Complex sentence: The game features multiplayer play over the internet, and also supports VS mode, story mode and mission mode; the gameplay itself is based on the earlier "Little Fighter 2" game, which had many of the same features.
Split into simpler sentences: The game features multiplayer play over the internet, and also supports versus mode, story mode and a mission mode. The gameplay itself is based on the earlier "Little Fighter 2" game, which had many of the same features.