Credits & licences

Games

NEON SHIFT 65

(C) 2026 Marcin Krzetowski / Setech Game Studio. Code: MIT License. Content and complete ATR: Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0). Service Current retains CC0; cc65 and upstream component notices apply. Names and marks reserved. Licence · Source · disk: release v1.0.1, SHA-256 a22992f1c4350d0e5c72150c6902aefdd2f485c3be5979f9da2a7bc2d32f3407.

Void Strike 65

(C) 2026 Setech Game Studio, Marcin Krzetowski. The disk image as a whole: CC BY-NC-SA 4.0; the game's code: MIT. "Void Strike 65" and the Setech Game Studio name and logo: all rights reserved. Licence · Source · disk: release v0.3.0, SHA-256 c977efe068d33356096b0d4c36ecba69b775d5507fe6a81eb8336b0200b40b87.

Emulator: atari800 7.2.1

The games run in atari800, the Atari 8-bit emulator by the Atari800 Development Team, compiled to WebAssembly for this site. atari800 is free software under the GNU General Public License, version 2 or later.

Corresponding source: atari800-7.2.1-src.tgz (the exact release tarball the build used, SHA-256 b05b7b0932a19754eef42839aa0f04aa8a5ec1e55f51054ef3f802d83c7362f7), plus wasm-glue.c and build.sh, built with Emscripten 6.0.11.

The Emscripten runtime inside atari800.js is under the MIT and University of Illinois/NCSA licences (text).

Operating system: AltirraOS

The emulated machine runs AltirraOS 3.49 and Altirra BASIC 1.59, the open replacements for the Atari ROMs written by Avery Lee for Altirra and built into atari800:

Altirra - Atari 800/800XL emulator
Kernel ROM replacement
Copyright (C) 2008-2018 Avery Lee (AltirraOS); Copyright (C) 2008-2022 Avery Lee (Altirra BASIC)

Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved.  This file is offered as-is,
without any warranty.

This site

The site's own code is under the MIT licence. All notices: THIRD_PARTY_NOTICES.md.

Atari is a trademark of its owner; this site is not affiliated with or endorsed by Atari. The names of the games and of Setech Game Studio belong to Setech Game Studio.