diff --git a/lang/en/game.php b/lang/en/game.php
index bd2fc6a..4161a0f 100755
--- a/lang/en/game.php
+++ b/lang/en/game.php
@@ -218,6 +218,8 @@ $string[ 'cryptex_maxtries'] = 'Max tries';
 $string[ 'cryptex_options'] = 'Cryptex options';
 $string[ 'gameclose'] = 'Close the game';
 $string[ 'gameopen'] = 'Open the game';
+$string[ 'gameopenclose'] = 'Open and close dates';
+$string[ 'gameopenclose_help'] = 'Students can only start their attempt(s) after the open time and they must complete their attempts before the close time.';
 $string[ 'grademethod'] = 'Grading method';
 $string[ 'hangman_allowspaces'] = 'Allow spaces in words';
 $string[ 'hangman_allowsub'] = 'Allow the symbol - in words';
diff --git a/locallib.php b/locallib.php
index 0285839..e821a56 100755
--- a/locallib.php
+++ b/locallib.php
@@ -1945,10 +1945,10 @@ function game_can_start_new_attempt( $game)
 
 function game_strlen( $str)
 {
-    if( game_get_moodle_version() < '02.03')
-        return textlib_get_instance()->strlen( $str);
-    else
+    if( game_get_moodle_version() >= '02.04')
         return textlib::strlen( $str);
+    else
+        return textlib_get_instance()->strlen( $str);
 }
 
 function game_substr()
@@ -1958,32 +1958,34 @@ function game_substr()
 
     if( $num == 3)
     {
-        if( game_get_moodle_version() < '02.03')
-            return textlib_get_instance()->substr( $a[ 0], $a[ 1], $a[ 2]);
-        else
+        if( game_get_moodle_version() >= '02.04')
             return textlib::substr( $a[ 0], $a[ 1], $a[ 2]);
+        else
+            return textlib_get_instance()->substr( $a[ 0], $a[ 1], $a[ 2]);
     }else if( $num == 2)
     {
-        if( game_get_moodle_version() < '02.03')
-            return textlib_get_instance()->substr( $a[ 0], $a[ 1]);
-        else
+        if( game_get_moodle_version() >= '02.04')
             return textlib::substr( $a[ 0], $a[ 1]);
+        else
+            return textlib_get_instance()->substr( $a[ 0], $a[ 1]);
     }else
         die( 'Substr requires 2 or 3 parameters');
 }
 
 function game_strtoupper( $str)
 {
-    if( game_get_moodle_version() < '02.03')
+    if( game_get_moodle_version() >= '02.04')
+        return textlib::strtoupper( $str);
+    else if( game_get_moodle_version() >= '02.01')
         return textlib_get_instance()->strtoupper( $str);
     else
-        return textlib::strtoupper( $str);
+        return textlib_get_instance()->qstrtoupper( $str);
 }
 
 function game_strpos( $haystack, $needle, $offset = 0)
 {
-    if( game_get_moodle_version() < '02.03')
-        return textlib_get_instance()->strpos( $haystack, $needle, $offset);
-    else
+    if( game_get_moodle_version() >= '02.04')
         return textlib::strpos( $haystack, $needle, $offset);
+    else
+        return textlib_get_instance()->strpos( $haystack, $needle, $offset);
 }
diff --git a/mod_form.php b/mod_form.php
index 487cd63..505f620 100755
--- a/mod_form.php
+++ b/mod_form.php
@@ -179,7 +179,7 @@ class mod_game_mod_form extends moodleform_mod {
         // Open and close dates.
         $mform->addElement('date_time_selector', 'timeopen', get_string('gameopen', 'game'),
                 array('optional' => true, 'step' => 1));
-        $mform->addHelpButton('timeopen', 'quizopenclose', 'quiz');
+        $mform->addHelpButton('timeopen', 'gameopenclose', 'game');
 
         $mform->addElement('date_time_selector', 'timeclose', get_string('gameclose', 'game'),
                 array('optional' => true, 'step' => 1));              
diff --git a/version.php b/version.php
index d0fcedf..48ae58c 100755
--- a/version.php
+++ b/version.php
@@ -11,7 +11,7 @@
 defined('MOODLE_INTERNAL') || die();
 
 $module->component = 'mod_game';  // Full name of the plugin (used for diagnostics)
-$module->version   = 2013082404;  // The current module version (Date: YYYYMMDDXX)
+$module->version   = 2013082405;  // The current module version (Date: YYYYMMDDXX)
 $module->requires  = 2010112400;  // Requires Moodle 2.0
 $module->cron      = 0;           // Period for cron to check this module (secs)
-$module->release   = '3.8.24.4';
+$module->release   = '3.8.24.5';