Top rated freewith code under GNU General Public License v3.0 (GPL) tagged Difficult (28 results)
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A roguelike dungeon crawler RPG that's simple to get into but hard to master!
Rated 4.8 out of 5 stars
(74 total ratings)Role Playing
A puzzle game featuring romance, explosions, and daytime television.
Rated 4.8 out of 5 stars
(12 total ratings)Puzzle
Play in browser
A hard-as-nails platforming collectathon!
Rated 4.4 out of 5 stars
(9 total ratings)Platformer
Play in browser
An advent-ure!
Rated 4.7 out of 5 stars
(7 total ratings)Platformer
Help! My adventurers are terrible and will be not be able to defeat the dragon!
Rated 4.2 out of 5 stars
(9 total ratings)Strategy
Play in browser
Yin and yang platformer with hidden landscapes.
Rated 4.4 out of 5 stars
(7 total ratings)Platformer
Play in browser
A game of pure platforming.
Rated 5.0 out of 5 stars
(5 total ratings)Platformer
a top down action packed mashup of everything i could think of
Rated 4.8 out of 5 stars
(5 total ratings)Action
This a port of Matthias Falk's UPWARD for the Playdate handheld!
Rated 4.8 out of 5 stars
(5 total ratings)Platformer
Survive Ragnarok with a ballista and traps!
Rated 5.0 out of 5 stars
(4 total ratings)Strategy
Play in browser
A Mind-Bending Puzzler!
Rated 4.5 out of 5 stars
(2 total ratings)Puzzle
Play in browser
A fast-paced rhythm game that uses your own music! Also open-source!
Rated 5.0 out of 5 stars
(1 total ratings)Action
A racing game that defies gravity and time.
Rated 5.0 out of 5 stars
(1 total ratings)Racing
Occult difficult word building puzzle
Rated 5.0 out of 5 stars
(1 total ratings)Puzzle
A side-scroller based on good ol' Flappy Bird.
Rated 5.0 out of 5 stars
(1 total ratings)Action
Play in browser
Run, jump, avoid dangers and don't forget to collect coins!
Rated 5.0 out of 5 stars
(1 total ratings)Platformer
Play in browser
A tale of difficult paths.
Rated 5.0 out of 5 stars
(1 total ratings)Action
Play in browser
A top-down enemy grinder using primarily cold weapons
Rated 5.0 out of 5 stars
(1 total ratings)Action
superboats returns! a challenging, uncomplicated arcade battle
Rated 5.0 out of 5 stars
(1 total ratings)Action
A rapidly accelerating pseudo-sports arcade game.
Rated 3.0 out of 5 stars
(1 total ratings)Sports
Light The Darkness, keep foes away.
Rated 2.0 out of 5 stars
(1 total ratings)