Clockwords: Act I is another well made game, combination of thrill, action, and logic thinking. We appear in position of famous scientist who must using his inventions and smartness get rid of enemies in one ancient fortress. To make this true we have to write in series expressions, the longer word more shoots from prepared cannon. It is really important to remember the we must not repeat the expressions. After destroying all attackers we can buy some upgrades that gives us strength or speed. If we are hurt it is still ok because we have three lives.