" name="inst_E1EB598B" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_wall_inv" x="2240" y="96" name="inst_BEC55BDB" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_wall_inv" x="2272" y="128" name="inst_065A4EA8" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_wall_inv" x="2304" y="128" name="inst_BD21AE8F" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_wall_inv" x="2336" y="128" name="inst_C8D65E30" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_wall_inv" x="2368" y="128" name="inst_5EFBF250" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_wall_inv_R_U" x="2240" y="128" name="inst_A245FEEC" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_bott_blue" x="2272" y="96" name="inst_1F632D61" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_chiave_blue" x="2368" y="96" name="inst_EB276FCF" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_wall_inv_L_D" x="2368" y="448" name="inst_150121A5" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_wall_inv_L_D" x="2336" y="416" name="inst_A7A271B4" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_wall_inv_L_D" x="2304" y="384" name="inst_83F0AE0A" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_wall_inv_R_D" x="2272" y="384" name="inst_7B0F1DBE" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_wall_inv_R_D" x="2240" y="416" name="inst_0B284EE1" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_wall_inv_R_D" x="2208" y="448" name="inst_0BCCC64A" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_wall_inv_L_U" x="2208" y="480" name="inst_B64EC204" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_wall_inv_L_U" x="2240" y="448" name="inst_4F4A748D" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_wall_inv_L_U" x="2272" y="416" name="inst_AE721F4B" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_wall_inv_R_U" x="2304" y="416" name="inst_0BB17C4B" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_wall_inv_R_U" x="2336" y="448" name="inst_F8B572EE" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_wall_inv_R_U" x="2368" y="480" name="inst_3E4E7ABF" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_lock_green" x="896" y="416" name="inst_8715FBD3" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_lock_green" x="896" y="448" name="inst_3AB8BCC8" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_bott_green" x="96" y="448" name="inst_4C3D251E" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
+    <instance objName="o_chiave_green" x="192" y="448" name="inst_413F55D6" locked="0" code="" scaleX="1" scaleY="1" colour="4294967295" rotation="0"/>
   </instances>
   <tiles/>
   <PhysicsWorld>-1</PhysicsWorld>