Top similar games like SUMBR:

Capsized is a fast paced 2D platformer focused on intense action and exploration. As a intrepid space traveler, your ship has crash landed on a mysterious alien planet. You must navigate through the perilous environment and fight off blood-thirsty creatures to save your crewmates and escape with your lives!

Hyperdrive Massacre is an 80s inspired arcade fragfest in Spacewar sauce designed around local multiplayer, focused on kinestetics, tactical and shooting skills at a frenzied pace.

Frantic 4-player laser ricocheting top-down shooter. Keep it casual and enjoy the chaos, or master the surprisingly deep mechanics to obliterate your enemies. Duke it out locally in free-for-all or 2v2.

Deflect, don't dodge. DEFLEKT is a neon arena shooter where every bullet fired at you is a weapon you can steal - catch it and send it back. Fight through 15 handcrafted arenas and 15 unique bosses, solo or in local co-op and versus, with three switchable soundtracks that match your mood.

Use your momentum to swing, launch and fly, cleaning cityscapes in record time to earn some sweet, sweet cash!

We need heroes like you! In this 2D Adventure platformer, you can play as Cin and more unlockable allies! Destroy robots, run, jump, score or... Look at the sights! Play however you want, at your own pace, challenges, alone, alongside friends... or even... CPU!

Super Head Ball is an action-packed multiplayer game that pits two teams of warriors against each other as they fight to throw a decapitated head into a blazing pyre. With simple controls and 4-player local multiplayer, matches are fast, frantic, and intense.

A color matching space shooter about saving your home planet from total destruction!

They scatter, they throw, they smash each other! A game cleaning robots! "Scatter Battlers" is a shooting battle game in which cleaning robots pick up trash and non-trash objects and throw them at each other. Also, there's a co-op mode. Difficulty VS Boss ★★★☆☆ VS100 Robots ★★★★★

Get ready for intense space combat in Quantum Gravity! Invert gravity to soar through space, engaging in long-range and melee battles against a variety of enemies. With four game modes, including Infinity Mode and multiplayer PvP, there's never a dull moment in this action-packed bullet hell game!

Forget everything you’ve learned about combat. Cobalt’s slo-mo mechanic lets you perform moves that other games can’t comprehend. Discover the secrets of a distant colony in a cosmic campaign, take on challenges and rule the leaderboards, or face off against others in local and online multiplayer.

Inspired by games like Super Mario and Megaman, in this adventure a little round robot is on a mission to save Earth. Lead your crew into exploring different planets in search of resources, fight enemy robots, collect different power-ups and upgrade your powers, while solving the planets' mysteries.

In Parkour Challenger, there is no storyline. The goal is simply to complete each parkour. Note that the word 'simply' is to be ignored. Good luck!

Help the government agents in black thong to end the alien threat and the invasion of the machines. 1 or 2 players. Individual and cooperative. Gamepad compatible. Demo available.

Choose your ship and command it against an army pitted against you in this wave-based arcade-style bullet hell space shooter. Fight for as long as you can with powerups acquired through the catalog, and blast through everything in your path.

DICED Pilot is a 2D action game containing old-school platform-based movement/jump timing challenges, physics-based surroundings, jetpacks, and weapons that can destroy everything in sight! Now with a multitude of cheat options and a full-blown level-editor! (currently in beta)

5 fresh flavors of world-class online mayhem, from Friendship-Testing™ Co-op to Friendship-Ending™ Competitive, plus classic singleplayer. Run around with friends, lure enemies into opponents, make the ultimate sacrifice for teammates, and hunt each other with rockets. Couch-ready/Tournament-worthy.

Shield Strike is a competitive game where players use shields as projectiles, in addition to the unique abilities of each of the 8 characters. Made for up to 4 players, VS or Coop, and with a challenging journey in story mode.

Battle against players around the world with the online matchmaking mode!

Saddle up for Ricochet Rodeo, a 2D-platform, pvp brawl to see who's the fastest shooter in the pixel-rendered west. Assemble a posse of up to 8 cowboys to dance in chaotic deathmatches where bullets bounce and 1 hit kills.

Jump into action-packed space dogfights with up to 8 players (or AI's) locally or over Remote-Play-Together. Use outlandish sci-fi weapons, including the wormhole maker and time altering munitions while avoiding asteroids, wormholes, planet gravity, and other hazards in endless space exploration!

Team up or battle friends up to 4 players in QUADRICOLOR’s vibrant color-switching chaos: fire Qi-Bullets to spread your color! Compete in monthly online speedrun tournaments and climb the top of the community leaderboards. Perfect for couch co-op parties or solo runs try-hard.

Bumpstick is a unique platformer, where you control a bouncy neon stick and move through levels as fast as possible.

Fast-paced local multi-player game packed with action. Destroy your friends with all sorts of different weapons and power-ups across multiple game modes!

Hoovernauts is a space-themed, 2D action-platformer that supports local multiplayer of up to 4 players. Using game remotes, players can work together to take down hostile space creatures in the campaign mode or fight against each other in the arena mode.

Glob is a bouncy blob on a rescue mission! Squash gophers, dodge birds, and bounce through colorful handcrafted levels to find the missing globbies. A charming physics platformer with local co-op, versus modes, Steam Achievements, and Steam Cloud saves.

Gravity Heroes is a fast paced, chaotically beautiful 2D platform shooter, fuelled by retro arcade nostalgia with an electrifying soundtrack and popping pixel art style. Enjoy an action-packed, gravity-shifting solo campaign, or local multiplayer madness for up to four friends.

A fast-paced side-scrolling shooter about primates getting access to weaponry way above their paygrade.

Super Nano Blaster is a shoot-em-up for PC and Mac, offering single-player and local co-op modes, that transports you to a retro-style digital universe. Delve into technology with your vessel and destroy anything that gets in your way!

High-speed gravity switching platformer with precise one-button gameplay. Includes single player story mode and local multiplayer mode for up to 8 players. Play thousands of user levels, or create your own with the intuitive level editor.

Dodge and encircle your enemies in this neon-drenched revival of the one-of-a-kind arcade classic!

ATOMIC GUARDIANS is a fully CO-OP arcade retro shoot 'em up, where one player flies the ship, and the other player mans the shields. Fight your way through a never ending horde of Brutal Bosses, Alien Monsters and Gigantic Asteroids as you rack up a new world-wide high score. Play with up to three friends, and see how long you can last!

Enter the dungeon of a medieval castle full of traps, enemies, mysteries! Can you overcome all obstacles to justice?

An arcade style ship vs ship stealth battle. Find them before they find you. Destroy their ship before they destroy yours. Only skill will determine the victor.

Funtasia, a colorful paradise being polluted by airborne garbage. Only a handful of heroes and their goofy wheel machinations can help fend off the trash. Push pedal to metal, drive fast, and survive the Furry Road in this physics-based, side-scrolling racing game for single and co-op shenanigans!

If you love retro games, this is for you! Get ready for some intense retro space shooting!