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Team Sonic Racing

Team Sonic Racing is a racing game preceded by Sonic & All Stars Racing Transformed game developed by Sumo Digital only focusing on Sonic courses.

TY the Tasmanian Tiger 3

TY the Tasmanian Tiger 3 is a platformer game created after the sequel in 2005.

Call of Duty: Infinite Warfare

Similar to the previous games in the series, Infinite Warfare is a first-person shooter. As the game introduces a new setting, outer space, new gameplay mechanics, such as zero-gravity environments, are included. Players are equipped with a boost pack, and a grappling hook, which allow players to move in these zero-gravity environments easily. As the game is set in space, players can visit different planets, satellites and asteroids in the solar system. (Wikipedia)

Assetto Corsa

Assetto Corsa is a racing game/simulation with a strong focus on realism.

Boson X

Quantum jump from planck to planck as you hit critical velocity in Boson X, a new rotational runner from Mu & Heyo. Build up speed inside a massive particle accelerator and generate high-energy collisions to discover strange new particles. Use precise timing and fast reflexes to navigate a subatomic world where floors and ceilings don't exist. Will you be fast enough to find the elusive Boson X?

Free to play. Visit developer website or Desura, or buy it on Steam for a few bucks.

Age of Empires Online

Age of Empires Online (abbreviated AoEO), is a history-based RTS. The game is free-to-play—it is free for users to play, with the additional option of earning or purchasing premium content. Premium content may include access to many special items and blueprints, and more quests and features. Also, booster packs are now available, such as Defense of Crete and Skirmish. This former gives the player the ability to play in a survival type mode game, while the latter allows up to four humans versus up to four CPU opponents in a more traditional skirmish gamemode. (Soure: Wikipedia)

Age of Wonders

Welcome to the Age of Wonders, once a time of magic and peace. An age swept into the ravaging gale of chaos by the arrival of a single, uninvited race: the Humans. The fragile balance that existed between the ancient races, Elves, Dwarves, Orcs and others, has changed into a struggle for power and survival in the wake of the turmoil the Humans have brought to the land. Prepare for an adventure where you will uncover wondrous ancient artifacts, awesome magical power, and the secrets of a shattered empire. Ally with the forces of light or darkness to determine the fate of the earth in the Age of Wonders!

Universe Sandbox

Universe Sandbox is an interactive space gravity simulator. Using Universe Sandbox, one can see the effects of gravity on objects in the universe and run scale simulations of our Solar System, various galaxies or other simulations, while at the same time, interacting and maintaining control over gravity, time, and other objects in the universe (moons, planets, asteroids, comets, black holes, etc.) Currently this software is only available for Windows based PCs.

Portal

Portal is a Source-engine puzzle game. Players use a first-person perspective to explore a three-dimensional environment that is broken up into a series of levels. The only device available to the player is a portal-placement gun that is used to solve the puzzles. Players can place up to two portals that can then transport the player (or anything else) through them.Portal is a puzzle-lite game with an emphasis on faster replays and conditional achievements.