Skip to main content

Indie game storeFree gamesFun gamesHorror games
Game developmentAssetsComics
SalesBundles
Jobs
TagsGame Engines

Oldest freetagged Difficult and Open Source (58 results)

Explore games tagged Difficult and Open Source on itch.io · Upload your games to itch.io to have them show up here.

New itch.io is now on YouTube!

Subscribe for game recommendations, clips, and more

Minimalistic 2D shooter
Action
Space hopping square
Platformer
Play in browser
A fast-paced rhythm game that uses your own music! Also open-source!
Action
A disturbing take on the classic platformer formula.
Platformer
Play in browser
Made for OpenJam2018!
Action
Play in browser
A game of pure platforming.
Platformer
A 2D physics puzzle
Puzzle
KEEP GOING
Puzzle
16-bit DOS action game for 1980s Computers. Like City Bomber, but very different.
Action
Coronavirus the phantom menace.
Shooter
A puzzle game featuring romance, explosions, and daytime television.
Puzzle
Play in browser
Simple to learn, hard to master. Do YOU have what it takes to master ColorSpasm?
Puzzle
Play in browser
Make all birds in the flock happy so they can directly fly to their friends without crashing into each other.
Puzzle
Play in browser
two-timeline kaizo-lite platformer
Platformer
Play in browser
modular synth inspired robot game
Puzzle
Play in browser
A hard-as-nails platforming collectathon!
Platformer
Play in browser
Pinball with a devilish twist
Platformer
Play in browser
A small, but difficult, bullet-hell game
This is my first game hope you like it :D
Play in browser
Expertly retrieve important luggage that has found it's way onto the wrong flight.
Puzzle
Play in browser
pascalabc
Shooter
a top down action packed mashup of everything i could think of
Action
Fast paced roguelike where you break everything in one hit, ...but so do your foes
Action
Play in browser
Can you last 30 seconds?
Platformer
Play in browser
A study of consequence
Action
Play in browser
thomas is getting revenge oh no
Shooter
Play in browser
A game where you jump and then jump again
Platformer
Play in browser
Occult difficult word building puzzle
Puzzle
You are Lost in the Void.
Platformer
A mix between game development and research!
Platformer
Run and Gun Inspired by Alien Vs Predator
Action
Help! My adventurers are terrible and will be not be able to defeat the dragon!
Strategy
Play in browser
Bribe cops to be your merry men and become Robin Hood of the modern age!
Shooter
Play in browser
Loading more games...
itch.io now on YouTube!