diff --git a/games/templates/cotton/icon/checkmark.html b/games/templates/cotton/icon/checkmark.html
new file mode 100644
index 0000000..5dc1e9c
--- /dev/null
+++ b/games/templates/cotton/icon/checkmark.html
@@ -0,0 +1,8 @@
+<svg xmlns="http://www.w3.org/2000/svg"
+     x="0px"
+     y="0px"
+     viewBox="0 0 48 48"
+     class="text-black dark:text-white w-4 h-4">
+    <path fill="currentColor" d="M 43.470703 8.9863281 A 1.50015 1.50015 0 0 0 42.439453 9.4394531 L 16.5 35.378906 L 5.5605469 24.439453 A 1.50015 1.50015 0 1 0 3.4394531 26.560547 L 15.439453 38.560547 A 1.50015 1.50015 0 0 0 17.560547 38.560547 L 44.560547 11.560547 A 1.50015 1.50015 0 0 0 43.470703 8.9863281 z">
+    </path>
+</svg>
diff --git a/games/urls.py b/games/urls.py
index 99c0367..edd5def 100644
--- a/games/urls.py
+++ b/games/urls.py
@@ -54,6 +54,11 @@ urlpatterns = [
         purchase.delete_purchase,
         name="delete_purchase",
     ),
+    path(
+        "purchase/<int:purchase_id>/finish",
+        purchase.finish_purchase,
+        name="finish_purchase",
+    ),
     path(
         "purchase/list",
         purchase.list_purchases,
diff --git a/games/views/purchase.py b/games/views/purchase.py
index 0ebddf3..d7c06d7 100644
--- a/games/views/purchase.py
+++ b/games/views/purchase.py
@@ -103,6 +103,15 @@ def list_purchases(request: HttpRequest) -> HttpResponse:
                         "cotton/button_group.html",
                         {
                             "buttons": [
+                                {
+                                    "href": reverse(
+                                        "finish_purchase", args=[purchase.pk]
+                                    ),
+                                    "slot": Icon("checkmark"),
+                                    "title": "Mark as finished",
+                                }
+                                if not purchase.date_finished
+                                else {},
                                 {
                                     "href": reverse(
                                         "drop_purchase", args=[purchase.pk]
@@ -223,6 +232,14 @@ def refund_purchase(request: HttpRequest, purchase_id: int) -> HttpResponse:
     return redirect("list_purchases")
 
 
+@login_required
+def finish_purchase(request: HttpRequest, purchase_id: int) -> HttpResponse:
+    purchase = get_object_or_404(Purchase, id=purchase_id)
+    purchase.date_finished = timezone.now()
+    purchase.save()
+    return redirect("list_purchases")
+
+
 def related_purchase_by_edition(request: HttpRequest) -> HttpResponse:
     edition_id = request.GET.get("edition")
     if not edition_id: