 With the Avalanche vying for a playoff position, he assumed the same role with the club and remained in the press box until making his belated debut with Colorado in a 2-1 shootout victory over the Vegas Golden Knights on March 24, 2018.He featured in 7 scoreless games with the Avalanche to end the regular season and remained a healthy scratch in their first-round defeat to the Nashville Predators in the playoffs.On May 11, 2018, Alt gave up his impending free agent status in signing a two-year, two-way extension with the Avalanche.