diff --git a/du8/LICENSE b/du8/LICENSE
new file mode 100644
index 0000000..39d1664
--- /dev/null
+++ b/du8/LICENSE
@@ -0,0 +1,29 @@
+BSD 3-Clause License
+
+Copyright (c) 2019, Daniel Hládek
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+* Neither the name of the copyright holder nor the names of its
+  contributors may be used to endorse or promote products derived from
+  this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/du8/Makefile b/du8/Makefile
index 355f24f..920bee8 100644
--- a/du8/Makefile
+++ b/du8/Makefile
@@ -2,18 +2,20 @@ CC=gcc
 CFLAGS=-Wall -std=c99 -g
 OBJS=main.o game.o world.o
 
+all: game
+
 game: $(OBJS)
-	$(CC) $(CFLAGS) $(OBJS) -lncurses -o game
+    $(CC) $(CFLAGS) $(OBJS) -lncurses -o game
 
 main.o: main.c game.h world.h
-	$(CC) $(CFLAGS) -c main.c
+    $(CC) $(CFLAGS) -c main.c
 
 game.o: game.c game.h world.h
-	$(CC) $(CFLAGS) -c game.c
+    $(CC) $(CFLAGS) -c game.c
 
 world.o: world.c world.h
-	$(CC) $(CFLAGS) -c world.c
+    $(CC) $(CFLAGS) -c world.c
 
 clean:
-	rm -f *.o game
+    rm -f *.o game