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Cart #beatwise_trigger-1 | 2022-03-01 | Code ▽ | Embed ▽ | No License

A rhythm-based dungeon crawler inspired by Enter The Gungeon and Crypt of the Necrodancer.
Originally made for RNDGAMEJAM 2, BEATWISE TRIGGER has been reworked since the jam to be more fun to play.

itch.io page: https://pixelshock.itch.io/a-rhythm-based-dungeon-crawler

If you experience laggy audio in this version, try playing it in the PICO-8 desktop app, or download the game from the itch.io link above.


You can only shoot and reload on the beat.

Defeat enemies and break barrels to gain gold, and find shops to buy better weapons and tools to give Diot new abilities.

Find the exit on each floor to travel deeper into the ruins, and discover new areas.

What awaits Diot in the twisting tunnels below Raven Manor?


You can change control styles using an option in the pause menu.


  • Arrows or EDSF to move
  • Z or C to shoot
  • X or V to reload
  • Auto-aim enabled

Keyboard and mouse:

  • Arrows or ESDF to move
  • Left click to shoot
  • Right click to reload
  • Aim with mouse


BT 1.1 Changelog:

  • All guns now reload to max in one beat.
  • Reloading can now be done at any time the player is standing still.
  • There is now an indicator on the title screen showing what controller style the game is currently using.
  • There are now audio indicators when Diot has fired his last bullet and when he has reloaded.
  • Updated some graphics for consistency, most notably Diot and a few of the enemies.
  • Most area names and their descriptions have been changed to reflect lore established since the jam version was made.
  • The music has been adjusted to make the beat clearer in the second and third areas.
  • Diot now only opens doors in front of him, instead of every door around him at once. Saves tokens AND makes more sense!
  • The ghosts in Lab Outpost are now restricted to the beat like everything else.
  • The boxes in Lab Outpost now only shoot while Diot is in range, rather than indefinitely after being activated.
  • The ending animation now has transitions between the images.
  • The title screen logo now beats slower in the first part of the music so it's in sync with the beat in that part.
  • Most of the printed text now has borders, mainly to make the area and upgrade pop-ups more readable.
  • Some slight rebalancing for weapon damage and enemy quantity on each floor.
  • The guns now have muzzle flashes, a recoil visual effect, and their bullets now spawn at the end of the gun instead of on the player.
  • There are now particle effects for defeating enemies and picking up gold.
  • (spoiler) The final boss now has a different attack pattern when the hands have been defeated.
  • (spoiler) The piano in the final room is quieter, since Maya and the piano are actually outside, and the piano now resumes after PATSCII-TRON is defeated.
  • Added a new gun: the Zapper!
  • Weapons now have descriptions that appear when you pick them up.
  • Updated SFX for shooting and reloading.
  • Bullets make objects emit particles on hit.
  • Diot's bullets are now faster.
  • Barrels are now solid.
  • The second upgrade has been replaced with a dash ability, allowing Diot to dodge over bullets and enemies once obtained.
  • Barrels now drop a more random amount of gold.
  • Floor generation updated:
    • Fixed shop generation so it actually generates on the end of its path instead of having a random dead end coming off it, and it now has slightly rounded corners.
    • Each floor now has randomised variant tiles scattered over the floor.
    • Upgrades are now obtained one floor earlier.
    • Rooms no longer have to be square, and they now line up with the paths as was originally intended.
    • Enemies can now spawn anywhere in a room instead of just the bottom right quadrant.
    • The base number of enemies in a room is now 2 instead of 1.
  • Visual upgrades to shop item and reload animations.
  • Enemies drop less gold to compensate for how many more there are.
  • That annoying "unknown extcmd" error on start while running in the BBS player should now be fixed.
  • ...
  • And an extremely overpowered secret weapon?

Technical Changes:

  • The music function now automatically reserves the first 3 channels to prevent sound effects from overriding the music, especially the beat channel.
  • The beat is now checked using the more accurate stat(50) instead of stat(20).
  • The beat timing is now slightly less forgiving. (2/4 notes per beat rather than 3/4)
  • The game map now uses the extended memory bigmap. As there is more space here, the later floors should be less crammed.
  • The gun is now drawn using tline, rather than pset.


I can't believe it took me this long to notice the first version was titled "BEATWISE TIGGER"
Cart #beatwise_trigger-0 | 2021-08-01 | Code ▽ | Embed ▽ | No License

P#95542 2021-08-01 03:25 ( Edited 2022-03-01 08:19)


This works really well. I love the different weapons you can upgrade to and the procedural generation of the levels is pretty impressive. There should probably be some punishment for missing beats, because at the moment you can spam buttons. How many levels are in at the moment? I think got to about the 10th or 11th floor. I made a video review where I go into more detail, and ramble a lot. :)

P#96224 2021-08-19 11:09


Thanks for playing!
I wasn't sure how to punish the player for missing a beat, but I may add that if I can think of one.

There are 12 levels, 3 per area, plus a final room with a boss in it.

P#96260 2021-08-20 08:17

@cubee you should totally remake this lol, I'd love to see a fully fleshed out roguelike by you, since you are so impressive at pico-8

P#133306 2023-08-20 13:07


You know, I have been considering that! I'd love to make a full version of this.

I'll have a think about whether that becomes my next project after I'm done with Ninja Cat Remewstered.
(which is a "proper" release of Ninja Cat I'm currently working on)

P#133341 2023-08-21 06:30

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