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Cart #nemonic-2 | 2022-06-21 | Code ▽ | Embed ▽ | License: CC4-BY-NC-SA

Nemonic Crypt

Nemonic Crypt is a self-made-bullet-hell-lite-roguelike.
Fight your way through 5 randomly generated floors in search of all 6 crystals.
Each Crystal can be used as a weapon against the monsters in each room, but beware: the strength and number of monsters will also grow as you adventure further into the crypt.
If you miss an enemy with a shot, the energy bullet will bounce around the level, giving it another opportunity to hit. However, the crystals energy bullets can also damage you!


  • Randomly generated crypt layout
  • Daily Crypt that is the same for all players and repeatable throughout the day
  • 6 Different monsters, each with different tactics
  • Switch between 19 unlockable color palettes
  • Full range 360degree firing angles
  • cool looking dash
  • Possibility for cool trick-shots


  • A palette is unlocked for getting 100% accuracy and another for 0% accuracy. accuracy is bullets hit over bullets fired. There is no floor requirement for this palette!
  • The paint palettes are unlocked through total kills, with monochrome being unlocked at 1000 kills!
  • Too easy? press all arrow keys at once outside of the crypt to enable hard mode!


v1.1 07/13/2021:

  • Fixed bug where player gets stuck I wall (I hope)
  • Light code cleanup and token mining
  • Broadened requirements for nemo skin
  • Made "hold o" only show up when walking on the ground floor
  • Adjusted cart image
  • Added Secrets to BBS thread
  • Learned the difference between palette and pallet

v1.2 06/21/2022:

  • Actually learned the difference between palette and pallet
  • Fixed game breaking bug that would soft-lock game if bullet fired when downed
  • Fixed results screen text
  • Adjusted cart image

Special thanks to:

P#93662 2021-06-17 16:53 ( Edited 2022-06-21 16:10)


Gives me dark souls vibes

P#93664 2021-06-17 17:06

Wow! Incredible amount of polish and content here! The aiming mechanic is super unique and turns shooting into a kind of rhythm-timing challenge in a very unique way, plus the dash feels very satisfying. Having both a daily challenge synchronized for all players as well as unlocking different palettes adds a lot of replay value to the game. This is really good!

P#93672 2021-06-17 19:08

Great job feels fantastic. I love the attention to detail in both the environment and the music.

P#93677 2021-06-17 21:05

This is so good! I’ll definitely be coming back to this again and again. My only nitpick is the sound that plays when you hit an enemy - has a very “tink” sound, like it’s bouncing off of a metal surface and doesn’t make an impact (even though that’s not the case). Otherwise, really good game!

P#93682 2021-06-18 00:37 ( Edited 2021-06-18 00:37)

Very polished and overall a ton of fun, I love it! Great job

P#93818 2021-06-21 12:36

Brilliant fun and one of the most polished games I've seen here :)

P#93952 2021-06-24 11:56

this had the best combination of love and hate relationship, being able to only shoot when the arrow aligns with your enemy and the dash mechanism to avoid the enemies.

P#96190 2021-08-18 15:52

Super cool addition to the Pico8 roguelike library! Nicely done! Love the particle effects!

P#96245 2021-08-19 21:57 ( Edited 2021-08-19 21:58)

this has got to be one of the best pico-8 games I've played so far. the only minor bugs I've found are that the reset unlocks option doesn't work and if you press the button opposite of the direction you are facing right after starting a dash you don't move during the dash

P#100226 2021-11-16 16:18

Nice rougelike!
Edit: A little tricky at first, but when you understand how the game works it's a great game to play.

P#105376 2022-01-19 18:19 ( Edited 2022-01-19 18:23)

it seems like the bug where the game doesn't end comes from pressing the shoot button while dead? the little shooter crystals fly out after you die so i think it may be shooting bullets into the void where they can't bounce at all

P#108667 2022-03-15 15:19

I would love to see a version of this game with items, it would be really cool

P#111959 2022-05-17 22:00

Thank you all for playing the game and all of the feedback! After a year I finally got around to fixing that game breaking bug haha.

P#113444 2022-06-21 16:15

Really enjoyed this, and have found myself returning to it a lot today. I also reviewed it for my channel below:


P#113693 2022-06-26 19:24

What a cart, I'm addicted!

P#135720 2023-10-10 19:35

this remindes me of soul knight. like a demake.
cool :)

P#135722 2023-10-10 20:04

I am aware it literally does not matter, but I feel like I must point out that you only unlock monochrome after your 1001st kill. either that, or my in game kill count was wrong. Absolutely love this game though.

P#136736 2023-11-01 13:03 ( Edited 2024-02-06 16:40)

We have a gem here. Thank u!

P#138811 2023-12-17 17:55

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