Includes Source SDK Games
Discover the best co-op games on Steam. Access estimated total revenue, median sales per game, saturation levels, and top-performing titles to benchmark your project.
Games with Includes Source SDK
Explore all games featuring includes source sdk
0HIGhSCORE
HIGhSCORE is a 2D platform jumper with rogue-lite elements where players collect items to boost their attributes, score higher combos and reach more points. Unlock new features and customize your character as you level up. Compete with other players on the online leaderboard in singleplayer mode.
0City of Ages: Picture Supportive Text MUD (server and client included)
Two windows applications install to any Windows Computer: Ansi compliant telnet text MUD Server and Client and their VB6 source code, heavily SQL coded with support and admin commands. I run my server on a 1000Mhz x 2 processor 7nm HP fanless laptop.
0Lest - Deluxe 24
Play a Surreal and Abstract game of Hide and Seek across abstract realities watching as your beloved home falls into decay as you try desperately over and over again to hunt down your target through the stages of Denial, Guilt, Depression, Resentment, and Acceptance.
0KnightOut
KnightOut is a local party brawler for 1-4 players! Play with or against your friends in a frantic battle. Half the battle is won by building an epic castle with deadly weapons and traps. Charge into sword duels or keep your distance with long range weapons.
0Block Shock
Experience the most addictive retro block game like never before. With 12 all-new levels, you must use your skill to win. Can you beat the game, or will you suffer from block shock?
0Infommi
Fight against a wave of monsters and bullet hell bosses with multiple characters of your choice that have different abilities to help you get to their Ultimate Master. Are you ready to take them on?!
0Mage's Legacy
In Mage's Legacy, you play as a brave mage who fights monsters, explores mysterious areas, and uses magic to overcome challenges. Bringing along your familiars, you will search for treasures and solve mysteries to uncover mystical stories and the ultimate secrets of this magical world.
0Wukong Fight in Kaoria
This is a single player action adventure game that includes mythological themed character actions and role-playing, You can use regular attacks and skills, spells, such as magic, celestial phenomena, and body fixing spells, to Fight and defeat the enemies you encounter.
0Retaliation: Enemy Mine
Retaliation: Enemy Mine offers challenging reasoning in a fast, easy and greatly enjoyable format, with the mission of making the spirit of wargaming immediately available to everyone, casual gamers and seasoned strategists alike.
0Squigley
Traverse and experience a massive, cohesive 2D world as Squigley. Use your wits, resources and unique movement mechanics in order to explore this dark digital world.
0THE Z LAND : FPS SURVIVAL
The Z virus infected the planet, and you are one of the last survivors! Alone or in groups you will have to survive in a hostile world populated by living dead!
0Sol Galaxy Defender
Third Person Perspective arcade game. Defend your base against hordes of aliens intent on taking over our Solar System.
0Trains & Things
Build a logistics company from the ground up in this real time multiplayer focused economic strategy game
0Lost Squad
Lost Squad — fan-made Source Engine based game in Half-Life® 2 universe about what happened to Barney Calhoun after Half-Life® 2: Episode One events and why he was not in Half-Life® 2: Episode Two
0Infestus
A Kingdom in turmoil, a rising darkness in the North, will you take on the challenges ahead?
0Momentum Mod
Source movement speedrunning at its finest. Momentum Mod centralizes and improves upon various community movement game types from various Source games. Play user-created maps, climb the ranked leaderboards, and become a master of each movement discipline.
0Battle For It All
Battle for It All is a tactical, fast-paced FPS blending modern military combat with sci-fi chaos. Survive zombies, robots, and bandits in solo or multiplayer modes. Includes realistic gunplay, grounded movement, and co-op zombies action.
0Inbound
Inbound is a multiplayer Third person cover based tactical shooter that aims to bring a authentic experience to players in various environments. It brings players into a familiar 5v5 based environment where players will be able to take part in a range of gamemodes in different maps.
0CommunityUs
The game grows with you - begin in low detail, learn how to play, connect with family and friends.
0BOC: Birth of Cultures
BoC is a historical 4X strategy game. Play on diverse planets with climate simulation and non-linear progression over the last 60,000 years of human evolution. Develop your own ancient civilization starting as a nomadic tribe from the last Ice Age.