Tester Phase One

Tester Phase One (also known as テスターフェイズワン(TESTER PHASE ONE) is a vertically scrolling shoot-em-up, released as a freeware PC game, and then later released on the Xbox Live Indie Games marketplace for 80 Microsoft points (the equivalent of $1.00 USD). Tester Phase One was developed by Alpha Secret Base, a Japanese developer behind several well-received indie games on the Xbox Live Marketplace. The game is a traditional scrolling shoot-em-up, featuring a "reflect" mechanic, dozens of waves, and in-game achievements.