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  Battle of The Universe A Free Online Game
Borborygmus Revelations A Free Online Game
Borborygmus Revelations
Terrorist Attacks  A Free Online Game
Terrorist Attacks
The Eve Of Invasion A Free Online Game
The Eve Of Invasion
Alien Attack A Free Online Game
Alien Attack
ENDOS A Free Online Game
ENDOS
Missile Defence A Free Online Game
Missile Defence

Online Upgrades Games
Crushing Spree Game

Plays: 2775
Category: Action Games
Try different turret / chasis, different weapons to find weakness of enemy tanks. You can destroy terrain obstacles or use them to avoid damage from enemy tanks. You can get packs with upgrades, new skills. Sometimes you will realize that few levels are very hard to complete with one type of chasis or weapon, but much easier with another type.
Shootenza Game

Plays: 2774
Category: Action Games
Shootenza is a infinite shooter with lots of stats upgrades, different weapons and a nice dificulty curve. If you fell like the game is too hard, you can reset the level counter and keep your points. Have fun!
Battle Engine Rpg Flash Game Game

Plays: 2771
Category: Action Games
For the lovers of simple yet fun rpg games, this is for you. No storyline, just pure upgrades and customization of your character and battles.. battles and battles.
Mage Squad Game

Plays: 2771
Category: Strategy Games
A strategy with elements of time-management and upgrade system for units! Theme - magic war, wizards, monsters and castles. Player have to think carefully how to waste his time - use it to earn more magic energy for upgrades or attack enemy instead. Various ways of unit upgrading allow to complete levels with various time-results. So, player always have an opportunity to improve his score in completed levels.
Swarm Attack Game

Plays: 2764
Category: Action Games
Defend against swarms of enemies units and watch them explode into pieces in each fast-pace level. Earn money for upgrades to improve turret, fire rate, accuracy, ammo, health and speed. About the Swarms: They will accelerate towers you at all times, sometimes they orbit you, sometimes they attack you directly. Swarms become faster, stronger and more unpredictable. Swarms are fastest when they are large, as you destroy their members, they become less agile.
Wheels and Zombies Game

Plays: 2741
Category: Driving Games
Race and fight the zombies. Collect points and upgrade your car.
Truckster 2 Game

Plays: 2736
Category: Driving Games
Truckster 2 is the newest installment to the truckster series, carry your load to the other side, buy upgrades and complete the track, go on to bigger and better things, be careful not to drop anything mind!
Evil Zombies Game

Plays: 2732
Category: Action Games
Use your best aim to shoot down the buildings with the Evil Zombies. Kill all people and beat the levels! Buy some upgrades for better performance.
Coin Grabber 2 Game

Plays: 2731
Category: Action Games
The coins are falling, but now magical gems are falling as well, your goal is to get fifth-teen of them to help your family get rich! Well what are you waiting for? Go get the magical gems!
Galaxy Guardian Game

Plays: 2729
Category: Action Games
Space theme scrolling shooter with fun levels, upgrades, and bosses.
Police Car Parking Game

Plays: 2726
Category: Action Games
Park your police car at the crime scene in time. Be careful, don't hit any obstacles! You can buy upgrades for your car for better performance.
Kalien - Back To School Game

Plays: 2721
Category: Action Games
You control an alien called Kalian. Move him around the mouse and dodge the classroom objects, well maybe not all of them are classroom objects. Gain upgrades to make your alien smaller, bigger, more health, more enemies, rotation, extra points, and the most secret bonus, the computer.
Space Base Defender Game

Plays: 2716
Category: Shooting Games
Defend your base from waves of enemy fighters. Build turrets and buy upgrades. How many waves can you survive for?
Monster Rally - Demon Cup Game

Plays: 2705
Category: Action Games
Race the Monster Rally with one of four creepy characters. Buy upgrades and weapons in the parts shop to get ahead. Test your speed in the 'Time trial' mode.
Aarrggbb!! Game

Plays: 2705
Category: Shooting Games
A zombie shooter with a twist! Match the same color bullets to the same color zombies to shoot them down. Includes upgrades and bonus weapons! Blitz mode for sixty seconds of zombie slaying and getting the highest score in the leader boards.
Wonder Rocket Game

Plays: 2703
Category: Action Games
Unlock upgrades and launch your rocket into wonder land! Reach space! Rescue a space man! Avoid space cheese! Discover something amazing!
Top Defense Game

Plays: 2692
Category: Strategy Games
You are the Commander of the space battle station. Below you, on the planet's surface, your enemy is trying to your capture deadly missile silos. Be a hero and DO NOT allow your enemy to seize those silos. Help should arrive soon...hopefully. Your station has a rich weapon system. Cannons, minefields, homing missiles, etc, but right now, most of them are damaged...
Steel Wasp Game

Plays: 2691
Category: Action Games
Get to your destination surving the apocalypse on the way. Buy upgrades, earn achievements and blast your way through everything!
Urban Reclaimer Game

Plays: 2688
Category: Action Games
Reclaim the city by killing waves of zombies and collecting the lost power cores
[Top best] Fruit Defense Game

Plays: 2683
Category: Puzzles Games
Defend your village from the pest invasions in 100 days, use more than 50 items, upgrades, power ups, dress-ups and research!

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Tips: For things like scopes or hands which are either on or can go to the edge of the screen you should go to Player|Advanced and change the Bounds parameter to around 10 or so. This will give you a point based bounding box instead of a auto bounding box.