gamebutton

noun
UK /ˈɡeɪmˌbʌt.ən/
US /ˈɡeɪmˌbʌt̬.ən/

A button you press to play a game.

Press the gamebutton to make the character jump.


OTHER MEANINGS

2. A button on a website or app that starts a game.

Click the gamebutton on the home page to begin.

3. A physical button on an arcade machine used during play.

The red gamebutton on the arcade cabinet was worn from use.

4. A key or control assigned to a specific action in a video game.

You can remap each gamebutton in the settings menu.