Co-op & Multiplayer Games

The Genesis Project is an attempt to replicate Sburb from the popular webcomic Homestuck, made by Andrew Hussie.

"Loud Run" is a 2-12 player fun multiplayer game. The Chaser tries to catch all the Runners within the range of their voice. When the Chaser runs out of breath, it's the Runners' turn to take down the Chaser. Prepare your breath; a looooong adventure awaits you!

LOST & FOUND is a free to play dynamic sorting game. Match forms to the right items and build your own warehouse, or compete with your friends in multiplayer mode after your shift is over.

The genre defining VR model train game. Build and ride the model train layout of your dreams without the cost and excessive model foam dust getting in your nose!

Free Prologue to Technicity, a first-person city-building game with powerful tools that allow you to build faster and bigger. Design your own construction blocks and furniture in factories, terraform the open world, use vehicles to travel in cities that you or your friends create in solo or co-op.

ImpossiBowl is a Chaotically Challenging Bowling Game with Platforming mechanics. Explore a variety of Weird Levels, Unlock new Balls and Powers on your journey to become the Champion!

Darkness is coming. How long can YOU survive? Build your base by day, defend it by night. Play in online or local co-op. Stay alive as long as you can.

Every keystroke powers your car across endless neon highways, from glowing deserts to midnight forests. Collect, customize, and embark on a driving journey, all while boosting your productivity.

Chaotic bacon-flavored beat'em up with plenty of enemies to smash around

A short sandbox rpg game that takes place on a square planet. Explore the world, gather resources, build a home and become stronger.

Relaxing city builder where you grow a vibrant metropolis, produce goods, manage transit and build iconic landmarks at your own pace.

Whether you're a 60s rolling stone, a 70s disco queen, an 80s big hair rocker or you're just a walking music database, prove your skills and steal the scene in this party game.

Blip is a platform where players and creators come together to build, play, and share unique gaming experiences. An open-source alternative to Roblox.

Ninza is a free multiplayer game like no other! Instead of directly attacking your opponents, you crush them by pushing pieces of the level. Embrace chaos and dive into an entirely new level of frenzied and creative gameplay, where the environment itself becomes both your weapon and your enemy.

Back with new weapons, new enemies, and with more circuits to break than ever! Destroy millions of robots in this free-to-play shooter with up to 6 players local or online.

Zoom through gothic streets in this horror themed vehicular combat racing game!

Build your café, brew perfect coffee, and sabotage your rivals in this chaotic multiplayer café simulator. Start small… and learn how far you’re willing to go.

Sentience is a multiplayer team hide and seek game set in a sci-fi dystopian world. Work together to take down the system or put a stop to the newly sentient resistance.

Minimalistic ragdoll fighting game created in 7 days. Only play this game if you're curious where Drunken Wrestlers 2 came from, or feeling nostalgic.

Have YOU ever wanted to flip your friends? How about driving a forklift? Or maybe picking up boxes too heavy for the mortal man? Well now you can, in Forkdrift! Forkdrift is a online PVP game centered around action-packed, competitive forkdrifting!

The Bonerooms is a goofy horror-themed multiplayer game about surviving in a living maze. What will be your downfall? The spooky inhabitants of the maze, or your fellow players?

A wave-based FPS for 1–4 players, made with passion by one dude! Pick your load out, mow down hordes, Roast Mr Hotdog and earn cash. Spin Vegas-style slots (random box) between waves for upgrades, compete for the best score, and see if your luck (and skill) can keep you standing. Can you survive?

HYPERFIGHT is a fighting game where every hit is lethal, and every win counts. Lightning-fast 1-on-1 duels!

The first intellectually non-discriminatory chess variant. Instead of thinking, just move your pieces in one of the many absurd ways!

Bring your original deck of cards and play against everyone!

NERTS! Online is a fast-paced competitive solitaire game for you and up to five of your friends, played the same way we play it at the Zachtronics office!

Play solo, or grab a friend and embark on a bite-sized co-op combat adventure fighting toy monsters, picking them apart, while you stitch together your uniquely customized Stitchlings!

Dig for resources, upgrade your gear and defend your gate against relentless zombie hordes as you uncover the mystery hidden beneath the world. Play solo or with up to 4 players.

Cloud Crashers is an action-packed, character-based arena platform fighting game. Choose from a diverse roster of challengers with unique weapons and abilities, and battle it out across airborne stages in fast-paced PvP matches.

Ultra Fight Kyanta 2 is a fighting game with a frantic pace and easy to learn controls. You can perform special attacks using single button presses! Fight in 2D battles across various modes using teams of hand-drawn characters.

In this turn based tactical card fighter, you will learn the secrets of Kung Fu, master control of your formidable Chi Energy and perfect the legendary Dim Mak death touch.

Drift.Wav is a casual drifting game with a synthwave inspired aesthetic. This game is not meant to replicate / simulate actual drift mechanics, but more serve as a fun & relaxing game where you can slide in a synthwave inspired world. See if you can drift your way to the top of the leaderboard!

Classic arcade nostalgia and modern-indie design collide in this shooting-gallery boss battler! Play as a one-man army in offline solo OR bring a friend in online co-op/versus mode! Supports Mouse AND Lightgun play!

Welcome to the world of Freight Hopper. A high-octane first-person parkour experience. Test your spontaneous planning and reach the goal as fast as possible!

Feud is a turn-based strategy game. Swap pieces on a four-by-four grid to isolate your opponent's pieces, or go straight for their King. Hone your skills against three AI characters with distinct play-styles, then challenge your friends online or on the same screen.

With You is a cooperative two-player puzzle-playground. It's a tiny game that hopes to inspire couples to connect, communicate, and collaborate.