Top similar games like Outside the Lines:

TeamJumper: Rejumpeds is a very simple Co-Op Strategy platformer that allows you and your teammate to work together to get through tough obstacles and high places!

Check out this new multiplayer battle game created with Pixel Game Maker MV! Switch between a Rabbit and a Person as you use carrot bombs to knock your opponent out and get knocked out yourself in this party-style battle game.

The creators of Crossy Road present Shooty Skies! Shoot, dodge, duck, goose and weave. Take to the skies!

Pixel Ship Shooter is a fast-paced retro shooter game, dodge bullets and zap your friends to death!

Invaders are living inside your computer. You shouldn't let that happen! Interact with your desktop while playing, watch Youtube videos, chat with your friends and more! CPU Invaders overlaps the game itself with your computer screen.

You are selected to be part of a circus, open the doors and beat the Clowns, solving the challenges before the clock ends.

Veterans Online is a thrilling top-down twin-stick shooter suited for both casual and hardcore players, featuring fun warfare with easy to learn but hard to master mechanics.

GROTORO is a multiplayer couch space globular fatty nervous farting bull brawl in space.

Manage your hive of nanobots in a Free-to-Play top-down arena shooter and exterminate all the bacteria and viruses infecting the body. Multiply the hive by absorbing bacteria to save people's lives as fast as possible while competing with others in order to become the fastest NanoHive Operator.

Calamari Clash is a multiplayer versus game which takes you into the role of a Calamartian who crashed on an unknown planet along with its companions. Dash it out against each other to charge the spaceship’s battery and escape. Only one can escape… who will it be?

Challenging retro pixel graphics action-platformer. Become a legendary rogue Janosik and explore the big mountain castle level full of secrets. Available for FREE!

Racing neon cars from the former Eastern Bloc. Start at the Berlin Wall. The first routes and quick race mode will give you a taste of the Electro Ride competition. Neon lights, superfast, unique, classic, iconic cars. Get crazy about colorful streets!

Image Striker is a 2D vertical scroll shooting game.

Chaotic bacon-flavored beat'em up with plenty of enemies to smash around

League of Pixels is a fast paced pixel art approach on the MOBA genre, with an average game length of 5-10 minutes.

Dive, destroy and escape. TUNNEL DIVERS is a F2P high octane twin stick shooter, where you pilot a close quarters based spaceship that excels in claustrophobic areas. Play online with or against other pilots, create your own levels in the level editor, and wage war against the rogue AI, Watch Dog.

Submarines are falling from the sky and it’s up to you to destroy them. Leap from the water, smash helicopters out of the air, purchase and equip unique and dangerous upgrades from the shop, and send your enemies some torpedoes (or lasers).

Yandere-Chan, Bob C. Leaner, Teslakid, Cole Black, Flying Hawk, Breakbone - all legendary fighters in one intense, fast-paced and action packed platform fighter.

Throw yourself into a world of fantasy and create your own character to embark on an epic high seas adventure of your own making.

It's a nice sunny day in Neo-Tartaria and ruthless killer Harry Pippels and his pretend friend Humpty-Ho are guzzling down some sprutzels and racking up a debt at the bar. Their life of luxury is soon interrupted however when the Elder Demon's diabolical crypto schemes threaten the lands.

Race through obstacle courses against up to 32 players online. Run, jump and dash to the finish line until the best player takes the crown!

Mythic Frost Trials is a free, cross-platform, massively multiplayer party game where you and your fellow wanderers compete in the Frost Trials for a coveted spot on the global leaderboard. Will you secure the fate of the realm? Will you become Mythic?

Blast your friends into the horizon in this chaotic arena shooter!

It's a bleak sunny day in Stinker City and Warlock Bentspine and his corrupt mayor friend Burger Jeff are plotting new schemes to raise taxes on the paupers. Their diabolical scheming is soon interrupted however when a bomb goes off in a local news station. Looks like Crime Gang is at it once again.

A chaotic stoneage arena brawler with destructible levels for up to 8 players. Customize your character and jump into action!

Weird Hat Fight is a party game where you use magical hats to fight your friends to the death.

A fighting game designed from the ground up to be so easy to control that even non-fighting game players can play it, yet deep enough to play in tournaments. Vibrant graphics and excellent online play.

In this prologue you crash-land on a mysterious planet. In order to get your lost cargo back, use tetrominos, solve blocky puzzles, and get to know its not too friendly inhabitants.

Introducing Jewel Run, the ultimate multiplayer action game that puts a hilarious spin on burglary! Join the heist as two teams with distinct gameplay styles go head-to-head: Will the cunning thieves outsmart the magical orchard's vigilant guards, or will the guardians protect their treasures?

It’s a fight for furvival! Super Animal Royale is a 64-player, frenetic, top-down 2D battle royale where murderous animals fight tooth, claw, and machine gun across an abandoned safari park.

The Arts And Craft Islands Awaits for your arrival, Join Coyote and General Warthog on a tropical Platforming Adventure across this creative archipelago, to save The Craft Kingdom from the Evil Captain Fat Cat.

Dodge, shoot, survive! Polygon pursuit is an arcade-style twin stick shooter where you are pursued by multiple enemies constantly. You play as a lone circle confined in a polygonal world fighting to survive against waves of unique enemies. This is not an easy game.