Space Castle!

Cave Story, or Doukutsu Monogatari, is a Japanese freeware PC side-scrolling platformer game developed by Studio Pixel . It has been translated into English by Aeon Genesis Translations

[Frogatto & Friends is free and open source on Windows and Linux, on the other platforms it costs $4.99].

The Iconoclasts is a graphically beautiful platform game with well written dialogue and flourishes with character.

A cute physics platformer that plays in a fictional world of the future the infamous super villain Dr. Lacroix schemes to seize world supremacy with his army of robots. You take the role of Nikki and try to cross those evil plans on behalf of a secret organization. Your quest will take you to various locations: from futuristic metropolises to submarine facilities, floating islands, and even as far as orbital space.

Capsized is a retro-inspired 2d platformer developed by Alientrap. Presented in a unique hand drawn art style. As a intrepid space traveler, you have crash landed on a mysterious planet and soon discover you are not alone.

A fan-made game based on the Castlevania series. Play as Efrain Lecarde, a knight of the church, who is sent to investigate a strange event that occurred in the cemetery of his hometown of Segovia Spain.

Descend into the DarkVenture down into a beautiful, ruined world of insects and heroes

The year is 2188. The city is protected by an organization called "The Peacekeepers League" and everything is swell except for that it's under attack! By a robot army lead by professor Darnacus Damnation!!

Super Mario Fusion Revival is a fangame project that focuses on Mario and crew traveling to different worlds, with crossover content from different Super Mario games. Throughout the game, the core Mario-style game mechanics is kept, in addition to a few new features.

Sword Of Dimensions is a platform game with elements of environmental puzzle. You control lone traveler who accidentally finds a way to strange world with no sunlight. Grab your sword and prepare for long journey. Use sword to get rid of hostile enemies or use shield to withstand their attacks. Break walls and crates, find way to exit. Prepare to travel around rooms using special sword abilities (will be unlocked as you advance into game). To travel from one room to another you have to solve nogravity puzzles. First part of game will have over 15 rooms and some boss rooms. »

"The Balloon Quest" is an ambitious 2,5d indie game platformer (PC&Mac) which will win you over with a lot of love for detail and fresh gameplay mechanics. The game revolves around the development of two little kids: a boy and his sister with her balloon. They live through adventures together and have to learn how to cooperate as they are diving further and further into their own, lovingly designed fantasy world. The game addresses not only practiced players but the whole family, and is also suitable for a younger target group. The gameplay requires both skills as well as riddle solving abilities and combinatory thinking, and shows that computer games also provide a ton of fun without any violence and bloodshed. »

Super Mario: Blue Twilight DX is a non-profit unofficial fangame based on the Mario universe. It combines elements from 3D Mario titles with classic, 2D gameplay, set in Halloween-themed levels.

CheeseMan is a 2D Platformer where you play with that little piece of cheese called “CheeseMan”.

The winter is coming. Crazy hamster forgot to store his supplies. Now he has to visit different lands before winter to find food. Hamster is so crazy that he sees nothing but fruits. The lands he visits are full of traps and obstacles he won't even notice. You have to help him and neutralize those traps. There's no time to loose, the hamster has already set off!Control the world Hamster lives in by building bridges, extinguishing fire or putting a ladder. Change the land's slant to accelerate Hamster's speed. »