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Inbox Zero

Live · single-player study
Music
SFX
Your best—

Your inbox, reimagined as an invading alien fleet. For once, achieving inbox zero is actually satisfying.

Built in the style of Space Invaders, the descending-wave arcade shooter that defined the genre back in 1978 — fixed lanes, rows of enemies marching steadily downward, a single ship standing between you and the bottom of the screen. It became one of the best-selling arcade games of its era specifically because it introduced something new at the time: a difficulty curve that escalated automatically as you played, rather than staying flat. We've kept that exact rhythm intact and swapped the alien invaders for something everyone has genuine, deep-seated feelings about — your own inbox, finally getting what's coming to it.

How to play

Move left and right and shoot to take down waves of descending emails before they reach the bottom of the screen.

Scoring

Points are earned per email destroyed, with tougher waves worth more as the game progresses.

Tips for a higher score

  • Higher rows are worth more points, so clear what you can reach while the waves are still slow. The rows nearest to you are worth the least.
  • Bosses turn up at waves 5 and 10, and each one is worth 500 points. Try to reach those waves with lives left rather than hanging on by one.
  • The mystery ship flies across the top and is worth 50 to 300 points. Take a shot if it is lined up, but do not chase it.
  • Shields soak up hits but do not score, so use them as cover. Stay behind one while the wave is shooting and step out to fire.

Why play this?

The premise alone makes it the most relatable game here — everyone's inbox deserves this treatment.

Questions

Does difficulty increase each wave?

Yes, waves get faster and denser the longer you survive.

Can I play with keyboard only?

Yes — arrow keys to move, space to fire.

How do I move and shoot?

Move with the keyboard or the mouse, and shoot with the keyboard or a click. The coffee cups act as shields.

How many lives do I have?

Three. The run ends when the last one is gone, so one hit does not finish you.

What are the boss and the mystery ship worth?

The boss turns up at wave 5 and again at wave 10, and is worth 500 points. The mystery ship flies across the top and is worth between 50 and 300.

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