Karim Ziani admits he is growing increasingly frustrated at Wolfsburg and may look to move on this summer.
The Algeria international only joined the reigning Bundesliga champions in 2009, but has been restricted to just 10 appearances this season.
He is under contract until June 2013, but is not prepared to see out that deal if he is not playing.
Ziani feels he has been unfairly treated this term, having given his all to the cause, and accepts he will be forced to move on if things fail to improve.
"Most recently I was playing in a match against Hertha Berlin (on 21st March) and I thought I was doing okay," he told Le Buteur.
"But then the manager (Lorenz-Gunther Kostner) decided I did not deserve any more action in the next few matches. This is something I cannot understand.
"I am training like crazy in an attempt to find top form, but I am getting ignored by the manager.
"This is making me frustrated, but I am determined to set my focus on doing well for Algeria at the World Cup."
Reports suggest Ziani, who has previously turned out for the likes of Marseille, Sochaux and Lorient, is attracting interest from France.
Paris St Germain, Rennes and Monaco are all believed to be monitoring the 27-year-old's situation.