关于此游戏

• Tight Gameplay
  With simple controls and direct approach, master the gameplay while fighting in the Vault. Spray down enemies with continuous fire or shoot a timed blast at larger groups, use the blast to launch yourself into the air and rain down from above.
  
• Unique Visuals
  Take in the breathtaking minimal color palette with stark contrast and hard edges galore. No built-in anti-aliasing, transparencies, or shadows; two colors is all you need. You may adjust the colors in the options.
  
• The Compendium
  See overall progress and complete challenges to unlock additional staffs, game modes, view stats and high scores in the unique area of the Compendium.