diff --git a/Makefile b/Makefile
index 85c7690d..e5fccf53 100644
--- a/Makefile
+++ b/Makefile
@@ -6,6 +6,11 @@ all:
 	cd dos33fs-utils && make
 	cd hgr-utils && make
 	cd gr-utils && make
+	cd mode7 && make
+	cd mode7_demo && make
+	cd still_alive && make
+	cd tfv && make
+	cd two-liners && make
 
 install:
 	cd asoft_basic-utils && make install
@@ -13,6 +18,11 @@ install:
 	cd dos33fs-utils && make install
 	cd hgr-utils && make install
 	cd gr-utils && make install
+	cd mode7 && make install
+	cd mode7_demo && make install
+	cd still_alive && make install
+	cd tfv && make install
+	cd two-liners && make install
 
 clean:
 	cd asoft_basic-utils && make clean
@@ -20,6 +30,11 @@ clean:
 	cd dos33fs-utils && make clean
 	cd hgr-utils && make clean
 	cd gr-utils && make clean
+	cd mode7 && make clean
+	cd mode7_demo && make clean
+	cd still_alive && make clean
+	cd tfv && make clean
+	cd two-liners && make clean
 	rm -f *~
 
 test:
diff --git a/mode7_demo/Makefile b/mode7_demo/Makefile
index 40e503f2..3a9884f3 100644
--- a/mode7_demo/Makefile
+++ b/mode7_demo/Makefile
@@ -58,4 +58,4 @@ mode7_demo_backgrounds.inc:	$(PNG2RLE) \
 
 clean:	
 	rm -f *~ *.o MODE7_DEMO MODE7_DEMO_C MODE7_DEMO.lz4 *.lst
-
+	cd docs && make clean
diff --git a/still_alive/Makefile b/still_alive/Makefile
index 78d5d1c6..d6ccd692 100644
--- a/still_alive/Makefile
+++ b/still_alive/Makefile
@@ -61,3 +61,4 @@ TITLE.BAS:	title.bas
 
 clean:	
 	rm -f *~ *.o *.lz4 *.lst STILL_ALIVE SA_ED ENDING SA_COMPRESSED
+	cd art && make clean
diff --git a/two-liners/ENTROPY.BAS b/two-liners/ENTROPY.BAS
new file mode 100644
index 00000000..d314dd8e
Binary files /dev/null and b/two-liners/ENTROPY.BAS differ