The Terror of Mongolia is a rogue-like shooter set in the 13th century, recounting the tale of Genghis Khan. Riding the plains of Mongolia, Khan is on a quest to rescue Börte, his first wife, kidnapped by the rival tribe leader Jamukha the Jadaran.

Find Börte before the timer runs out, and reach Jamukha.


🏆 12th place in 2023 js13kgames competition

  • This game was produced for JS13k 2023 game jam, where the entire game has to fit within 13kb. Since this is a post-jam revision, this version is passed that limit, but you can find the link to the original entry below.


  • Use arrow keys or AWSD to move
  • Press Space to shoot
  • Hold Space while moving to keep shooting in the same direction.
  • M to mute music. F to mute sound effects.


  • Horse riding.
  • Archery.
  • Shoot-em-up style gameplay.
  • A dozen upgrades.
  • Ramping up difficulty
  • Morricone-style music.
  • Inspired by real historical events.

Credits and tools:

  • Soundbox was used for composing music
  • Both songs composed are covers from Ennis Morricone
  • Roadroller and uglify were used for file size reduction
  • 1878, “The Galloping Horse” from Eadweard Muybridge (the first motion picture ever made) was used as model for horse animation.
  • ChatGPT used to help me learn about historical events and Mongolian culture in the 13th century.

This game produced for #js13k 2023

Original 13kb game playable at:

Post mortem:

Rated 3.0 out of 5 stars
(1 total ratings)
AuthorJack Le Hamster
TagsArchery, Roguelike, Shoot 'Em Up, Third-Person Shooter

Development log

Leave a comment

Log in with to leave a comment.