diff --git a/pkg/transpile/puzzle.go b/pkg/transpile/puzzle.go
index c02ff8f..984a295 100644
--- a/pkg/transpile/puzzle.go
+++ b/pkg/transpile/puzzle.go
@@ -21,6 +21,7 @@ import (
 	"github.com/spf13/afero"
 	"github.com/yuin/goldmark"
 	"github.com/yuin/goldmark/extension"
+	"github.com/yuin/goldmark/renderer/html"
 	"gopkg.in/yaml.v2"
 )
 
@@ -292,6 +293,9 @@ func (fp FsPuzzle) staticPuzzle() (StaticPuzzle, []byte, error) {
 			extension.Table,
 			extension.DefinitionList,
 		),
+		goldmark.WithRendererOptions(
+			html.WithUnsafe(),
+		),
 	)
 	md.Convert(bodyBuf.Bytes(), body)
 
diff --git a/pkg/transpile/puzzle_test.go b/pkg/transpile/puzzle_test.go
index 4779eef..0503ae9 100644
--- a/pkg/transpile/puzzle_test.go
+++ b/pkg/transpile/puzzle_test.go
@@ -108,8 +108,10 @@ func TestFsPuzzle(t *testing.T) {
 		t.Error(err)
 	}
 
-	if _, err := NewFsPuzzlePoints(catFs, 2).Puzzle(); err != nil {
+	if puzzle, err := NewFsPuzzlePoints(catFs, 2).Puzzle(); err != nil {
 		t.Error(err)
+	} else if !strings.Contains(puzzle.Pre.Body, "class=\"moo\"") {
+		t.Error("Raw HTML didn't make it through")
 	}
 
 	mkpuzzleDir := NewFsPuzzlePoints(catFs, 3)
diff --git a/pkg/transpile/testdata/static/2/puzzle.md b/pkg/transpile/testdata/static/2/puzzle.md
index 540b816..2b71ccc 100644
--- a/pkg/transpile/testdata/static/2/puzzle.md
+++ b/pkg/transpile/testdata/static/2/puzzle.md
@@ -23,3 +23,4 @@ This is a moth file, woo wo!
 * moo
 * squeak
 
+<span class="moo">a span tag</span>