I Must Run2010

The super-addictive and very, very hard platform game finally arrives on Steam - it's quite possibly the world's hardest game! As well as five classic Impossible Game levels, this desktop version includes an EXCLUSIVE new Level Editor.

Take up the fiercest challenge and fight from the Oracle's island to the summit of Olympus. Hero of Sparta features an innovative double-view system combining absolute action and platforming. Face legions of enemies across eight levels of action, with the most impressive mythical creatures standing in your path -- Cerberus, the Colossus, etc. Upgrade your equipment to gain the the Chronos Sword, the Medusa Shield, and more.

Use your Parkour skills to outrun the destruction of your city with just one button! One of the most popular and best-loved Flash games of 2010, Canabalt was created in 5 days for the Experimental Gameplay Project, and features a rad soundtrack by superstar indie composer Daniel Baranowsky (Super Meat Boy).

Jetpack Joyride is a 2011 side-scrolling endless runner/action video game created by Chief Creative Officer Luke Muscat at Halfbrick Studios. Originally released for iOS devices on the App Store on September 1, 2011, the game has since been ported to many other systems. The game features the same protagonist as Monster Dash, Barry Steakfries, who the player controls as he steals a jet pack from a top-secret laboratory. The game has been met with very favorable reviews, and has won numerous awards.

In Where is my Heart? you play the story of a family of forest spirits. The family lives comfortably in a tree in the woods until one day they lose their home and thus embark on a great adventure. Their journey will take them through the mushroom caves and even deeper down to the lifeless crystal pools and back up into the mountains. Where is my Heart? offers a unique gameplay experience - the world is broken up into fragments, which you have to piece back together in your mind. It gets even more complicated as you proceed. The Rainbow Spirit allows you to rotate the world around and jump across space. The Bat King can see hidden platforms which only exist for him. Help the three spirits find their home tree again!

Pix'n Love Rush is a retro-styled, jump'n'run platformer with over 125 levels of pure mayhem fun.

Having been awoken from his eternal slumber by the reappearance of Castlevania, Alucard must once again face the evil minions of darkness. Use your vampiric powers, along with weapons, potions, and other magical relics to change the tide of battle. A mixture of platform and role-playing action with many hidden areas and secrets. Can you discover them all?

Sonic the Hedgehog 2 is a side-scrolling platform game and the sequel to the original Sonic the Hedgehog. Players control Sonic as he traverses larger, faster-paced levels across West Side Island, collecting rings, defeating robot enemies, and pursuing Doctor Robotnik. The game introduces Sonic's sidekick Miles "Tails" Prower, a two-tailed fox who can be controlled by a second player. It also adds the spin dash move, a competitive split-screen multiplayer mode, and pseudo-3D special stages in which players collect rings to earn Chaos Emeralds.