### Clue: Shape-shifter tries to shift after a little time (6)
### Answer: TETRIS 
 ### Explanation: Definition: Shape-shifter
 **Anagram of**(… to shift) TRIES **placed below**(after, in a down clue) **the 1st letter of**(a little) "time ".
Defn: The video game where the shape at the bottom of the screen keeps changing.