Engine Rewrite · PC (classic)OpenRCT2RollerCoaster Tycoon 2Open-source re-implementation of RollerCoaster Tycoon 2 with modern-platform support, an improved interface and cooperative multiplayer.🔥 0🧊 016kEngine Rewrite · PC (classic)openageAge of Empires IIVolunteer-built free engine clone of the Genie Engine behind Age of Empires, Age of Empires II and Star Wars: Galactic Battlegrounds.🔥 0🧊 015kEngine Rewrite · PC (classic)OpenSpadesAce of Spades 0.75Compatible open-source client for Ace of Spades 0.75 that connects to vanilla, pyspades and pysnip servers.🔥 0🧊 01.2kEngine Rewrite · PC (classic)GLSMACSid Meier's Alpha CentauriUnofficial OpenGL and SDL2 reimplementation of Sid Meier's Alpha Centauri and Alien Crossfire, with a rewritten engine and network code.🔥 0🧊 0638Built on the Code · PC (classic)Plants vs. Zombies Online BattlePlants vs. ZombiesA mod that adds two-player online battle to Plants vs. Zombies, one side as plants and the other as zombies, via DLL injection.🔥 0🧊 0627Engine Rewrite · PC (classic)BetterSpadesAce of SpadesLightweight Ace of Spades client that runs on very old systems down to OpenGL 1.1, free of Jagex code.🔥 0🧊 0285Native Port · PC (classic)MBHaxeMarble Blast Gold / Platinum / UltraHaxe port of Marble Blast Gold, Platinum, Ultra and PlatinumQuest with near-identical physics and cross-platform multiplayer.🔥 0🧊 0216Engine Rewrite · PC (classic)ForsakenForsakenCommunity port of the Forsaken game engine to modern systems.🔥 0🧊 0180Decomp · PC (classic)SA-MP DecompilationSan Andreas Multiplayer (SA-MP)Work-in-progress matching decompilation of San Andreas Multiplayer 0.3.7, the multiplayer mod for GTA: San Andreas on PC.🔥 0🧊 0147Decomp · PC (classic)Halo CE Universal (128-player fork)Halo: Combat EvolvedFork of the Halo: Combat Evolved Xbox decomp port for Windows, Linux and Android, with multiplayer raised to 128 players.🔥 0🧊 0122Engine Rewrite · PC (classic)openmw-webThe Elder Scrolls III: MorrowindOpenMW compiled to WebAssembly so Morrowind runs in a desktop browser, with an admin dashboard and experimental multiplayer.🔥 0🧊 0107Native Port · PC (classic)HaloPadHalo: Combat EvolvedPreview port of Halo: Combat Evolved for iPhone, iPad and Mac with the Xbox campaign, online matches and Custom Edition servers.🔥 0🧊 0120Mods & Overhauls · PC (classic)SA-MP+Grand Theft Auto: San AndreasArchived client modification for GTA: San Andreas that uses the SA-MP plugin SDK to add new server-controlled features such as HUD and radio control.🔥 0🧊 074Online Revival · PC (classic)LibreKOKnight OnlineFrom-scratch open-source reimplementation of the Knight Online MMORPG server and client, written in C# and Godot 4.🔥 0🧊 038Decomp · PC (classic)SAMP SourceSA-MP (GTA: San Andreas Multiplayer)Software-preservation project rebuilding SA-MP 0.3.7 R5's samp.dll from source, byte for byte, with about 43% of the code verified so far.🔥 0🧊 037Engine Rewrite · PC (classic)uo-clientUltima OnlineFrom-scratch Ultima Online T2A client in C++17 built for bot automation, with a software renderer that recreates the 1997-era look.🔥 0🧊 018