Game controller and game system

A handheld controller arrangement for transmitting operation data to a computing device executing a program that displays information on a display, the handheld controller arrangement comprising:

• a first handheld unit including a first handheld body configured to be held in and supported by a user's hand in free space;
• a second handheld unit including a second handheld body configured to be held in and supported by a user's other hand in free space;
• a flexible cable for electrically connecting the first handheld unit with the second handheld unit,
• the first handheld unit including a first operation data generation section generating first operation data in accordance with motion of the first handheld body;
• the second handheld unit including a second operation data generation section generating second operation data in accordance with a direction input operation performed by the user;
• and
• one of the first handheld unit and the second handheld unit further including a wireless transmission section for wirelessly transmitting the first operation data and the second operation data to the computing device at a predetermined timing,
• wherein the first operation data generation section includes an image pickup section, fixed to the first handheld body, configured to take an image along a predetermined direction from the first handheld body, and output, as a part of the first operation data, an image taken by the image pickup section and/or a result of performing a predetermined calculation on the image taken by the image pickup section.