Difficult

Epigraph is a short, challenging, language decipherment puzzle game.

"Murasaki" is a puzzle explosion game. Use explosions to clear the screen of pesky obstacles filling it up. The only controls you need are the directional buttons and two other buttons (Z and X)!

ADOM (Ancient Domains Of Mystery) is one of the most successful roguelike games ever created, boasting a brilliant mix of story, RPG, exploration, and intensely strategic & flexible combat. The Steam version adds various features like achievements, difficulty level customization & play modes.

Eroico is a colorful, lighthearted platformer with monster-girls and sexual content. Journey across the land, battling and escaping the grasp of monster-girl foes in your quest to defeat the demon lord!

The GoD Unit is a first-person physics-based puzzle game set in a near pre-apocalyptic future, featuring the mass manipulation ability and other familiar and beloved puzzle mechanics.

Forge your own cards with triggers, actions and modifiers. Shape your deck and gamble against Death itself. Make one mistake and you will descend into despair.

You are Garlic, an onion-headed boy and you want to climb the Sacred Tower to meet the Cyber Goddess to seduce her...

Strategy simulator of the Great Pyramids period, where you take your path from the unification of Egyptian tribes to the foundation of The First Empire. Developed with the assistance of Egyptologists.

You are Octodad, a dapper octopus masquerading as a human, as he goes about a day of his life. His existence is a constant struggle, as he must master mundane tasks with his unwieldy boneless tentacles while simultaneously keeping his cephalopodan nature a secret from his human family!

TYPECAST is a bullet hell where you type to shoot. Get swarmed by enemies, manage the chaos, and climb the leaderboards in this unique arcade experience.

Killer Sudoku (Sumdoku/Mathdoku/Addoku) puzzles include all the rules of regular Sudoku, but add in dashed-line 'cages', which must sum to given values. This great brain exerciser will provide you many hours of new Sudoku experience and be nice addition to your puzzle collection.

Discover the lost treasures of Ukampa in South America as Aban Hawkins searches for his estranged father, world-famous archeaologist, Jim Hawkins. Aban Hawkins races into the frozen tundra of the antarctic, undiscovered temple ruins and the vast caverns of South America in search of his father and the legendary treasure rumored to lie...