Activision is reported to have let 30 to 35 staff go at its development studio Raven Software, which is currently working on first-person shooter Singularity.

"With the recent completion of both X-Men Origins Wolverine, based on the summer blockbuster movie, and Wolfenstein, the next chapter of the famed franchise, Raven Software is slightly reducing its workforce to better reflect the studio’s upcoming slate," said Activision in a statement to Kotaku.

Poor sales of the latest title in the Wolfenstein franchise have also led to staff being laid off at Endrant Studios, the firm behind the multiplayer features of the game.