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Top freetagged Difficult and Open Source (56 results)

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

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Expertly retrieve important luggage that has found it's way onto the wrong flight.
Puzzle
Play in browser
Open-source Touhou fangame
Shooter
A puzzle game featuring romance, explosions, and daytime television.
Puzzle
Play in browser
Space hopping square
Platformer
Play in browser
A hard-as-nails platforming collectathon!
Platformer
Play in browser
Help! My adventurers are terrible and will be not be able to defeat the dragon!
Strategy
Play in browser
A game of pure platforming.
Platformer
A fast paced swinging precision platformer for GameBoy
Platformer
Play in browser
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
A study of consequence
Action
Play in browser
if you want to play hyperhyper or see the project files
Racing
A mix between game development and research!
Platformer
haha hole is pretty cool
Shooter
Play in browser
A fast-paced rhythm game that uses your own music! Also open-source!
Action
Run, jump, avoid dangers and don't forget to collect coins!
Platformer
Play in browser
Bribe cops to be your merry men and become Robin Hood of the modern age!
Shooter
Play in browser
Narrative ASCII precision platformer.
Platformer
modular synth inspired robot game
Puzzle
Play in browser
Made for OpenJam2018!
Action
Play in browser
two-timeline kaizo-lite platformer
Platformer
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
Occult difficult word building puzzle
Puzzle
pascalabc
Shooter
Run and Gun Inspired by Alien Vs Predator
Action
Dodge the incoming blocks!
Survival
Pinball with a devilish twist
Platformer
Play in browser
Dynamic top-down shooter
Shooter
Blokdude is a remake of the TI Caluculator game from Brandon Sterner as well as the blockman game from Soleau Software.
Puzzle
A wave-based fighter where you have to survive against waves of enemies.
Survival
Minimalistic 2D shooter
Action
An IWBTG Fangame
Puzzle
A small, but difficult, bullet-hell game
A game where you jump and then jump again
Platformer
Play in browser
A high speed 2D platformer movement shooter
Platformer
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