-5. Avoid large amounts of objects and badguys on the screen at once - your level might not
-be playable on slower machines.
-6. Don't make your levels too hard! Levels you built often appear a lot easier for
-yourself, so be sure to let other people test them.
+5. Avoid large amounts of objects and badguys on the screen at once as it greatly
+decreases playability. Also, your level might not be playable on slower machines anymore.
+6. Find the right difficulty! Too easy levels get boring very quickly while too hard ones
+can be frustrating. Levels you built often appear a lot easier for yourself, so be sure
+to let other people test them.