A downloadable game for Windows

Buy Now$7.99 USD or more

Rysen is an old school 2d vertical shooter (shoot 'em up style game) for Windows. The free demo version is located at the bottom of this page.


  • 7 stages per 1 round.
  • DirectInput & XInput controller are supported.
  • No bullet-hell
  • No bomb, no combo, no buzz, no gems, no medals and any other bonus items, and no difficult scoring system.
  • Simple bonus system just to annihilate the enemy formation.
  • Designed to be able to concentrate on the two factors of avoiding bullets and firing shots.
  • 3 difficulties.
  • Fine configuration changes are possible.
  • ogg format original sound track is included.

Game Systems:

The main keys used in the game are as follows.

  • Directional control (Analog stick or D-pad)
  • Weapon1
  • Weapon2 (Not use while deploying shield)
  • Changing Speed
  • Insert credits

For explanation of the game system & how to play,  please refer to the link below.
Official site (en)Official site (ja)


OST files are NOT included in the DEMO version. Only in the product version. The file format is ogg. Please play with the ogg format compatible player. For most songs, recommended to play with "loop playback" function. You can also use these files as BGM in this game.

DEMO version:

This game has free demo version. Run the demo version to check if you can run the game correctly before purchasing. Demo version contains 3 stages.

Differences between Steam version & itch.io version:

  • Steam version corresponds to Steam’s online leader board and achievements, possible to save config & data files to the Steam cloud.
  • itch.io version is DRM free, and you can play the game completely offline.

(c) NKMR AppWorks


Buy Now$7.99 USD or more

In order to download this game you must purchase it at or above the minimum price of $7.99 USD. You will get access to the following files:

rysen_product_itch_v1.0.3.zip 29 MB

Download demo

rysen_demo_itch_v1.0.3.zip 6 MB

Development log

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