Games like IS Defense on Steam
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Freedom Fall
Freedom Fall is a diabolical down-scrolling platformer set in a prison tower so tall it touches the clouds. Presented with hand painted art, its old school vibe mixes with fast-paced free falling action and a story with both dark wit and heart.
Rise of Liberty
Rise of Liberty is a FPS single-player massive Revolutionary War battle simulator. Fire deafening cannons into the thick of the battle, stand in line formation and fire devastating volleys into the enemy. Gather your men for these monumental battles and defeat the enemy!
Zero Gear
Zero Gear is physically-fueled, online multiplayer kart combat madness. Deck out your kart and character before jumping into one of many different game modes. Outrageous kinematic gameplay and weapons make every round a blast. The potential for tiny vehicular mayhem has never been so humongous!
Surfingers
Surf as far as you can. Through the oceans, caves, snowy hills and deserts full of sand.
Slash It 2
Slash It 2 is a 2D colorful arcade game. The goal is to press letters, numbers and type words in the right time and direction.
Revolution Ace
A deep, tactical shoot'em up. With every takedown, you’ll earn cash and xp to upgrade your ship and unlock new abilities. Online and local co-op. Unique versus mode. Realistic physics and water simulation.
Rocketbirds 2 Evolution
The original Coq of War returns in a glorious explosion of finger-licking fun; with enhanced controls, new upgrade systems, a full single player campaign in “Part 1: The Cockup” with full VO and OST - and a 1- 4 player campaign in “Part 2: The Rescue” with procedurally generated maps.
Gunjitsu
Gunjitsu is a fast-paced platform shooter with grappling hooks, rocket launchers, guns and grenades! Kill your opponents or race them for the fastest time. Inspirations from old platform shooters gives Gunjitsu a classic feel while modern tech takes it to a new level of frantic action!
The Haunted: Hells Reach
Winner of 2010′s Make Something Unreal contest, The Haunted: Hells Reach is a fast-paced horror game where your goal is to liberate cursed places and survive the assault of Hell.
Prison Run and Gun
The recent events in a state prison, involving Jake from Team Hot Guns was a perfect moment for some prisoners to escape - you are one of them.
Lovely Planet
A First Person Shooter Gun Ballet set in a cutesy abstract world. Jump and shoot your way through five worlds full of treacherous enemies with your trusty semi-automatic!
Cartoon Strike
"Different realities, different rules, but always fun". In the multiplayer game Cartoon Strike, each map offers a different gaming experience. Players can enjoy a few minutes of fighting in the WWII, followed by a few minutes in the present, future or even funny mode.
Blockstorm
Blockstorm is a FPS game set in a world made of destructible blocks. All maps and characters included in the game are made with the same tools that are available to the public. You can build everything in Blockstorm, and you can destroy it.
Kaiju-A-GoGo
Choose your giant monster! Destroy cities around the world! Rule the Earth in this light action-strategy game that harkens back to the classic PC monster city-stomping games of yesteryear!
The Story of Henry Bishop
The story of Henry Bishop is a first-person psychological thriller, where the player will have to fight, guess riddles, immerse into a mystical plot and an incredible story.
Zombie Estate 2
One of the highest rated Xbox Indie Games is now available for PC! How long can you survive in this online co-op wave based shooter? Featuring 35 characters, over 100 weapons, 30 stat-boosting hats, and 6 levels, Zombie Estate 2 is a frantically fun experience to share with friends!
Drunkn Bar Fight
Drunkn Bar Fight is a simple, immersive, silly, rowdy game. Now with 4 player Co-op! The only limits to the mayhem is your imagination and your moral decency.
Soda Girls
《Soda Girls》 is a horizontal version of the cartoon action game, game player by setting their own unique combo, against crazy zombies, save companion. If you don't think the game is tough enough, you can upgrade the monster gene (What the hell?)
SuperSmash: Physics Battle
SuperSmash is a physics base multiplayer fighting game.Character is fully driven by physics engine,and there are lots of different weapons and maps.It will provide you totally different battle experience.
Bomb Chicken
After a freak accident, a seemingly ordinary chicken becomes a bomb laying free range hero. Explore the versatile mechanic of laying bombs in this explosive exploration platformer.
Corridor Z
Be quick or be undead! Ordinary high school, zombie outbreak and the bunch of survivors in a run for life.
Cataegis : The White Wind
Welcome to Cataegis - The White Wind: Ziggurat Chapter, a frantic 2D arcade action retro-style game that pays homage to the glory days of 8-bit side scrolling gaming.
Death Goat
Death Goat is a bloody arcade shooter featuring hordes of brutal enemies & eardrum destroying Heavy Metal.