Top 15 Source SDK Alternative and Similar Games | May 2024

The Source SDK is a software development kit compiled by Valve Software that is used to create maps or mods for the Source engine, with the exception of Left 4 Dead, Left 4 Dead 2, and Alien Swarm. These games are packaged with their own SDKs, called the Left 4 Dead Authoring Tools, the Left 4 Dead 2 Authoring Tools, and the Alien Swarm SDK respectively. They are all extremely similar to the Source SDK, but tailored slightly to suit each game's needs.

1. UnrealEd

UnrealEd UnrealEd (UEd for short) is the level editor used to create levels for Unreal engine games (eg UT2004 or Killing Floor). Built-in scripting language called UnrealScript allows for editors to customizing game content.......

2. Dungeon Tile Mapper

Dungeon Tile Mapper From Wizards of the West Coast, the Dungeon Tiles Mapper lets you create tiled dungeon maps online for free through your browser using a simple grid-based editor. Just select your tiles and drag them where you want them.......

3. Alien Swarm

Alien Swarm Alien Swarm is a free top-down shoot-em-up video game by Valve Corporation. It is a remake of the Alien Swarm mod for Unreal Tournament 2004, and it was developed by the original team, which was hired by Valve during the course of the development process.......

4. Mod DB

Mod DB Mod DB is the largest website dedicated to supporting independent development of games (user generated game content), including mods, addons and DLC. The aim of Mod DB is to unite developers, players and their ideas, empowering them to shape the games we play.......

5. Minecraft Forge

Minecraft Forge The most popular modloader for the hit indie game Minecraft .......

6. GestureWorks Gameplay

GestureWorks Gameplay GestureWorks Gameplay is a powerful tool for using and building Virtual Controllers to make games that would normally require a mouse and keyboard or external controller easily playable on a Windows 8 tablet or other Windows 8 touchscreen device. Users can select from a wide variety of onscreen buttons and......

7. Marmalade

Marmalade Marmalade is an award winning, cross-platform development tool built around the belief that developers should be free to innovate, create and craft fantastic content for any audience on any device without compromising on performance or creative vision.With a C++ core and additional modules for Lua, HTML5 and Objective-C, the open......

8. Controller Companion

Controller Companion Put mouse, media and keyboard control in the palms of your hands so you'll never have to leave the couch again!Mouse ControlThe left analog stick controls the mouse cursor.Media ControlY is bound to Play/Pause and the shoulder buttons are next and previous trackFullscreen Auto-disableWhenever another program, game or Steam Big......

9. G3D Innovation Engine

G3D Innovation Engine The G3D Innovation Engine is a commercial-grade C++ 3D engine available as Open Source (BSD License). It is used in commercial games, research papers, military simulators, and university courses. G3D supports hardware accelerated real-time rendering, off-line rendering like ray tracing, and general purpose computation on GPUs.......

10. Nvidia Grid

Nvidia Grid THE POWER OF CLOUD GAMINGStreaming video and music to TVs, PCs and tablets using cloud services like Netflix, YouTube, Pandora and Spotify has become the predominant way to enjoy content for connected devices. The convenience of large cloud-managed libraries of content with stream-anywhere capability is impossible to resist.Now with revolutionary......

11. PyMapper

PyMapper Drag and drop tile based mapping program. Multiple layers, create and import your own tilesets, scale for printing and many more features.......

12. DJL

DJL Djl is an open-source (GPL licensed) game manager written in Python 2.5 for the GNU/Linux Operating Systems. It is inspired by Valves Steam software for Windows.......

13. Crystal Space

Crystal Space Crystal Space is a mature, full-featured Software Development Kit (SDK) providing real-time 3D graphics for applications such as games and virtual reality. It is free (LGPL) and cross-platform (Windows, GNU/Linux, Mac OS X).......

14. Xpadder

Xpadder Xpadder simulates the keyboard and mouse using your gamepadWhat does Xpadder let you do?- Play PC games with poor or no gamepad support- Add gamepad support to emulated, internet and DOS games- Play multiplayer games with each player using a gamepad- Control video/music players using their shortcut keys- Use a......

15. SteamOS

SteamOS SteamOS is a Debian based Linux distribution designed to run Valve's Steam and Steam games. It also provides a desktop mode ( GNOME ) which can run regular Linux applications. In addition to a stable Debian base, SteamOS features various third-party drivers and updated graphics stack,......