Features:

• GGPO Enhanced Online With Drop-in/Drop-out Co-Op Play: Community-trusted GGPO powers a smooth online experience that allows up to four players to drop in or out of games in progress at will.
• Classic Arcade Gameplay with a New Twist: Players can enjoy the original arcade modes or mix up the gameplay with House Rules that can completely alter the experience.
• Some examples of House Rules:
• Unbreakable - Equipable items have infinite durability. Never worry about breakage again!
• Enemy Rush - Fight against time in this special Time Attack Mode. Start the game clock with 30 seconds and increase the clock with each enemy you kill!
• Make it Rain – Get rich quick! Enemies and chests drop tons of gold!
• Challenge System: A newly introduced RPG-like system that fits on top of the existing games and provides a myriad of challenges for players to complete. Players can level up and obtain Vault Coins to be used in the Vault.
• The Vault: A treasure trove of unlockables and gameplay loot can be purchased with Vault Coins earned via the Challenge System.
• Character Visualizer: This UI visualizer tracks which characters the players and their friends most often use. Players can utilize the tool to create a more balanced multiplayer dungeon crew, or to see which under-used characters they should try out next.
• Leaderboards & Connected Arcade: Players can track how they stack up against their friends through leaderboards, as well as view a full breakdown of gameplay related stats.