diff --git a/lib/WeBWorK/AchievementItems.pm b/lib/WeBWorK/AchievementItems.pm
index a9ad736516..3ee7e5b5ec 100644
--- a/lib/WeBWorK/AchievementItems.pm
+++ b/lib/WeBWorK/AchievementItems.pm
@@ -80,7 +80,7 @@ sub UserItems ($c, $userName, $set, $records) {
 			push(@items, $achievementItem);
 			next;
 		}
-		next unless $achievementItem->can_use($set, $records);
+		next unless $achievementItem->can_use($set, $records, $c);
 
 		# Use the achievement item.
 		if ($use_item_id eq $item) {
@@ -104,7 +104,7 @@ sub UserItems ($c, $userName, $set, $records) {
 		my @new_items;
 		for (@items) {
 			my $item = $_->[0];
-			next unless $item->{count} && $item->can_use($set, $records);
+			next unless $item->{count} && $item->can_use($set, $records, $c);
 			push(@new_items, [ $item, $item->print_form($set, $records, $c) ]);
 		}
 		return \@new_items;
diff --git a/lib/WeBWorK/AchievementItems/AddNewTestGW.pm b/lib/WeBWorK/AchievementItems/AddNewTestGW.pm
index 9eadafbe69..8204d8d0ab 100644
--- a/lib/WeBWorK/AchievementItems/AddNewTestGW.pm
+++ b/lib/WeBWorK/AchievementItems/AddNewTestGW.pm
@@ -17,7 +17,7 @@ sub new ($class) {
 	}, $class;
 }
 
-sub can_use ($self, $set, $records) {
+sub can_use ($self, $set, $records, $c) {
 	return
 		$set->assignment_type =~ /gateway/
 		&& $set->set_id !~ /,v\d+$/
diff --git a/lib/WeBWorK/AchievementItems/DoubleProb.pm b/lib/WeBWorK/AchievementItems/DoubleProb.pm
index 15ca7dc072..296f5c17a2 100644
--- a/lib/WeBWorK/AchievementItems/DoubleProb.pm
+++ b/lib/WeBWorK/AchievementItems/DoubleProb.pm
@@ -14,7 +14,7 @@ sub new ($class) {
 	}, $class;
 }
 
-sub can_use ($self, $set, $records) {
+sub can_use ($self, $set, $records, $c) {
 	return $set->assignment_type eq 'default' && after($set->open_date);
 }
 
diff --git a/lib/WeBWorK/AchievementItems/DoubleSet.pm b/lib/WeBWorK/AchievementItems/DoubleSet.pm
index b91629f717..aa85bf2b01 100644
--- a/lib/WeBWorK/AchievementItems/DoubleSet.pm
+++ b/lib/WeBWorK/AchievementItems/DoubleSet.pm
@@ -14,7 +14,7 @@ sub new ($class) {
 	}, $class;
 }
 
-sub can_use ($self, $set, $records) {
+sub can_use ($self, $set, $records, $c) {
 	return $set->assignment_type eq 'default' && after($set->open_date);
 }
 
diff --git a/lib/WeBWorK/AchievementItems/DuplicateProb.pm b/lib/WeBWorK/AchievementItems/DuplicateProb.pm
index 20c90d726d..d5fb9e0e9c 100644
--- a/lib/WeBWorK/AchievementItems/DuplicateProb.pm
+++ b/lib/WeBWorK/AchievementItems/DuplicateProb.pm
@@ -14,7 +14,7 @@ sub new ($class) {
 	}, $class;
 }
 
-sub can_use ($self, $set, $records) {
+sub can_use ($self, $set, $records, $c) {
 	return $set->assignment_type eq 'default' && between($set->open_date, $set->due_date);
 }
 
diff --git a/lib/WeBWorK/AchievementItems/ExtendDueDate.pm b/lib/WeBWorK/AchievementItems/ExtendDueDate.pm
index ed355a6e21..a141e29675 100644
--- a/lib/WeBWorK/AchievementItems/ExtendDueDate.pm
+++ b/lib/WeBWorK/AchievementItems/ExtendDueDate.pm
@@ -19,7 +19,7 @@ sub new ($class) {
 	}, $class;
 }
 
-sub can_use ($self, $set, $records) {
+sub can_use ($self, $set, $records, $c) {
 	return $set->assignment_type eq 'default' && between($set->open_date, $set->due_date + ONE_DAY);
 }
 
diff --git a/lib/WeBWorK/AchievementItems/ExtendDueDateGW.pm b/lib/WeBWorK/AchievementItems/ExtendDueDateGW.pm
index c2310c47b1..ced050a6a0 100644
--- a/lib/WeBWorK/AchievementItems/ExtendDueDateGW.pm
+++ b/lib/WeBWorK/AchievementItems/ExtendDueDateGW.pm
@@ -16,7 +16,7 @@ sub new ($class) {
 	}, $class;
 }
 
-sub can_use ($self, $set, $records) {
+sub can_use ($self, $set, $records, $c) {
 	return
 		$set->assignment_type =~ /gateway/
 		&& $set->set_id !~ /,v\d+$/
diff --git a/lib/WeBWorK/AchievementItems/ExtendReducedDate.pm b/lib/WeBWorK/AchievementItems/ExtendReducedDate.pm
index 7c24c0d4b8..f9422baf43 100644
--- a/lib/WeBWorK/AchievementItems/ExtendReducedDate.pm
+++ b/lib/WeBWorK/AchievementItems/ExtendReducedDate.pm
@@ -20,9 +20,10 @@ sub new ($class) {
 	}, $class;
 }
 
-sub can_use ($self, $set, $records) {
+sub can_use ($self, $set, $records, $c) {
 	return 0
 		unless $set->assignment_type eq 'default'
+		&& $c->ce->{pg}{ansEvalDefaults}{enableReducedScoring}
 		&& $set->enable_reduced_scoring
 		&& $set->reduced_scoring_date
 		&& $set->reduced_scoring_date < $set->due_date;
diff --git a/lib/WeBWorK/AchievementItems/FullCreditProb.pm b/lib/WeBWorK/AchievementItems/FullCreditProb.pm
index 50e15639b5..1645c92c19 100644
--- a/lib/WeBWorK/AchievementItems/FullCreditProb.pm
+++ b/lib/WeBWorK/AchievementItems/FullCreditProb.pm
@@ -14,7 +14,7 @@ sub new ($class) {
 	}, $class;
 }
 
-sub can_use ($self, $set, $records) {
+sub can_use ($self, $set, $records, $c) {
 	return 0
 		unless $set->assignment_type eq 'default'
 		&& after($set->open_date);
diff --git a/lib/WeBWorK/AchievementItems/FullCreditSet.pm b/lib/WeBWorK/AchievementItems/FullCreditSet.pm
index 6c9065fa48..fa025c339f 100644
--- a/lib/WeBWorK/AchievementItems/FullCreditSet.pm
+++ b/lib/WeBWorK/AchievementItems/FullCreditSet.pm
@@ -14,7 +14,7 @@ sub new ($class) {
 	}, $class;
 }
 
-sub can_use ($self, $set, $records) {
+sub can_use ($self, $set, $records, $c) {
 	return 0
 		unless $set->assignment_type eq 'default'
 		&& after($set->open_date);
diff --git a/lib/WeBWorK/AchievementItems/HalfCreditProb.pm b/lib/WeBWorK/AchievementItems/HalfCreditProb.pm
index 073c09ea83..26ec5545db 100644
--- a/lib/WeBWorK/AchievementItems/HalfCreditProb.pm
+++ b/lib/WeBWorK/AchievementItems/HalfCreditProb.pm
@@ -14,7 +14,7 @@ sub new ($class) {
 	}, $class;
 }
 
-sub can_use ($self, $set, $records) {
+sub can_use ($self, $set, $records, $c) {
 	return 0
 		unless $set->assignment_type eq 'default'
 		&& after($set->open_date);
diff --git a/lib/WeBWorK/AchievementItems/HalfCreditSet.pm b/lib/WeBWorK/AchievementItems/HalfCreditSet.pm
index 3f49e53a61..eb6861c9f1 100644
--- a/lib/WeBWorK/AchievementItems/HalfCreditSet.pm
+++ b/lib/WeBWorK/AchievementItems/HalfCreditSet.pm
@@ -14,7 +14,7 @@ sub new ($class) {
 	}, $class;
 }
 
-sub can_use ($self, $set, $records) {
+sub can_use ($self, $set, $records, $c) {
 	return 0
 		unless $set->assignment_type eq 'default'
 		&& after($set->open_date);
diff --git a/lib/WeBWorK/AchievementItems/NoReducedCred.pm b/lib/WeBWorK/AchievementItems/NoReducedCred.pm
index d0e034eab2..bc46b3601b 100644
--- a/lib/WeBWorK/AchievementItems/NoReducedCred.pm
+++ b/lib/WeBWorK/AchievementItems/NoReducedCred.pm
@@ -18,9 +18,10 @@ sub new ($class) {
 	}, $class;
 }
 
-sub can_use ($self, $set, $records) {
+sub can_use ($self, $set, $records, $c) {
 	return
 		$set->assignment_type eq 'default'
+		&& $c->ce->{pg}{ansEvalDefaults}{enableReducedScoring}
 		&& $set->enable_reduced_scoring
 		&& $set->reduced_scoring_date
 		&& $set->reduced_scoring_date < $set->due_date
diff --git a/lib/WeBWorK/AchievementItems/ReducedCred.pm b/lib/WeBWorK/AchievementItems/ReducedCred.pm
index 340d960815..0a2349c9fc 100644
--- a/lib/WeBWorK/AchievementItems/ReducedCred.pm
+++ b/lib/WeBWorK/AchievementItems/ReducedCred.pm
@@ -21,7 +21,7 @@ sub new ($class) {
 	}, $class;
 }
 
-sub can_use ($self, $set, $records) {
+sub can_use ($self, $set, $records, $c) {
 	return $set->assignment_type eq 'default' && between($set->open_date, $set->due_date + ONE_DAY);
 }
 
diff --git a/lib/WeBWorK/AchievementItems/ResetIncorrectAttempts.pm b/lib/WeBWorK/AchievementItems/ResetIncorrectAttempts.pm
index cd0ef5a330..94a7c7b83c 100644
--- a/lib/WeBWorK/AchievementItems/ResetIncorrectAttempts.pm
+++ b/lib/WeBWorK/AchievementItems/ResetIncorrectAttempts.pm
@@ -14,7 +14,7 @@ sub new ($class) {
 	}, $class;
 }
 
-sub can_use ($self, $set, $records) {
+sub can_use ($self, $set, $records, $c) {
 	return 0
 		unless $set->assignment_type eq 'default'
 		&& between($set->open_date, $set->due_date);
diff --git a/lib/WeBWorK/AchievementItems/ResurrectGW.pm b/lib/WeBWorK/AchievementItems/ResurrectGW.pm
index 2a48181005..bbd93b419f 100644
--- a/lib/WeBWorK/AchievementItems/ResurrectGW.pm
+++ b/lib/WeBWorK/AchievementItems/ResurrectGW.pm
@@ -13,26 +13,74 @@ sub new ($class) {
 		id          => 'ResurrectGW',
 		name        => x('Necromancers Charm'),
 		description => x(
-			'Reopens any test for an additional 24 hours. This allows you to take a test even if the '
-				. 'close date has past. This item does not allow you to take additional versions of the test.'
+			'Reopens any test for an additional 24 hours. If you are allowed to start new versions of the test, '
+				. 'then this allows you to start a new test even if the close date has past. '
+				. 'If you were not allowed to start a new version of the test, '
+				. 'then this item will not allow you to take additional versions of the test. '
+				. 'This item will not extend the time limit for any tests that you have already started.'
 		)
 	}, $class;
 }
 
-sub can_use ($self, $set, $records) {
+sub can_use ($self, $set, $records, $c) {
 	return $set->assignment_type =~ /gateway/
-		&& (after($set->due_date) || ($set->reduced_scoring_date && after($set->reduced_scoring_date)));
+		&& (
+			after($set->due_date)
+			|| ($c->ce->{pg}{ansEvalDefaults}{enableReducedScoring}
+				&& $set->enable_reduced_scoring
+				&& after($set->reduced_scoring_date))
+		);
 	# TODO: Check if a new version can be created, and only allow using this reward in that case.
 }
 
 sub print_form ($self, $set, $records, $c) {
-	return $c->tag(
-		'p',
-		$c->maketext(
-			'Reopen this test for the next 24 hours. This item does not allow you to take any additional '
-				. 'versions of the test.'
-		)
-	);
+	if (after($set->due_date)) {
+		return $c->tag(
+			'p',
+			$c->maketext(
+				'Reopen this test for the next 24 hours. If you were allowed to start new versions of the test, '
+					. 'then this will allow you to start a new test. '
+					. 'If you have already started all of the versions of the test that you are allowed to start, '
+					. 'then you should not use this item. '
+					. 'This item will not extend the time limit for any tests that you have already started.'
+			)
+		);
+	} else {
+		if (after($set->due_date - ONE_DAY)) {
+			return $c->tag(
+				'p',
+				$c->maketext(
+					'Reopen this test for full credit for the next 24 hours. If you are allowed to start new versions '
+						. 'of the test, then this will allow you to start a new test. '
+						. 'If you have already started all of the versions of the test that you are allowed to start, '
+						. 'then you should not use this item. '
+						. 'This item will not extend the time limit for any tests that you have already started.'
+				)
+			);
+		} else {
+			return $c->c(
+				$c->tag(
+					'p',
+					$c->maketext(
+						'Reopen this test for full credit for the next 24 hours.  After 24 hours any tests will revert '
+							. 'to counting for [_1]% of their value until [_2].',
+						$c->ce->{pg}{ansEvalDefaults}{reducedScoringValue} * 100,
+						$c->formatDateTime($set->due_date, $c->ce->{studentDateDisplayFormat})
+					)
+				),
+				$c->tag(
+					'p',
+					$c->maketext(
+						' If you are allowed to start new versions of the test, '
+							. 'then this will allow you to start a new test. '
+							. 'If you have already started all of the versions of the test that you are allowed to start, '
+							. 'then you should not use this item. '
+							. 'This item will not extend the time limit for any tests that you have already started.'
+					)
+				)
+			)->join('');
+		}
+	}
 }
 
 sub use_item ($self, $set, $records, $c) {
@@ -44,18 +92,33 @@ sub use_item ($self, $set, $records, $c) {
 		$set->reduced_scoring_date(time + ONE_DAY);
 		$userSet->reduced_scoring_date($set->reduced_scoring_date);
 	}
-	$set->due_date(time + ONE_DAY);
-	$userSet->due_date($set->due_date);
-	if ($set->due_date > $set->answer_date) {
-		$set->answer_date(time + ONE_DAY);
-		$userSet->answer_date($set->answer_date);
+	if (after($set->due_date - ONE_DAY)) {
+		$set->due_date(time + ONE_DAY);
+		$userSet->due_date($set->due_date);
+		if ($set->due_date > $set->answer_date) {
+			$set->answer_date($set->due_date);
+			$userSet->answer_date($set->answer_date);
+		}
 	}
 	$db->putUserSet($userSet);
 
-	return $c->maketext(
-		'This assignment has been reopened and will now close on [_1].',
-		$c->formatDateTime($set->due_date, $c->ce->{studentDateDisplayFormat})
-	);
+	if ($c->ce->{pg}{ansEvalDefaults}{enableReducedScoring}
+		&& $set->enable_reduced_scoring
+		&& ($set->reduced_scoring_date != $set->due_date))
+	{
+		return $c->maketext(
+			'This assignment has been reopened and is due on [_1].  After that date any work '
+				. 'completed will count for [_2]% of its value until [_3].',
+			$c->formatDateTime($set->reduced_scoring_date, $c->ce->{studentDateDisplayFormat}),
+			$c->ce->{pg}{ansEvalDefaults}{reducedScoringValue} * 100,
+			$c->formatDateTime($set->due_date, $c->ce->{studentDateDisplayFormat})
+		);
+	} else {
+		return $c->maketext(
+			'This assignment has been reopened and will now close on [_1].',
+			$c->formatDateTime($set->due_date, $c->ce->{studentDateDisplayFormat})
+		);
+	}
 }
 
 1;
diff --git a/lib/WeBWorK/AchievementItems/ResurrectHW.pm b/lib/WeBWorK/AchievementItems/ResurrectHW.pm
index c237b737f4..4c5e9e862d 100644
--- a/lib/WeBWorK/AchievementItems/ResurrectHW.pm
+++ b/lib/WeBWorK/AchievementItems/ResurrectHW.pm
@@ -16,28 +16,58 @@ sub new ($class) {
 	}, $class;
 }
 
-sub can_use ($self, $set, $records) {
+sub can_use ($self, $set, $records, $c) {
 	return $set->assignment_type eq 'default'
-		&& (after($set->due_date) || ($set->reduced_scoring_date && after($set->reduced_scoring_date)));
+		&& (
+			after($set->due_date)
+			|| ($c->ce->{pg}{ansEvalDefaults}{enableReducedScoring}
+				&& $set->enable_reduced_scoring
+				&& after($set->reduced_scoring_date))
+		);
 }
 
 sub print_form ($self, $set, $records, $c) {
-	return $c->tag('p',
-		$c->maketext('Reopen this homework assignment for the next 24 hours. All problems will be rerandomized.'));
+	if (after($set->due_date)) {
+		return $c->tag(
+			'p',
+			$c->maketext(
+				'Reopen this homework assignment for the next 24 hours. All problems will be rerandomized.')
+		);
+	} else {
+		if (after($set->due_date - ONE_DAY)) {
+			return $c->tag('p',
+				$c->maketext('Reopen this homework assignment for full credit for the next 24 hours. '));
+		} else {
+			return $c->tag(
+				'p',
+				$c->maketext(
+					'Reopen this homework assignment for full credit for the next 24 hours. After 24 hours '
+						. 'any progress will revert to counting for [_1]% of the value until [_2].',
+					$c->ce->{pg}{ansEvalDefaults}{reducedScoringValue} * 100,
+					$c->formatDateTime($set->due_date, $c->ce->{studentDateDisplayFormat})
+				)
+			);
+		}
+	}
 }
 
 sub use_item ($self, $set, $records, $c) {
-	my $db      = $c->db;
-	my $userSet = $db->getUserSet($set->user_id, $set->set_id);
-
-	# Change the seed for all of the problems since the set is currently closed.
-	my %userProblems =
-		map { $_->problem_id => $_ } $db->getUserProblemsWhere({ user_id => $set->user_id, set_id => $set->set_id });
-	for my $problem (@$records) {
-		my $userProblem = $userProblems{ $problem->problem_id };
-		$userProblem->problem_seed($userProblem->problem_seed % 2**31 + 1);
-		$problem->problem_seed($userProblem->problem_seed);
-		$db->putUserProblem($userProblem);
+	my $db                 = $c->db;
+	my $userSet            = $db->getUserSet($set->user_id, $set->set_id);
+	my $rerandomizeMessage = '';
+
+	# Change the seed for all of the problems if the set is currently closed.
+	if (after($set->due_date)) {
+		my %userProblems =
+			map { $_->problem_id => $_ }
+			$db->getUserProblemsWhere({ user_id => $set->user_id, set_id => $set->set_id });
+		for my $problem (@$records) {
+			my $userProblem = $userProblems{ $problem->problem_id };
+			$userProblem->problem_seed($userProblem->problem_seed % 2**31 + 1);
+			$problem->problem_seed($userProblem->problem_seed);
+			$db->putUserProblem($userProblem);
+		}
+		$rerandomizeMessage = $c->maketext('Problems have been rerandomized.');
 	}
 
 	# Add time to the reduced scoring date if it was defined in the first place
@@ -45,19 +75,35 @@ sub use_item ($self, $set, $records, $c) {
 		$set->reduced_scoring_date(time + ONE_DAY);
 		$userSet->reduced_scoring_date($set->reduced_scoring_date);
 	}
-	# Add time to the close date
-	$set->due_date(time + ONE_DAY);
-	$userSet->due_date($set->due_date);
-	# This may require also extending the answer date.
-	if ($set->due_date > $set->answer_date) {
-		$set->answer_date($set->due_date);
-		$userSet->answer_date($set->answer_date);
+	# Add time to the close date if necessary
+	if (after($set->due_date - ONE_DAY)) {
+		$set->due_date(time + ONE_DAY);
+		$userSet->due_date($set->due_date);
+		# This may require also extending the answer date.
+		if ($set->due_date > $set->answer_date) {
+			$set->answer_date($set->due_date);
+			$userSet->answer_date($set->answer_date);
+		}
 	}
 	$db->putUserSet($userSet);
 
-	return $c->maketext(
-		'This assignment has been reopened and will now close on [_1]. Problems have been rerandomized.',
-		$c->formatDateTime($set->due_date, $c->ce->{studentDateDisplayFormat}));
+	if ($c->ce->{pg}{ansEvalDefaults}{enableReducedScoring}
+		&& $set->enable_reduced_scoring
+		&& ($set->reduced_scoring_date != $set->due_date))
+	{
+		return $c->maketext(
+			'This assignment has been reopened and is due on [_1].  After that date any work '
+				. 'completed will count for [_2]% of its value until [_3].',
+			$c->formatDateTime($set->reduced_scoring_date, $c->ce->{studentDateDisplayFormat}),
+			$c->ce->{pg}{ansEvalDefaults}{reducedScoringValue} * 100,
+			$c->formatDateTime($set->due_date, $c->ce->{studentDateDisplayFormat})
+		) . ($rerandomizeMessage ? " $rerandomizeMessage" : '');
+	} else {
+		return $c->maketext(
+			'This assignment has been reopened and will now close on [_1].',
+			$c->formatDateTime($set->due_date, $c->ce->{studentDateDisplayFormat})
+		) . ($rerandomizeMessage ? " $rerandomizeMessage" : '');
+	}
 }
 
 1;
diff --git a/lib/WeBWorK/AchievementItems/SuperExtendDueDate.pm b/lib/WeBWorK/AchievementItems/SuperExtendDueDate.pm
index 58d1760f22..61fcf7f4b1 100644
--- a/lib/WeBWorK/AchievementItems/SuperExtendDueDate.pm
+++ b/lib/WeBWorK/AchievementItems/SuperExtendDueDate.pm
@@ -19,7 +19,7 @@ sub new ($class) {
 	}, $class;
 }
 
-sub can_use ($self, $set, $records) {
+sub can_use ($self, $set, $records, $c) {
 	return $set->assignment_type eq 'default' && between($set->open_date, $set->due_date + TWO_DAYS);
 }
 
diff --git a/lib/WeBWorK/AchievementItems/SuperExtendReducedDate.pm b/lib/WeBWorK/AchievementItems/SuperExtendReducedDate.pm
index 8e5fa42c79..656b85d5ac 100644
--- a/lib/WeBWorK/AchievementItems/SuperExtendReducedDate.pm
+++ b/lib/WeBWorK/AchievementItems/SuperExtendReducedDate.pm
@@ -20,7 +20,7 @@ sub new ($class) {
 	}, $class;
 }
 
-sub can_use ($self, $set, $records) {
+sub can_use ($self, $set, $records, $c) {
 	return 0
 		unless $set->assignment_type eq 'default'
 		&& $set->enable_reduced_scoring
diff --git a/lib/WeBWorK/AchievementItems/Surprise.pm b/lib/WeBWorK/AchievementItems/Surprise.pm
index b598b75352..c3c4331a86 100644
--- a/lib/WeBWorK/AchievementItems/Surprise.pm
+++ b/lib/WeBWorK/AchievementItems/Surprise.pm
@@ -18,7 +18,7 @@ sub remaining_title ($self, $c) {
 	return $c->maketext($self->name);
 }
 
-sub can_use ($self, $set, $records) { return 1; }
+sub can_use ($self, $set, $records, $c) { return 1; }
 
 sub print_form ($self, $set, $records, $c) {
 	$self->{hideUseButton} = 1;