diff --git a/exercises/secret-handshake/src/main/kotlin/HandshakeCalculator.kt b/exercises/secret-handshake/src/main/kotlin/HandshakeCalculator.kt
new file mode 100644
index 00000000..24e7cf9b
--- /dev/null
+++ b/exercises/secret-handshake/src/main/kotlin/HandshakeCalculator.kt
@@ -0,0 +1,5 @@
+object HandshakeCalculator {
+    fun calculateHandshake(number: Int): List<Signal> {
+        TODO("Implement the function to complete the task")
+    }
+}
diff --git a/exercises/two-fer/src/main/kotlin/Twofer.kt b/exercises/two-fer/src/main/kotlin/Twofer.kt
new file mode 100644
index 00000000..ab376f29
--- /dev/null
+++ b/exercises/two-fer/src/main/kotlin/Twofer.kt
@@ -0,0 +1,3 @@
+internal fun twofer(name: String): String {
+    TODO("Implement the function to complete the task")
+}