two-option

adjective
UK /tuː ˈɒpʃən/
US /tuː ˈɑːpʃən/

Having only two choices you can pick from.

The game gives you a two-option menu: play or quit.


OTHER MEANINGS

2. Involving exactly two possible settings or modes.

The switch is two-option: on or off.

3. Offering a simple pair of answers, often yes or no.

The survey asked a two-option question about lunch.

4. A design or plan that presents just two paths forward.

We kept the plan two-option to make it easy to decide.