I. Motivations and Objectives  
II. Application of Game Theory in Current VNs  
A. Background of Game Theory  
B. Game Theory for Security Protection in VNs  
C. Game Theory for QoS Guarantee in VNs  
III. Game Theory in Next Generation VNs  
A. Game Theory in Vehicular Edge Computing  
B. Game Theory in Heterogeneous Vehicular Networks  
C. Game Theory in SDN-based VNs  
D. Game Theory in UAV-assisted VNs  
E. Game Theory in Other 5G-Technology-based VNs  
IV. Challenges  
A. Handover Management in Game  
B. Big Data Management in Game  
C. Fair Resource Allocation  
D. Uncertain and Incomplete Information in VNs  
E. Security in VNs  
F. Efficiency of Game  
V. Conclusion