diff --git a/backend/src/langs.ts b/backend/src/langs.ts
index 5629988..bae6bbb 100644
--- a/backend/src/langs.ts
+++ b/backend/src/langs.ts
@@ -2225,6 +2225,9 @@ binding_irb.run(IRB.conf)
     repl: "scilab-cli",
     main: "main.sci",
     run: "scilab-cli -f main.sci",
+    scope: {
+      code: `x = 123 * 234`,
+    },
     template: `disp("Hello, world!")
 `,
     skip: ["repl", "runrepl"],
@@ -2383,6 +2386,19 @@ Ophelia:
 `,
     timeout: 15,
   },
+  slang: {
+    aliases: ["s", "sl"],
+    name: "S-Lang",
+    repl: "slsh",
+    input: "123 * 234;",
+    main: "main.sl",
+    run: "slsh -i main.sl",
+    scope: {
+      code: "x = 123 * 234;",
+    },
+    template: `message("Hello, world!");
+`
+  },
   smalltalk: {
     aliases: ["gst", "st"],
     name: "Smalltalk",
diff --git a/scripts/docker-install-phase3d.bash b/scripts/docker-install-phase3d.bash
index 63a8332..151d24f 100755
--- a/scripts/docker-install-phase3d.bash
+++ b/scripts/docker-install-phase3d.bash
@@ -12,6 +12,9 @@ liblua_name="$(grep-aptavail -eF Package "liblua[0-9.]+-dev" -a -XF Version "${l
 
 packages="
 
+# S-Lang
+slsh
+
 # Scala
 scala