| Online Challenging Games |
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 Mahjongg Free Game
 
Plays: 3856
Category: BoardGame Games
Mahjongg Free features 10 challenging levels with isometric graphics. The pieces are cube-shaped and look very different from the original Mahjong tiles. FruitJong fans will love this game as well. Beat the game and make the highest score! |  Impossible Tic Tac Toe aka Inky Pinky Blinky Game
Plays: 3853
Category: BoardGame Games
This is an usual Tic Tac Toe Game with very few possible methods of solving, Those who win get listed. |
 Flash Nethack Game
Plays: 3841
Category: Adventure Games
A classic dungeon crawler. Unlike other games the emphasis in NetHack is on discovering the detail of the dungeon and not simply killing everything in sight – in fact, killing everything in sight is a good way to die quickly.
NetHack is a very deep and very fun game but also very, very challenging |  Burning Balls Game
Plays: 3833
Category: Action Games
Its a challenging arcade game where you can make circles using a brush. You need to escape from burning balls, which may destroy your circle and/or brush. |
 The Cell 2 Game
Plays: 3828
Category: Puzzles Games
Escape a room with no doors or windows. More challenging than the previous game! |  Korrode Game
Plays: 3823
Category: Action Games
Race your rust spot around each level to corrode all the bolts in this challenging puzzle and skills game!
There are 32 different levels across 4 difficulty groups to try and complete at the best rating possible. Watch other player's replays of each level and race against their ghosts to better your times! |
 Assault Day Game
Plays: 3813
Category: Action Games
Kill all the enemies in each level. As the game progresses more weapons become available and you will encounter more challenging enemies. |  Defuse Game
Plays: 3797
Category: Puzzles Games
Plot:
Defuse is about an ordinary person who runs accross an advertisment for FREE FOOD. After answering the solicitation, he finds himself in the somewhat malevolent environment of an ambigious research centre. Now he must use his wits to solve challenging puzzles, escape death and possibly complain to the ethics commitee that approved this project. Remember, assuming you complete this test, there will be drinks and light refreshments. good luck.
Game mechanics:
Defuse is a puzzle game that tests your ability to use logic and reasoning. Solving the puzzles is a two front battle as you must infer the nature of each puzzle and then find the solution (see the directions). In every puzzle, the objective is to light the disarm light without lighting the explode light. All the puzzles consist of buttons and lights related by some pattern. |
 Quamorol Game
Plays: 3792
Category: Puzzles Games
Quamorol is a completely new game type where you have to use your mouse's "force" to navigate the ball through 15 challenging levels. |  60 Seconds Invasion Game
Plays: 3783
Category: Shooting Games
Challenging space invaders with a 60 second limit. |
 Vektor Shipht Game
Plays: 3782
Category: Other Games
Vektor Shipht is a mouse-avoider game which uses cumulative intertial movement to swing a spike and pop bubbles. Movement not only keeps you safe from bubbles, but it also controls the movement of the spike at the same time, creating a challenging game. |  Avoidster Game
Plays: 3782
Category: Action Games
Avoid everything in this colorful avoiding game! YAY!
Remember to stay away from the sides of the screen whenever possible to avoid getting hit. :) |
 Chirality Game
Plays: 3782
Category: Action Games
Chirality is special challenging game. You have to combine your manoveuring and multitasking skills to avoid or destroy all the redz. |  Flip It (Facebook) Game
Plays: 3775
Category: BoardGame Games
Flip all the stones to the other side. Come and play this challenging mind game! |
 City Mysteries: Moscow Game
Plays: 3770
Category: BoardGame Games
Alone in a strange city, you are surrounded by mysterious objects everywhere you turn. Now you must recover the lost items scattered around Moscow before time runs out! Search buildings, streets, landmarks and more in this fun seek and find challenge. Look through over 250 hidden objects in 4 perplexing places. Enjoy easy controls, evocative sound effects and detailed scenes, plus a challenging sliding tile puzzle. |  3D Quick Pool Game
Plays: 3753
Category: Sports Games
Test your skill and accuracy on a small pool table and pot all your balls into the hole in this challenging mini 3D pool game |
 Alien Marauder Game
Plays: 3748
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 |  Ovum Defender: Tower Defense Game
Plays: 3722
Category: Shooting Games
Simply prevent the sperm to reach their goal by set up as many gun as you can.
Features:
4 challenging levels, Total 90 waves to complete, 16 different types of enemies, 12 type of guns |
 The Life of Brain Game
Plays: 3720
Category: Puzzles Games
Exercise that grey matter with 4 challenging puzzles! Train your brain! |  3D Neon Race Game
Plays: 3700
Category: Driving Games
Experience the Ultimate 3D Neon Race with challenging laps to pass to win each Track.The Ultimate Race is on for the bikers who loves to thrash and desire to win. It is not easy though passing through five laps. Race and control your bike to make your own record. |
