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  Fist Pumpin A Free Online Game
Defend The World A Free Online Game
Defend The World
Pumpkin vs Zombies A Free Online Game
Pumpkin vs Zombies
Uberroids 9000 A Free Online Game
Uberroids 9000
Ghost Catcher A Free Online Game
Ghost Catcher
WWII dog fight A Free Online Game
WWII dog fight
World War:Final Frontier A Free Online Game
World War:Final Frontier

Online challenging Games
Puzzle Wild Life Leopard Game

Plays: 1422
Category: Casino Games
A challenging puzzle with the image of an exotic animall forests. Move the pieces and keep an eye on the amount that will appear. Good fun.
Blastball Game

Plays: 1422
Category: Puzzles Games
Blastball is a chain-reaction puzzle game. Burst all the balls to continue to the next, more challenging level. Your moves are limited, so carefully choose the order in which you'll burst each ball!
Pixel Golf Game

Plays: 1422
Category: Puzzles Games
It's a classical vintage stale video game mini golf. Play 20 holes of mini golf and try to get the lowest score as possible. Every level has a new challenging features.
Palace Messenger Game

Plays: 1421
Category: BoardGame Games
PlayOnlineSolitaireGames.com presents a challenging, skillful game that you will keep on returning to. Travel from one medieval palace to another and play different types of solitaire game at each one. Play and win as the messenger should deliver the valuable letters to the next palace. Use all your brains and skills to clear the playing board from the cards at each level. Enjoy playing this bright, picturesque card game with great graphics and addictive gameplay.
Bug Breaker Game

Plays: 1421
Category: Puzzles Games
Use your puzzle powers to set bugs free! Release trapped bugs by matching like-color hexagons. Place the hexagons in any valid space or rotate them into position before placing them on the board. Featuring 50 challenging levels, 3 difficulty settings, and loads of fun power-ups, Bug Breaker is crawling with fun. Play now!
Ruma Pipe 2 Game

Plays: 1417
Category: Puzzles Games
After playing Ruma Pipe here we present Ruma Pipe 2. The game-play is the same but now we can control the ring with the mouse which is easier. The game requires very good hand-eye coordination. Like in the first Ruma Pipe objective of the game is to avoid touching the pipe by maneuvering your ring. Do this until you reach the end of each level to win. It can be challenging at times but you can win it by focusing.
Football Quiz Game

Plays: 1415
Category: BoardGame Games
The live and authentic football animations combined with some fun and challenging football quiz questions, makes this game absolute unique.
Hyper Gunner Game

Plays: 1407
Category: Adventure Games
You want to get back to earth but to do that you need to shoot your way through hordes of enemies! Be quick and agile to dodge, shoot and to collect a lot of loot and other bonuses like power ups to be victorious! So prepare yourself for battle for this exciting and challenging game!
Challenge Roll X Game

Plays: 1403
Category: Action Games
In Challenge Roll X, you are given the simple task of leading a small orb to the end of each level. However, to make things a little more difficult, you'll be challenged to avoid a range of obstacles, such as moving spikes, locked door ways and difficult turns. Can you complete the challenge?
Dress Shop Checks Game

Plays: 1402
Category: Driving Games
Cow carts, one of the earliest and most popular modes of transport in the 19th and early 20th century. They were used for a variety of purposes, such as traveling and transportation of goods. In this game you are going to ride a cow cart. Take your cart out for a challenging journey through the forest in this cool cart riding games.
Royal Offense Game

Plays: 1401
Category: Adventure Games
Various castles in the kingdom are being attacked by numerous vicious creatues! Set out a strategic plan and decide which of your allies should fight the enemy. Can you complete the 21 challenging bonus-missions?
Golf Go Go Go Game

Plays: 1400
Category: Adventure Games
Golf Go Go Go is a full of challenging and exciting game.Control the Ball,get to the finish line.Keep an eye on your limited time,Have fun!If you like this game,you can share your score with your friends.
Hex Game

Plays: 1398
Category: Education Games
Hex is an incredibly challenging puzzle game, which will take even the greatest puzzling minds many hours to master. In each level, you are presented with a seemingly simple set of puzzle pieces, and a small number of spaces in which they can be maneuvered. The goal of each level is to slide and rotate each puzzle piece so that the adjacent triangles on each piece match the triangles they are touching. To add to the challenge, to complete each level, every gold tile must be covered also. There are 30 increasingly difficult levels to unlock and master. Each level rewards a star ranking once completed, a higher number of stars are rewarded for more efficient solving of the puzzle ! The final level will challenge you with the maximum of 7 puzzle pieces! and will leave you amazed as to how hard a 7 piece puzzle can be!
Grid Elements Game

Plays: 1388
Category: Puzzles Games
In this puzzle game, blocks all move simultaneously, so you have to use walls to push the blocks away from each other and get them into the correct pattern. The player is encouraged to complete each level with the minimum moves possible which makes the game more challenging for experienced users who want to go back and play again to achieve 100% after completing all levels.
Escaping The Basement Game

Plays: 1379
Category: Action Games
A moderately challenging point & click adventure where you must attempt to escape an unusual basement!
Autumn Leaves Game

Plays: 1378
Category: Other Games
Add the fun factor to all your rainy, chilly days of autumn playing a challenging match three game having gorgeously colored fall leaves as main “stars”. Group, regroup, click, then click some more till you set the highest score at pairing identical autumn leaves, three by three.
Dream Land Game

Plays: 1377
Category: Customize Games
Mercy is challenging you to join her in a designing game. She is going to decorate her dreamland and asks you to help her. Just try and find out if you can do it?
Gray Treefrog Jigsaw Puzzle Game

Plays: 1375
Category: Puzzles Games
If you just want to sit back and do something relaxing, or simply enjoy Jigsaw Puzzles, then this game is perfect for you. Piece together the gray tree frog and test your mental capabilities. The game has three different difficulty modes, each challenging and each sure to test your attention to detail.
Big little grub Game

Plays: 1373
Category: Action Games
Big little grub - arcade snake game on the records. It's easy to play, fun, addictive and challenging.
Halloween Items Match Up Game

Plays: 1370
Category: Puzzles Games
Would you like to test your brain and your memory power? Play this challenging game during this Halloween season! In this game there will be a pair of Halloween items of objects on the screen. Two of the objects will be identical, and you need to find out the two as quickly as possible. If time runs out the game is over, so hurry up!

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Tips: Setting the opponent movement speed to zero can give you a platform for you to do your own animation instead the opponent graphic. You could make an opponent popup and then hide again using animation instead of the built in movement.