Open Source Games made in GameMaker Studio 2 and GameMaker: Studio 1.4
Browse this collection of open-source game jam projects to download for free. Learn from and look through other game developers' code and assets to help and improve your skills.
Copyright and intellectual property rights still apply. Contact the developers for permission to re-use code and assets.
Repetition of Demolition
A superhero, trapped in the bad guy's lair. But it's not just physical barriers keeping him there. A Room Escape Puzzle Game.

Infernal Wyrm
Take control of a parasitic wyrm over the course of 13 levels in this surreal, experimental entry.

Mixel City
Mixel City! No Mixels Guaranteed! A stealthish, strategy game!

No Matter What
No Matter What is a bullet hell about growing a plant, no matter what it takes.

Gather The Townspeople
Gather The Townspeople! GROW your arm and destroy the Dragon that has been terrorizing the land.

Seascraper
Build a fragile tower to escape the ever rising sea levels.

Play If You Dare!!!
Play If You Dare is a bullet hell where you GROW over time making it even harder!

McBrew
McBrew is a frantic shop-owning experience where you grow both plants to sell your customers as well as your business as a whole

Pixel People
Using your godly powers of lightning and rain, you must nudge a small pixel society along its floating island home.

Nightmare Nursery
Run a teeny boutique of nightmares selling demonic plants!

Deck Deployment
This is a card-based, tactical strategy game where you must deploy waves of forces to defend your castle and defeat the enemy.

TwoSideTopDownSurvival
Portal between the two sides of the screen to protect your bases and get the highest score in this top down shooter.

SUPER SPACE
A bullet hell game where time only moves when you move.

The Kingdom Of Land
Can you turn the tide in the battle against the Sea?

On the Flip Side
A card game where your cards have 2 sides with different effects

One Side Two Side Red Side Blue Side
Take on this classic Red vs Blue arcade style shoot em up. Try to change the whole map to your colour to win!

Upon the Great Pelagic
Find new species! Search high and low, literally!

Slime Well
Slime in a well? Don't get popped!

Hybrid Commander
Buy and position units in your army, then fuse your soldiers together in this strategic two-sided auto battler

Don't Get Crushed
A true reaction speed test. Controls: Left/Right or A/D for movement. M to toggle mute.

Conquer in the Light
Stay in the Light, for in the dark you are vulnerable, and unable to defeat the enemy.

To-Littleville
Some sort of tycoon game about beavers but you can also have a face.

Leviatron II
A lone adventurer faces a challenge in a volcano...

Small World, Big Brain
Solve a puzzle on a planet that only has gravity on one side.

Crop of Life
Play the roll of god and keep the humans alive with plants, sunshine and water on this small world

goose no lose
time is running out and you got a goose to look after! Honk! Your boat is small too. Who will make it and who will leave behind?

Habitat
An ecology simulator/god game. Balance your small world against chaotic events, and interact with a realistic nature simulation.

Planet Doom
Turn on the 4 main systems and escape from Planet EQ-48 while keeping the core alive!

Hey, Astronaut. We're Out of Milk!
Why don't you run to the store and pick us up a gallon?

Troll's Crabby Island
One of the Trolls has went to adventure and stranded himself in a tiny island middle of nowhere. Unfortunately, it's crabby