Top similar games like Don't Underestimate Me:

A fantasy bullet hell on a strange, familiar planet. Fight the living and the dead as you figure out what's causing all this energy in the air! Play as a troupe of living puppets, curious immortal children, or a demon, and be sure to scan enemies to unlock journal pages on the way!

First instalment in the series of 2D action side-scrollers, taking place in very distant galaxy and not so distant future. Gameplay main hallmarks are fast-paced laser guns shootouts, punch 'n' kick combats, managing obby-like obstacles, using wits in overcoming deadly traps and witty dialogues.

Space Haters is a tough-as-nails vertical shoot 'em up featuring classic arcade-style gameplay and set in the ruthless world of intergalactic music. After his sell-out gig, Photon is on his way to the greatest after-party the galaxy has seen. However, his haters want him gone. For good.

Neon Fighter is a tiny arcade game packed with lasers and explosions, in which every few seconds you are forced to switch weapons automatically, making you have to adapt quickly to the new situation and re-evaluate your perspective.

Assume the role of a Space Fleet Captain and take part in numerous space battles as you travel across the galaxy and fight to save humanity. This cinematic narrative driven action-focused space shooter, will take you on a journey into the near future, and put the destiny of mankind in your hands.

Spaceborne Fighters is a dynamic action platformer featuring arena battles against hordes of enemies. Explore 10 diverse maps, develop your character through skill trees, and craft items to face challenges in the most spectacular way.

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!

Dodge and shoot your way through waves of enemies. REVO is a high speed, neon drenched space shoot ‘em up inspired by arcade classics of the 1980’s. Collect pickups, unlock powerful, ammo hungry weapons, and defeat giant bosses.

Firehunt is a prologue for the main story One Way Road. Take part in space battles as you travel across the galaxy and fight to save humanity. This cinematic narrative driven action-focused space shooter, will take you on a journey into the near future, and put the destiny of mankind in your hands.

Dodge, shoot and free the galaxy of the evil space mega corp. Use a variety of different weapons and spaceships, each with different playstyles to overcome many challenging levels.

Chaotic boss-rush, bullet-hell-y, twin-stick arena shooter mayhem! Dynamically changing arena forces you to be vigilant: Watch the bullets, watch the walls!

Skillfully pilot the Graceful Explosion Machine, a fighter ship armed with a ludicrously overpowered quad-weapon array! Lost in deep space, you'll shoot, dash and combo your way through jewel-hued uncharted planets, fighting an alien armada to find a way home.

Nebula Invasion was designed for those who enjoy the classic type arcade games, a spaceship shooter with great game play. Aliens attack many different ways from marching to dive bombing. You have the tools to fight back with a ship that can power-up with double, triple, rapid fire, or plasma cannon.

In this sideways scrolling shmup, take control of your spaceship and navigate through vibrant pixelated environments filled with hordes of enemy spacecraft. Power-up your ship and weapons, dodge enemy fire while blasting through each stage. Survive the onslaught and emerge victorious!

SHOOT 'EM UP!Starlight: Eye of The Storm is a 2D Vertical SHMUP set in a 3D background. Unleash your special powers, upgrade your weapons! Take on 10 Arcade stages or 15 Campaign missions! Drift (auto-pivot mode) behind your enemies and take them on with style!

An action bullet hell. Dodge enemies attacks and collect upgrades to make it to the end of each level.

Discover Odyssey Moon, the charming ARCADE game filled with shooting, upgrades, and adorable characters. Explore the moon in space, enhance your character with unique combinations, and immerse yourself in this cute adventure. Get ready to fall in love!

GoBlaster is a retro bullet-hell game where you can always beat your personal best. Blast through enemies while dodging their overwhelming attacks in a fast-paced and addictive setting. Make your way to the final boss, and just try to survive!

INSPACE 2980 is a stylish and dynamic SHMUP from the 16-bit era of games consoles and arcade machines. Take part in an exciting adventure and save the galaxy! Once again!

The Rush is a horizontally scrolling shoot 'em up with graphics inspired by classic space shooters of the MSX. Buckle up and see if you have what it takes to master the highly adaptive Chameleon Quartz space fighter and single-handedly obliterate the alien invaders!

Cosmic Zephyr DX is a fast-paced 3D bullet hell game, where you duel with angels as you soar through space.

Betrayed by her cut-throat crew, Luna Starr - former Space Pirate Captain turned bounty hunter - has a score to settle. As Luna, travel to 5 exotic planets to track down your mutinous mates, and face them in Bullet Hell dogfights to the death!

Get into the cockpit of an ace pilot fighting in the galactic war in this sci-fi arcade top-down shooter. Participate in numerous campaign missions to explore the story of Magnificent-1 and enjoy the arcade mode to strive for the highest score.

Pewt 'em Up! is a retro inspired arcade space shoot 'em up with lots of upgrades, achievements, extras and more.

Destroy enemies, bosses and everything you see ahead!! Get crystals to buy better starships and get stronger. Have fun in three different game modes.

Aliens have taken over humanity and now have the goal to destroy Lexi Lane, the last hope of human resistance. Step into Lexi's "pedal to the metal" shoes. Help the last heroine drive, drift, and blast her way through the alien onslaught and meet her destiny in a last act of defiance and glory.

Dual Survivors is a cosmic action game with rogue-lite and bullet hell elements. You play as an elemental duo, saving planets and making strategic choices to defeat billions of enemies. Navigate the cosmos and outlast death!

A pixel-art platformer adventure game with lots of action and a memorable story.Dive into the depths of planet Anyaroth and free its people from the tyranny of the Queen. Join the Rebellion and fight against the Regime’s mind-control system. The anya civilization needs you!

Cosmic Cursor fuses simple mouse-based controls with a challenging, reactive bullet hell for the ultimate pick-up-and-play roguelike experience.

A sci-fi shoot'em'up game with heavy focus on upgrades experimentation, featuring two unlikely heroes that must work perfectly together, despite their share of secrets, to surpass their limits and succeed in eliminating a threat that might destroy both Earth and Andraxia if left unchecked.

Popular vertically scrolling shoot'em up game Shikhondo is back and powered up! One day, the soul-starved Youkai escape from the depths of hell. Now, the story of the Grim Reaper and the girl who has fallen into this land begins!

Zone of Lacryma is a story driven vertical shmup with 11 levels, highscores, speedrunning, upgrades and more.

Escape Space is a classic arcade space shooter with RPG mechanics. Fight for various factions against swarms of enemies or bosses and improve your standings, level up your rank, unlock new gear and weapons, and upgrade your spaceship.

🎀Idol Hell is the beginner friendly bullet hell game!🎀Play as Medli and fight through hoards of enemies and meet vibrant cute bosses! Play at your pace and choose from 4 difficulties!

Survive in an ocean of bullets by dodging, shooting at your foes and manipulating time. You can take as much time as you need and even "do over": YOU set the tempo of the action. Will you be able to conquer the space station?