A downloadable game for Windows

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Every era has them.
We used to call them adventurers. Knights in shining armour.
Wandering the world. Slaying monsters. Seeking honour and glory.
In this era, they ride mechs.
Today, we call them exons.

Exon is a singleplayer, narrative-driven sci-fi action-RPG game. Explore the first two levels of the prologue in this demo!

  • Top-down melee combat: smash up other mechs with big swords, because swords never run out of ammo
  • Equipment-based progression: your mech is only as good as the weapons it carries — swap out swords, shields, guns and utilities as you find them or need them, with no need to worry about experience points, levels or attributes
  • Talk to the monsters: unravel the story by conversing with allies and enemies alike
  • Adventure: leave the bustling waystations behind and strike out into the wilderness, in a universe littered with the byproducts of technological advance... and the people fighting over them

The demo includes the full gameplay experience of the first twos area of the game, the Exon Academy and the Friendly Arm Waystation:

  • Take on the Gauntlet to learn how to be an exon
  • Take on other exons in the Arena for fun and money
  • Take on some minor local concerns in the wilderness around the Academy
  • Visit the Waystation to buy, sell, repair, identify, craft and store equipment between missions

NOTE: Exon is under active development, so everything you see here is subject to change entirely at my whim. You can read all about the development process at https://www.raodaozao.net/exon!

Please direct feedback and bug reports to: https://www.raodaozao.net/exon/helpline and include a saved game if you can!

System Requirements

Hard requirements:

  • 64-bit Windows, 7 or later
  • DirectX 11
  • A mouse & keyboard
  • 250MB hard drive space

I have confirmed the game runs smoothly with the following system specifications, but these are likely overwrought on several counts so please let me know if you do/do not have trouble with anything lower:

  • 2.3GHz i5-6300HQ quad-core processor
  • 8GB RAM
  • GTX 970M graphics card
StatusIn development
Rated 5.0 out of 5 stars
(2 total ratings)
AuthorRao Dao Zao
GenreRole Playing, Action
Made withUnity
Tags3D, Action-Adventure, Mechs, Sci-fi, Singleplayer, Top-Down
Average sessionAbout a half-hour
InputsKeyboard, Mouse
AccessibilitySubtitles, Configurable controls


Download NowName your own price

Click download now to get access to the following files:

exon-fragment.zip 160 MB
Version 0.07

Development log


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Would gamepad support be considered in the future?



is this game coming to steam?


I'm not planning to launch on Steam... but I guess if the money is that way I might reconsider my stance whenever the full campaign is ready.


hell yes




nice :3


This is a great game!


Enjoying this.