結月ゆかりと螺旋階段 is an action game developed by おやぢめーかー for the Android platform. In this game, players take on the role of 結月ゆかりちゃん, who unexpectedly falls into a mysterious abyss while walking in the forest. Now, players must guide 結月ゆかりちゃん through a treacherous staircase filled with traps and obstacles to rescue her from the abyss.

The game features two modes: Story Mode and High Score Mode. In Story Mode, players can enjoy original illustrations while progressing through 12 stages, aiming for the ending. In High Score Mode, players need to clear stages within a time limit and aim for high scores. They can even share their achievements on Twitter.

With simple tap controls, players can navigate the staircase and avoid traps in their quest to save 結月ゆかりちゃん. The game is based on the "キャラクター使用ガイドライン" set by 株式会社AHS and features the use of the "VOICEROID+ 結月ゆかり EX" sold by 株式会社AHS. It is recommended for Android devices running OS 4.0 and above.

Please note that the game has been tested on SH-10D with Android OSand F06－E with Android OS 4.2, but these devices serve as a reference for compatibility and not a guarantee.