Meanings of doing clever in anglès

It's not the doing clever things that matters, I've come to the conclusion, though Val would think that was heresy.

From what I played, Achievements are doled out not only for accomplishing story objectives but for doing clever things within the game.

They're always doing clever cross-referencing stuff on the TV, and it's all perfectly possible, but what they never show is how sodding long it takes.

"Darrin and Dalzell are doing clever work."