diff --git a/Makefile b/Makefile
index 049838d..7e9aeee 100644
--- a/Makefile
+++ b/Makefile
@@ -8,7 +8,7 @@ CLIENT_EXE := $(BUILD_DIR)/client/bettolac
 # Server path.
 SERVER_EXE := $(BUILD_DIR)/server/bettolas
 
-.PHONY: all build config runc runs clean
+.PHONY: all build config runc sp runs clean
 
 # Default target when running 'make'.
 all: build
@@ -25,6 +25,10 @@ runc: build
 	@echo "=== Running Bettola Client. ==="
 	@$(CLIENT_EXE)
 
+sp: build
+	@echo "=== Running Bettola Client (Single Player). ==="
+	@$(CLIENT_EXE) -sp
+
 runs: build
 	@echo "=== Running Bettola Server. ==="
 	@$(SERVER_EXE)