or just
$ ./run_game.py
+
+Playing the game
+================
+
+
+Arrow keys move the hero
+
+'C' interacts with objects in the world you're standing on, and picks up items
+in the world
+
+'X' fires
+
+'Z' switches to the roach management screen, which allows you to use some of
+the items in the world, or switches back from the roach management window.
+
+'V' switches you in and out of vehicles.
+
+The roach management screen is mouse driven. Click on seats (the ovals on the
+left) to select them. Click of the cockroaches on the right to add them to the
+seats.
+
+Serums can be applied by clicking on them in the inventory. Serums increase your
+stats (strength, speed and intelligence). Currently only intelligence is useful
+as it controls which keypads you can open.
+
+Your health is dependant on the number of roaches you control. More roaches
+means more health. When you take damage, roaches may die and your health drops.
+
+ESC returns you to the main menu.