diff --git a/ftl/core/deck-config.ftl b/ftl/core/deck-config.ftl
index d21b005eb..58b58cab2 100644
--- a/ftl/core/deck-config.ftl
+++ b/ftl/core/deck-config.ftl
@@ -122,8 +122,11 @@ deck-config-review-sort-order-tooltip =
     The default order prioritizes cards that have been waiting longest, so that
     if you have a backlog of reviews, the longest-waiting ones will appear
     first. If you have a large backlog that will take more than a few days to
-    clear, you may find the alternate sort orders preferable.
+    clear, or wish to see cards in subdeck order, you may find the alternate
+    sort orders preferable.
 deck-config-sort-order-due-date-then-random = Due date, then random
+deck-config-sort-order-due-date-then-deck = Due date, then deck
+deck-config-sort-order-deck-then-due-date = Deck, then due date
 deck-config-sort-order-ascending-intervals = Ascending intervals
 deck-config-sort-order-descending-intervals = Descending intervals
 
diff --git a/rslib/backend.proto b/rslib/backend.proto
index 0b8e33631..96444d3c7 100644
--- a/rslib/backend.proto
+++ b/rslib/backend.proto
@@ -329,9 +329,11 @@ message DeckConfig {
       NEW_CARD_SORT_ORDER_RANDOM = 3;
     }
     enum ReviewCardOrder {
-      REVIEW_CARD_ORDER_DAY_THEN_RANDOM = 0;
-      REVIEW_CARD_ORDER_INTERVALS_ASCENDING = 1;
-      REVIEW_CARD_ORDER_INTERVALS_DESCENDING = 2;
+      REVIEW_CARD_ORDER_DAY = 0;
+      REVIEW_CARD_ORDER_DAY_THEN_DECK = 1;
+      REVIEW_CARD_ORDER_DECK_THEN_DAY = 2;
+      REVIEW_CARD_ORDER_INTERVALS_ASCENDING = 3;
+      REVIEW_CARD_ORDER_INTERVALS_DESCENDING = 4;
       // REVIEW_CARD_ORDER_RELATIVE_OVERDUE = 3;
     }
     enum ReviewMix {
diff --git a/rslib/src/deckconfig/mod.rs b/rslib/src/deckconfig/mod.rs
index 46f40d97d..356881b6f 100644
--- a/rslib/src/deckconfig/mod.rs
+++ b/rslib/src/deckconfig/mod.rs
@@ -64,7 +64,7 @@ impl Default for DeckConfig {
                 new_card_insert_order: NewCardInsertOrder::Due as i32,
                 new_card_gather_priority: NewCardGatherPriority::Deck as i32,
                 new_card_sort_order: NewCardSortOrder::TemplateThenDue as i32,
-                review_order: ReviewCardOrder::DayThenRandom as i32,
+                review_order: ReviewCardOrder::Day as i32,
                 new_mix: ReviewMix::MixWithReviews as i32,
                 interday_learning_mix: ReviewMix::MixWithReviews as i32,
                 leech_action: LeechAction::TagOnly as i32,
diff --git a/rslib/src/scheduler/queue/builder/sorting.rs b/rslib/src/scheduler/queue/builder/sorting.rs
index 1f6c3697e..89dc678e5 100644
--- a/rslib/src/scheduler/queue/builder/sorting.rs
+++ b/rslib/src/scheduler/queue/builder/sorting.rs
@@ -32,7 +32,7 @@ impl QueueBuilder {
         self.day_learning.sort_unstable_by(day_then_hash);
 
         // other sorting is done in SQL
-        if self.sort_options.review_order == ReviewCardOrder::DayThenRandom {
+        if self.sort_options.review_order == ReviewCardOrder::Day {
             self.review.iter_mut().for_each(DueCard::hash_id_and_mtime);
             self.review.sort_unstable_by(day_then_hash);
         }
diff --git a/rslib/src/storage/card/mod.rs b/rslib/src/storage/card/mod.rs
index c16bbd409..45e87ec2a 100644
--- a/rslib/src/storage/card/mod.rs
+++ b/rslib/src/storage/card/mod.rs
@@ -200,12 +200,18 @@ impl super::SqliteStorage {
         F: FnMut(CardQueue, DueCard) -> bool,
     {
         let order_clause = match order {
-            ReviewCardOrder::DayThenRandom => "order by due",
-            ReviewCardOrder::IntervalsAscending => "order by ivl asc",
-            ReviewCardOrder::IntervalsDescending => "order by ivl desc",
+            ReviewCardOrder::Day => "due",
+            ReviewCardOrder::DayThenDeck => {
+                "due, (select rowid from active_decks ad where ad.id = did)"
+            }
+            ReviewCardOrder::DeckThenDay => {
+                "(select rowid from active_decks ad where ad.id = did), due"
+            }
+            ReviewCardOrder::IntervalsAscending => "ivl asc",
+            ReviewCardOrder::IntervalsDescending => "ivl desc",
         };
         let mut stmt = self.db.prepare_cached(&format!(
-            "{} {}",
+            "{} order by {}",
             include_str!("due_cards.sql"),
             order_clause
         ))?;
diff --git a/ts/deckoptions/DisplayOrder.svelte b/ts/deckoptions/DisplayOrder.svelte
index d06e9a5ff..a93bf9ca1 100644
--- a/ts/deckoptions/DisplayOrder.svelte
+++ b/ts/deckoptions/DisplayOrder.svelte
@@ -25,6 +25,8 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
     ];
     const reviewOrderChoices = [
         tr.deckConfigSortOrderDueDateThenRandom(),
+        tr.deckConfigSortOrderDueDateThenDeck(),
+        tr.deckConfigSortOrderDeckThenDueDate(),
         tr.deckConfigSortOrderAscendingIntervals(),
         tr.deckConfigSortOrderDescendingIntervals(),
     ];