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Human-curated · Discover open source3877discovered

A little curiosity. A world of open source.

THE FIRST COLLECTION
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Lantern Lights is a score-attack arcade game built with LÖVE, where players catch drifting lanterns to build multipliers while avoiding time-stealing cinders across escalating difficulty levels.

GamesOpen-source games
careercardDileppy
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A trainer salary mod for Pokemon Gen1Recomp that introduces a career ladder with periodic stipends based on game progress.

GamesModding tools
gomudGoMudEngine
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Open-source Go MUD server with a playable default world, web admin/client, module manager, ANSI colors, layered config, HTTPS setup, Docker, and install scripts.

GamesGame servers
rzekaeternalgarden
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rzeka is a single-threaded reactive event bus for C# built on Rx.NET that features automatic causality tracking and a real-time browser-based debugger.

Developer toolsGamesComponent libraries
lilalichess-org
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Lichess is a free, open-source online chess platform offering real-time play, tournaments, analysis, training tools, and multilingual support. Built with Scala and TypeScript, it hosts billions of games and supports community contributions.

GamesSelf-hostedGame servers
spaceshipjmpaaak
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A vertical mobile roguelite game where players launch from Earth, ascend to collect planetary samples, and return to settle and upgrade their ship.

GamesOpen-source games
zork1historicalsource
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Archival source code for Zork I, the 1980 Infocom interactive fiction game. Contains ZIL files for educational and historical research, though not officially compilable to ZIP.

GamesGame development tools
syw2-ddrawJeongyong-park
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HQCDD is a DirectDraw wrapper plugin for the legacy game SYW2Plus, enhancing graphics compatibility on Windows 10/11. It supports windowed/fullscreen modes, 16:9 widescreen expansion, and various upscaling filters. Key features include fixing HQNET UI bugs, real-time performance overlays, and integration with SYW2X for color management.

GamesGame development tools
palworld-live-mapLukeHollandDev
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Self-hosted live map for Palworld dedicated servers showing players, bases, Pals, NPCs, and server metrics via Docker. Read-only, no client mods required.

GamesSelf-hostedGame servers
palschema-hubBooyaka101
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A public schema registry, browser, and validator CLI for Palworld PalSchema mods, providing SDK-verified JSON schemas and current game row values.

GamesModding tools
open-dungeonHavivahmammoth428
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A private, offline AI roleplay application for Windows that generates text-based stories and inline images locally.

AI & MLGamesMultimodal AI
ozmoojohanberntsson
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Z-machine interpreter for C64, C128, Plus/4, MEGA65, and Commander X16; supports Z-code versions 1-8, custom fonts/colors, undo, scrollback, d81 builds, and REU caching.

GamesGame engines
netrek-weblab1702
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Netrek-Web is a browser-based implementation of the classic Netrek space combat game. Built with Go and JavaScript, it requires no client installation. Players join via web browser for real-time 4v4+ team battles, featuring ship management, torpedoes, and bot practice modes.

GamesSelf-hostedOpen-source games
GodotEOSFlying-Rat
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A GDExtension plugin for Godot Engine 4.3+ that integrates Epic Online Services (EOS), enabling features like authentication, achievements, leaderboards, and friends lists.

GamesGame development tools
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A deterministic vertical shoot 'em up game built from scratch in Java, featuring a platform-agnostic core that runs on both desktop and web browsers.

GamesOpen-source games
zork3historicalsource
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A historical archive of the source code for Infocom's 1982 interactive fiction game Zork III, written in ZIL. Intended for educational and research purposes to study early IF development, though it cannot be compiled into a playable ZIP file.

GamesDeveloper toolsOpen-source games
polyfishHenBOMB
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Polyfish is an open-source AI player for the strategy game Polytopia, combining Alpha-Zero-style MCTS with a neural network trained via self-play in Rust. It includes a full game engine simulator, a web UI, and a C++ memory-reader that extracts live game states from the Steam version.

GamesAI & MLGame engines
blazorroguedontrolle
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A rogue-like game built with C#/Blazor, featuring procedural dungeons, tileset/ASCII rendering toggle, and data-driven content via JSON.

GamesGame engines
netafbenpollarduk
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A lightweight .NET library for building text-based adventure games, with rooms, NPCs, items, commands, conversations, maps, rendering frames and save support.

GamesGame frameworks
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Irreden Engine is an isometric voxel game engine supporting C++23 with OpenGL/Metal backends, featuring modular ECS, audio, rendering, and scripting.

GamesGame engines
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