A game grammar-based packet capture and analysis apparatus for conducting game test, includes: a packet capture unit for capturing packets of game data transmitted and received between a game client and a game server; a packet analysis unit for analyzing the packets captured by the packet capture unit to generate a game grammar based on analyzed results. Further, the game grammar-based packet capture and analysis apparatus includes a load generation unit for generating packets in compliance with the game grammar to apply the packets to the game server as a load.