Zynga plans to reduce its workforce by 5% and retire 13 games, according to a memo to the staff from CEO Mark Pincus.
The news comes a day ahead of Zynga's earnings, due out after the closing bell Wednesday.
Zynga's shares rose in after-hours trading. (Click here for the latest after-hours quote.)
"We've had to make some tough decisions around products, teams and people," Pincus said in the note. "We don't take these decisions lightly as we recognize the impact to our colleagues and friends who have been on this journey with us," he said.