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Online underground Games
Froggit collectors edition: Underground Game

Plays: 6261
Category: Other Games
Simple Babelfish translation. Frogger was yesterday… Froggit is today! The best which you on your computer at frogs pass can! You cannot play like Frogger… should you however! With many play elements, Bonunslevel (frog sky, underground…), Gimmicks, mysteries, funny surprises and increased craze potential in the Retro Design of the 90's! Help 5 frogs its place at the sand bank to reach and become frog king. Caution before wild drivers, the spider and common diving turtles. For flies, fruits, Specials, remaining frogs and time remained earn you points of extra. Over an InternetHighscore you can perpetuate pitch names and score. Also Riddlemaster come here at their expense, if it means over 100.000 points to reach.
Blobbeez Game

Plays: 70530
Category: Puzzles Games
A growing population of Blobbeez have overrun part of an underground sewage system. Stop them by matching pairs of Blobbeez of the same color. Use power ups appearing regularly throughout the game to aid in your task. Hurry before they escape into the city! Fun and addictive game play for all ages!
Apollo's Arrow Game

Plays: 13219
Category: Puzzles Games
The Ancient oracle relies on the hypnotic fumes that rise from an underground stream to induce her visions. You are the god Apollo, returned with bow and arrow to defend the oracle and blast away the boulders before they plug the ancient well forever.
Cadet Escape Game

Plays: 11858
Category: Adventure Games
The 139th Escape game from 123bee.com We will be releasing escape games on every Mondays and Thursdays. Enemy Soldiers have trapped our country's cadet in an underground room. Help our cadet to escape from the room by using the clues and objects found in that place.
Mining Truck 2: Trolley Transport Game

Plays: 10985
Category: Action Games
Deliver goods from point A to point B. Sounds easy or boring? What if the goods are to be delivered on a small trolley, moving through a complex system of underground mining tunnels? Complex couses, tortuous routes, a pressing clock and hilarious secondary objectives and goals. Not so boring and simple now, eh?
Dig Dweller Game

Plays: 8994
Category: Action Games
Dig Dweller is a simple arcade game Dig underground to find and destroy different vermins, score as higher as you can and progress many levels as you can.
Vector Conflict: The Siege Game

Plays: 8653
Category: Action Games
Vector Conflict is an intense 3D shooter set in a bleak, post-apocalyptic retro world. You are in control of the defensive systems for the vast SOTER underground bunker. You are the last line of defense for the survivors taking refuge below – protect them at all costs.
Metro.Siberia Game

Plays: 8482
Category: Puzzles Games
Navigate through the Siberia Underground, it's not as easy as it sounds...
I Can't Escape Game

Plays: 8416
Category: Adventure Games
You have fallen into a vast underground maze. Can you find your way out, or will you end up trapped in darkness forever? Bear with me, the game will NOT work until the allowFullscreen parameter is added. I've contacted mochigames, and that should happen soon.
Killer Driller Alpha Game

Plays: 8097
Category: BoardGame Games
Turn-Based Strategy game about underground battles
Go to Hell! Game

Plays: 7320
Category: Action Games
Just go to hell and find out it's secret in this ultimate puzzle/arcade/platform game. You have to dig all the way down through caves filled with water, lava, boulders and enemies. You can avoid suffocating and kill enemies controlling flow of water and lava by digging holes in walls of caves. You can also push a boulder on the filthy worms and bats.
KomaramPuli Game

Plays: 6753
Category: Shooting Games
The player should kill all the villains. Where the KOMARAM puli will be attacking the underground villains and should kill them to increases the score. KOMARAM puli as five Strengths where if the villain shoot him he will lose one strength. The game ends when the KOMARAM puli lose all the strength.
Minedigger Game

Plays: 6651
Category: Adventure Games
Collect the diamonds without hitting any mines!
Terramek Game

Plays: 6049
Category: Action Games
Terracom have a problem. Experimental war-droids built using ancient alien bio-technology have gotten out of hand, now Terracom's secret underground labs have been overrun by hostile machines. There is a solution: Developed by a rival Terracom military-products department, the Terramek is a state-of-the-art turreted bipedal war machine with interchangable weapon systems.
The Magician's Handbook II: BlackLore Game

Plays: 5925
Category: Adventure Games
Enter a world of magic and mystery where the enchanted Magician’s Handbook will be your guide. The evil magician pirate BlackLore has captured all the world’s magicians and fairies. Using their magic to fly his pirate ship, he’s terrorized all who tried to get in his way…and you’re next on his list! Adventure in magical lands from a spooky school for juvenile ghosts to an underground oasis full of talking trees, to a dark swamphouse where witches capture visitors and make them a part of their house! Can you stop BlackLore, or will you become his next victim? Over a thousand enchanted objects, magic spells, and a variety of unique and challenging puzzles await you in this immersive sequel!
Ostrich Underground Game

Plays: 5710
Category: Action Games
Collect all the eggs and try not to get your neck in a knot.
BinB Game

Plays: 5658
Category: Action Games
MochiGames Exclusive! Clear the underground dungeons from monsters in this pixely bomberman-style game! Do you have what it takes to find the mysterious Graal? Good luck and blow some stuff up!
Cable Capers 2 Game

Plays: 5437
Category: Puzzles Games
Can you help Arnold the Cable Fitter escape the underground maze that he has fallen into?
Celebrity Scrap Club! Game

Plays: 5224
Category: Action Games
Enter a shadowy underground world where you fight celebrities with bottles, pool cues and anything else you can get your mitts on. The only rule is you do not talk about Celebrity Scrap Club!
One Ton Bang Bang Game

Plays: 4601
Category: Shooting Games
One Ton must escape from the underground laboratory where he was a science experiment. He will blast his way to freedom. Evil robots will try to stop him.

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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.