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  Cupids Revenge A Free Online Game
Zombi A Free Online Game
Zombi
Nanobot Healer 5000 A Free Online Game
Nanobot Healer 5000
Love Wars A Free Online Game
Love Wars
sam A Free Online Game
sam
NUNNY BUBBLE A Free Online Game
NUNNY BUBBLE
Xynaut Defence A Free Online Game
Xynaut Defence

Online challenging Games
Rocky Rider Game

Plays: 45953
Category: Driving Games
A fun racing game! How many levels can you complete in a challenging rocky terrain, use space to jump and try not to crash.
Sara's Super Spa Game

Plays: 21826
Category: Customize Games
Guide Sara to making her spa a mega success! Be quick to put clients at their appropriate stations and do their requested treatments on time. Make them happy before time runs out to earn big money. You'll have to be careful though: if they aren't satisfied, they'll leave without paying a dime. Attain each day's goal to get yourself to the next level- a more challenging one that is. This game features 20 fast-moving levels, 19 services to perform, a customizable spa, and employees to hire. Indulgence in Sara's Super Spa is hair-raising excitement!
Iron Turtle Game

Plays: 13109
Category: Action Games
A challenging platformer that involves timing and escaping! Overcome platforms and traps by using switches and timed jumping. Use arrows and space to move.
Cursed Cave Crusade Game

Plays: 11103
Category: Action Games
Guide Will Turner through the cute and challenging platform action game 'Pirates of the Caribbean Cursed Cave Crusade' using arrows and space.
Vowel Movement Game

Plays: 6537
Category: Puzzles Games
A combinatorial optimisation game in the same family as Master Mind, Bulls&Cows and Thugs&Bowmen. Test your logic and deduction skills by challenging the computer!
Quamorol Game

Plays: 5057
Category: Puzzles Games
Navigate a ball through many challenging levels using the force field of your mouse. Are you skilled enough to master all levels?
Word Chaos Game

Plays: 83937
Category: Word Games
Put your word skills to the test in this challenging word game.
YoudaSushiChef Game

Plays: 79514
Category: Strategy Games
Youda Sushi Chef is a fun time management game. Your main goal is to keep your customers happy and serve them the right dishes in time to reach your daily target. You really have to rely on your memory skills. Extra features like reservations and take away orders coming in constantly keep your adrenaline going. You start your own sushi restaurant, build your sushi restaurant emporium and finally become the one and only Sushi Chef! Serving your customers all kinds of sushi, your goal is to reach a daily target. Every next level more sushi ingredients will be added and the more complex your sushi making will be. To reach your target in higher levels you can buy upgrades to serve customers faster, make combo's or serve some take-away meals to earn extra money. To keep your customers happy you can decorate your restaurants, perform great knife tricks or serve some sake while your customers are waiting. The game consists of six beautifully designed restaurants, a great choice of different sushi recipes, lots of bonuses, combo's and upgrades. Youda Sushi Chef outshines by beautiful design and a challenging game play.
Memory V Game

Plays: 27118
Category: Memory Games
In this game there will be a grid of cards. You will be given some time the memorise the contents of the cards, after that the cards will be covered. You will then need to open the cards, but you need to avoid the bombs otherwise you will lose the game. You can score more if you can remember the positions of the same items and then open them together. As the game progresses there will be more and more cards and the game will be more and more challenging.
Assembler 2 Game

Plays: 24570
Category: Puzzles Games
Assembler returns with more challenging levels! Assembler is a physics based puzzle game made by Bryce Summer using the Box2D physics engine.
Music Bounce Game

Plays: 13710
Category: Puzzles Games
The object of the game is to use bouncing balls to clear all the notes on a stage. Each level has a maximum amount of ball gates you can open. If 50 levels aren't enough for you, check out letsmakeagame.com to play user-created levels and make your own!
Paint it Black Game

Plays: 8164
Category: Action Games
avoid the hearts and collect the razors, show the world much pain you are in :(
Rings of Color Game

Plays: 7136
Category: Puzzles Games
Really simple to play puzzle game. The first few levels are pretty easy then it gradually gets more challenging. Just click to rotate the 4 rings clockwise until they match the right colors in the center.
Smiley Memory Game

Plays: 6756
Category: Action Games
Find all the pairs of matching smilies in this challenging action puzzler based on the classic Memory game! Keep an eye on the time, and don't make too many mistakes, or the smilies will start to move around. Try to complete all 25 levels in each of the 4 difficulties!
towers Game

Plays: 3735
Category: Puzzles Games
Puzzle game, "evolution" of 90's electronic toy: Lights Out. 30 levels to beat with the minimum moves as possible. Very challenging!
Bricks Breaking Game

Plays: 2907338
Category: Puzzles Games
In the game of Bricks Breaking there is a grid of bricks of different colours. When you click on a grid, the bricks that are all the same color will break, collapsing and causing the remaining bricks to merge. If you find during the game that there is a single brick that would help to be removed, use a magic wand and this will help to elongate your game. The game ends when you run out of magic wands and you can no longer destroy bricks by groups. This classic game of Bricks Breaking is an challenging yet awesome game to help pass time!
Bouncing Balls Game

Plays: 2412621
Category: Puzzles Games
In the game of Bouncing Balls time is working against you as the balls slowly move down forcing the player to quickly strategize a way to destroy the balls. The Player does this by forming groups of three or more balls of the same color in a fast and effective way. After destroying a group of balls the remaining balls that were attached to the ones you destroyed will also fall and be demolished. Fun tip for the game: Shooting a ball against the wall allowing it bounce will effectively destroy balls. Be careful to not be to slow because if the balls reach the bottom of your screen you will lose! This challenging game is sure to make any player have fun!
Pyramid Solitaire Game

Plays: 576440
Category: Cards Games
In this game extremely fun card game there is a pyramid of cards. You must remove all the cards in the pyramid. The kings can be removed by themselves but the other cards must be removed by matching with another card that sums up to 13. When there are no more moves, you can uncover a card to see if it can be matched and removed. This game is perfect for someone who loves challenging fun card games!
Air Traffic Controller Game

Plays: 319742
Category: Strategy Games
Air Traffic Controller is a super fun game that provides the player with highly realistic radar behavior. This game is definitely perfect for the aviation enthusiasts and aspiring air traffic controllers. Make sure to do your job right because the boss is very strict! As you play each level will progressively become more difficult as well as higher in the level of complexity. Do not worry though this game although challenging will provide you with a lot of fun and cure any boredom you may be facing. So get started navigating the skies!
Law & Order: Criminal Intent Game

Plays: 115718
Category: Adventure Games
In Law & Order: Criminal Intent, a man is found floating in the East River. The police need to find out who he is and what happened to him. As Detective Robert Goren, uncover a trail of drugs, corruption, and revenge to find out who wanted the victim dead. Survey the murder scene, use psychological tactics to interrogate witnesses, collect evidence and run tests, and solve challenging puzzles in order to arrest the perp.

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Tips: Go to Gameplay and choose Win On Timer for games where the enemy doesn't shoot and there is no way for you to be destroyed.