This is the 4927th most frequent Russian word.
командном
"Team" (adjective form, relating to a team).
The word 'командном' is an adjective modifying 'режиме', specifying the mode in which the action happens, emphasizing teamwork.
Мы работаем в командном режиме.
We are working in a team mode.
Here, 'командном' describes the type of scoring or category ('зачёте'), indicating it relates to a team's collective performance.
На соревнованиях мы выступили в командном зачёте.
In the competition, we participated in the team scoring.
The word 'командном' qualifies 'проекте', clarifying that the project was organized and executed by a team.