Top similar games like Don't Underestimate Me:

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

A fantastical Bullet Hell game where you absorb and control enemy bullets to create your own firepower! Manipulate food-infused bullets to break through any formation, and use the power of Eggs to overthrow the wicked food goddesses!

The Swan EM-43DSC... A experimental fighter jet blasts through the skies of the New East/West. And as the pilot clutches her yoke, she commits to her rebellion knowing full well, that her mission is not for the faint of heart....

Ore & Ordnance is a Retro styled, Sci-fi, Bullet Hell. Survive endless waves of Pirates, Asteroids and Firestorms. Collect upgrades, complete missions and survive your shift! How long will you last?

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.

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.

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.

Using a powerful weapon and raw skill, can you take out an entire space pirate fleet? Harken back to the era of old browser games in this fast-paced bullet hell shoot 'em up where stages change based on objectives cleared!

Four friends battle their way across space to claim a once-in-a-lifetime wish. Their lives are in your hands.

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.

Super Cyber Wave is a fast-paced 3D bullet hell where you pilot unlockable characters with unique attack patterns, dodge bullet waves, collect ring-shaped keys, grab power-ups, and survive boss fights across four lethal biomes. Ride the rhythm of an immersive soundtrack.

Dodge, dash, and blast through five handcrafted worlds in a fast pixel-art arcade shooter built for score chasing, boss fights, and perfect runs. Free demo available.

Escape the Maze of Malice in this frantic 2D top-down shooter!

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!

Space Adventures 2 in 1 is a collection of arcade-style space shooter games taking inspiration from classic arcade games. Both game modes focus on quick movement and reflexes, maintaining a retro-like feeling, featuring cartoonish sprites and sounds, and are designed for short, replayable sessions.

Umbra Galaxy is a sci-fi shoot'em'up where you pilot a spaceship adrift in the restricted space filled with enemies. Destroy enemy generators, fight your way to the bosses and secure the obscure goal in the end!

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

Outnumbered and outgunned in deep space? No problem! Turn your enemies' attacks into pure bullet heaven with your shield tech and absorb projectiles to power up your ship and score big! But when your shield expires and it's danger time, you better switch up your strategy fast...

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.

Shapemonger is a colorful arcadey incremental game about destroying shapes - in outer space! - getting money and buying upgrades

Star Waker allows you to command customizable spaceships with the mission to show your agility in order to save mankind.

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!

Hyper Gods is a 2D cinematic 80's-influenced shoot'em up that places you in frantically fast 1v1 battles against the Gods. Dodge, boost and shoot your way to protect Mankind and prevent its extinction!

CORA (Counter Offensive Rapidfire Automata) is a singleplayer/multiplayer top-down shooter created by Empty House Games borrowing inspiration from other arcade top-down shooters.

One Way Road is a story-driven action game combining elements of Scroll Shooter, Top Down Shooter, and Tube Shooter. Take the helm of a space cruiser, explore the galaxy, and fight in stellar battles to save humanity.

Sanctum Arcadia is a game where you must fight your way through increasingly dangerous zones filled with enemies, hazards, and mystery. Sanctum Arcadia has a unique but still familiar progression system, challenging and engaging combat, all in a smooth Arcade-like experience.

The original “protect with ring” game finally comes to Steam. Use your force ring to clear a path for your fleeing shuttle, survive 55 handcrafted levels, and escape the planet. It takes less than fifteen minutes to beat—but only if you’re perfect. Live, die, repeat.

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!

Solo Defender is a fast-paced vertical space shooter where you battle waves of enemies, unlock upgrades with Gems, and face epic bosses—including a drone-spawning Mothership. One life, multiple planets, and a secret level await. No ads—just pure arcade action.

The playful witch dances to unleash stunning magical moves! Witch Dance is an evolving action puzzle. The controls are simple, but the challenge is infinite. Right click to move, left click to cast. Gather your magic and dance your way to victory!

Boki can copy the special abilities of any foe and then combine up to 3 of them into a unique super-weapon! Blast through hordes of evil robots in cyberspace, while training to become a superhero!

Fight alongside Kannagi Mashiro, your childhood friend and a mysterious shrine maiden from a parallel world, to save your world in this 2D anime action game with visual novel storytelling.

Super Forklift 3000 is an arcade space shooter with a twist: you drive a forklift that carries and shoots up to three boxes. Defeat enemies and bosses while managing your different box types. Be careful not to run out of ammo!

Between bullet hell, black markets, and star-map strategy, chart a branching route of your own. Combine Scatter, Missile, Homing, and Laser weapons with 100+ items and 30+ random events—each sortie reshapes your build. Balance risk and reward in unknown systems and blaze your trail through the void.