Generic platformer game where you can only move less than 20 times.

You're tasked to complete 20 levels, spending only 20 seconds in each and with only 20 lives total.

Semi turn based platformer where you play as a hungry gremlin and every day is your birthday. #GM20

1v20

An optometry-themed rhythm game.

A Super Hexagon clone made in 20 lines of code for the #GM20 Jam.

Retro Car Game

Solve the puzzle. Avoid your clones.

A game with 20 inputs

Kill 20 Zombies to win!!! Minigame make for The GameMaker 20th Game Jam

Shoot 20 Enemies, For 20 Seconds, along with 120bpm songs!

Small things matter

Fast-paced platformer about collecting things under a time limit

Protect GM headquarters from bugs for 20 turns

The town is under attack, you have one cannon to protect it for 20 days!

Use time control to save the world in 20 seconds

Can You Survive The Hordes of 20?

Complete 20 challenges, each with a 20 second timer.

Mine through 20 floors of a collapsing mine while making discoveries and finding precious loot!

A small and sad game about growing up

An arcade style shooter

Real-time arena based combat... with dice!

Squishy Golf - GMS2 Twenty Year Game Jam Entry

Protect and Serve? Patrol and Swerve!

20x20 Grid Shooter game having only 20 Seconds and 20 Bullets limit to survive

A story game where you see what it's like to be 20 for a day

In this short puzzle game you have 20 Gems to find and many dangers to sneak out...

Collect Energy Tanks to regain your health, and steal your opponents health.

A point-and-click puzzle game

A fun stealth game for the GameMaker 20 Jam. Where you only have 20 bullets

UO20

Shoot Em Up Apocalypse! :)

A Simple Low Res Game

Emu is an oldschool game console emulator with very-lowres 20x20 display (gamejam theme)

A small game about a snake named Sneka, which is written in 20 unreadable lines of code.

Try and Keep your commander alive

Save your love living an adventure of monsters & quests until level 20 and defeat the final boss.

platformer action.

Turn based Classic Roguelike meets Card action

Defent the base from the evil numbers.

Camera is 20x20 pixels. Room is 20x180 pixels.

20 Years in 20 Seconds • Runner & Record

To celebrate GM 20 Years I made this very simple game. It has a ninja that can move to the sides.

TDS shooter using 20x20 resolution, you are cool guy and you need to kill ninjas.

gamejam

​20s is a platformer game where you need complete level less than 20s.

A revolution in stadium viewing technology!

Red Crystal Dragon is adventure of two best friends Tennita and Color.

A maths game about a zoo