single-level

adjective
UK /ˌsɪŋɡəl ˈlevəl/
US /ˌsɪŋɡəl ˈlevəl/

Having only one floor or one layer.

They live in a single-level house with no stairs.


OTHER MEANINGS

2. Having only one stage or step in a process.

The game has a single-level approval process.

3. In computing, having only one tier of structure.

The app uses a single-level menu.

4. In education, involving only one grade or class level.

The school offers a single-level reading program.

5. In games, having only one stage or map.

This is a single-level puzzle game.