It's one thing to see a robotic arm, on a car assembly line, say, or a Mars rover, but it's quite another thing to control even a simple one-jointed arm. Can you master the roboclaw?

Some games are all about speed and perception. But not many use that as the basic premise for the game itself. Brace yourself to recognize and react quickly in four second fury!

It's deceptively simple: avoid the cubes with your pyramid thingy. But the aircraft-like banking and constant path decisions make it tricky to control and tough to master cubefield.

Sometimes the novelty of a game isn't the concept (a bouncing ball), but how the controls work (moving the "floor" target grid). How long can you keep the ball bouncing?

There's the comforting, spacey music. There's the easy way "you" spin around and move through the water. And the ruthless way you eat everything to get ahead. It's Flow.