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DigiAlchemy-GamePack-1, image 1 from its README
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DigiAlchemy-GamePack-1

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A pocket arcade for the Elektron Digitone mk1: three tiny games (a DOOM-style raycaster, Space Invaders and Snake) that run on the synth's 128x64 screen as one elekloader mod.

DigiAlchemy-GamePack-1 is a mod for the Elektron Digitone, by @DigiAlchemydsp. Open source under GPL-2.0, latest release v0.21 (October 2026).

forElektron Digitone·by@DigiAlchemydsp

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Download v0.21

digidoom-0.21.elemod· 66 KB· +1 file

GPL-2.0· DigiAlchemydsp/DigiAlchemy-GamePack-1·downloads come from the creator’s GitHub releases

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  1. v0.21DigiAlchemy GamePack v0.21Latest2 files

    DigiAlchemy GamePack v0.21 — a pocket arcade for the Elektron Digitone mk1 / Digitone Keys (OS 1.43).

    Press MIDI+YES for a game-select menu, then play:

    • DOOM — a from-scratch DOOM-style raycaster (ordered-dither walls, billboard sprites, HUD, weapon, doors, chasing monsters; title DOOM — KARL MARX EDITION).
    • INVADERS — a very lightweight Space Invaders (6×4 fleet, ship, bullets, lives, score).
    • SNAKE — a grid snake that grows and speeds up with every dot.

    Assets

    • DigiAlchemy-GamePack-0.21.zip — the release package: the .elemod plus README.md (install), NOTICE and LICENSE.
    • digidoom-0.21.elemod — the mod on its own.

    Build the firmware

    The .elemod is a linkable elekloader mod (not a firmware image). Build the flashable .syx locally from your own stock OS plus the core:

    python -m elekloader.patch --stock Digitone_and_Digitone_Keys_OS1.43.syx `
    --mod core-dn1-2.0a.elemod --mod digidoom-0.21.elemod `
    --out custom.syx --version 0.21

    Requires core-dn1-2.0a.elemod (elekloader mods/core-dn1) and your stock Digitone_and_Digitone_Keys_OS1.43.syx.

    Controls

    • MIDI+YES — open / close the menu
    • Menu: UP/DOWN select · YES start · NO exit
    • DOOM: arrows move/turn · YES fire · NO use a door
    • INVADERS: LEFT/RIGHT move · YES fire
    • SNAKE: arrows steer

    Notes

    • No firmware is distributed. Build the .syx from your own stock OS.
    • Recovery: hold FUNC on power-up → startup menu → TRIG 4 (OS UPGRADE) → send the stock .syx.
    • Licence: GPL-2.0-or-later.