| Online Sci Games |
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 Strike Fleet Athena Game
 
Plays: 4460
Category: Adventure Games
Take the role of an Ensign in Commander Acey's fleet and help Task Force Perseus launch a counterattack against a maurading alien fleet! Land your shuttle on various planets in the Rho Theta system to upgrade the Athena Attack Fleet before the enemy spaceships arrive! |  Repel Magnets Game
Plays: 4430
Category: Action Games
COLORFUL!---SCI-FI!---MAGNETS!---NEED YOU!---to repel them to their respective LANES!!,......would YOU be their HERO ?,..... |
 Earth Tower Defense Game
Plays: 4419
Category: Action Games
An exciting tower defense featuring lots of enemies and 30 levels.
It is simple, addicting, and CHALLENGING.
Make Earth Tower Defense your next favorite tower defense game. |  Space Madness Game
Plays: 4307
Category: Action Games
brutal space shooter game |
 Defensor Game
Plays: 4233
Category: Action Games
The enemy missiles are atacking your six cities.
Your only defense is dropping some bombs to kills them.
The ship defines where the bomb will explode |  Steampunk Killer Game
Plays: 4167
Category: Action Games
First person shooter game in Steampunk world, battle through 10 waves of shooting rage, unlock 12 trophies and beat the highscore |
 Gravity Wars Game
Plays: 4095
Category: Action Games
Gravity Wars is a turn based Puzzle/Combat game where you must use the force of gravity to bend your missiles toward your target.
There are 50 levels in Puzzle mode to attempt, or jump into Battle mode and generate Random maps to play against your friends in hotseat mode, or against the Computer. |  Corporate Wars: The Second Wind Game
Plays: 4088
Category: Action Games
Take part in a new war on the planet PX-21. Build a towers, defend the base and win! Learn the history of PX-21 in 8 new bloodiest chapters.
- Classic tower defence in sci-fi setting.
- 8 addictive missions.
- Lots of different towers.
- Tons of enemies and FUN! |
 Prizma Puzzle 2 Game
Plays: 4080
Category: BoardGame Games
Challenge yourself to 40 levels of chain-reaction puzzles! |  Alien Marauder Game
Plays: 3942
Category: Action Games
Play from a choice of two alien marauders, Brimstone or virago and battle through multiple levels to find their human informer, Charlie, only to discover a darker secret. Reveal a sci-fi story of two battle- hardened aliens, who fight against the evils of humanity, that wish to use their own planets' advance technology to destroy their kind!
Traverse across terrain filled with challenging obstacles with in-depth shooting system that allows strategy and approach to enemies by jumping to higher or lower platforms.
Discover a vast array of weapons Handgun, Laser gun, Rifles, Revolver, Grenades, Rocket Launchers, and RPGs |
 HD Spectralis Game
Plays: 3861
Category: BoardGame Games
Sci-fi collectible card game. This new version of HD features new cards, additional gameplay modes and multiplayer. |  The Pixel Pirate Game
Plays: 3846
Category: Action Games
An exciting 2D RTS-lite game set in space featuring cute, pixelated graphics and retro sounds.
Become the ultimate space pirate as you attempt to take over the galaxy!
THE PIXEL PIRATE FEATURES:
Amazing retro look and feel.
Over 20 exciting levels!
An online score board.
Randomly generated levels.
Special upgrades - unlock ships and new abilities as the game progresses! |
 Galactic 123 The Mission Game
Plays: 3825
Category: Action Games
Galactic 123: The Mission. The militaristic Terran Union controls a considerable region of space. A league of planets, however, have rebelled. In order to stop the rebellion, a special team is sent. Things go wrong soon enough. The player gets to control several weapons and upgrades, to fight many enemies while visiting different places. How to play: Move with arrow keys / WASD keys. Aim and fire with mouse. More instructions given in the game. |  Hyper Collider Game
Plays: 3721
Category: Action Games
A retro sci-fi themed mouse avoider game. Dodge asteroids and perform difficult maneuvers for bonus points. |
 Nocran Space Game
Plays: 3690
Category: Action Games
Stop the Nocran army from reaching planet Earth in this epic top-down shooter |  Deep Space Scrapper Game
Plays: 3670
Category: Action Games
Blow stuff up in space with lasers.
Be the A.I. of a heavily-armed space probe and vaporize scrap for your "Papa's" one-man salvage operation; choose your weapons and rake in the cash.
Bored with story mode? Unwind in five unique Challenge Modes. |
 R4CE 2078 Game
Plays: 3661
Category: Action Games
You are car thief in year 2078, you have to run from mars city with stolen car to your hideout. Upgrade your hacking device, drive like crazy and become the best speed racers thief in solar system! |  Mytheria Game
Plays: 3637
Category: Strategy Games
A sci-fi card game. Defeat your opponents with creatures and spells, test strategies, and build your own decks.
Want to help design the sequel? Come add your ideas at our forums: http://www.diffusiongames.com/forums, or sign up for the mailing list at http://www.diffusiongames.com/mytheria |
 Darktopia Game
Plays: 3625
Category: Action Games
Darktopia is a platform game about a woman trying to escape from an ancient ruin populated by undead creatures. You will play as Lorraine. Your expedition team was tasked to acquire the infamous Idol of Tavor from an ancient ruin deep in the Tavor jungle. It was an ordinary expedition until the ruin's denizens who guarded the Idol started to attack. You managed to survive the attack but got badly injured. You have to recover your strength and find a way to escape the cursed ruin. But beware, such task wont be easily accomplished!
Explore the vast structure, collect items to gain new abilities, kill monsters, acquire the infamous Idol of Tavor, and find a way to escape. |  Astroseries Millenia Game
Plays: 3608
Category: Action Games
An epic sci-fi adventure game with a great storyline. |
