Top similar games like Otter Space Rescue:

Survive endless waves of cosmic chaos in Astrochibbi! Fight through escalating battles where every wave brings new monsters, new patterns, and new challenges. Dodge, shoot, and adapt as the battlefield evolves and only the strongest survive.

Chaotic Pursuit is a hardcore Top-Down Shooter with cute graphics. You miss a shot and you're out!

Alpha Force Zero is an intense top-down bullet-hell adventure that requires skill and planning. Utilize multiple weapon systems including an Auto-Turret with adjustable firing modes and unlock upgrades that you can equip in your ship to give you the upper hand. Dodge, fight, survive!

80 waves. 8 bosses. 17 logs that will make you question everything you've been defending. Locus Protocol is a twin-stick bullet heaven with an adaptive AI Director and a horror story hidden inside a cozy geometric shell.

Back with new weapons, new enemies, and with more circuits to break than ever! Destroy millions of robots in this free-to-play shooter with up to 6 players local or online.

SkiFree meets Survivors! Shred down a procedural mountain, blasting monsters to hard-rock Christmas tunes. Dodge trees, jump enemies, and yes—you can run over squirrels. Fast-paced winter chaos for any season!

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.

As Robo, you will decide the destiny of Gear Town and its robot people. Make decisive choices, explore biomes, solve puzzles and mini-games, battle hordes of robotic enemies in this cute pixel-art Twin Stick Shooter RPG, and write the Robo legend.

Roguelite - where too much greediness can be fatal. A colorful world with armed birds blazing their way through piles of mutants, monsters and creepy creatures. Lots of mysteries to unravel, secrets to discover and levels to explore.

An indie story-driven space shooter with intense battles, escalating enemy waves, and massive boss fights. Choose and upgrade ships, unlock powerful weapons, and protect your allies. Upgrade your base and construct a battleship to take on even stronger enemies. All set to a rock & synth soundtrack.

Dive into exhilarating combat in this roguelite, top-down shooter where survival is key! Face relentless hordes of monstrous foes, and conquer epic boss battles. Play solo or team up in co-op to race against time and see if you have what it takes to survive this mayhem of blood butts and guts!

Hexagonal Explods is a vertical shoot 'em up game where you need to defend the earth from aliens. Collect power ups, fight funny bosses and... well... SHOOT THEM UP!

Doomed to Hell is a roguelike-like top-down shooter where you play as Rose, a human in hell who will need to fight all of its monsters in waves of enemies, defeat bosses, and get new weapons to earn back his life on earth.

A bombastic bug busting adventure! Play as one of four playable characters in their quest to to free their fellow elves from the clutches of an evil army of spiders. If they crawl, blast em all! Let nothing stand in your way.

Earth is under attack! Take control and defend the planet in this adrenaline-fueled top-down shooter. Blast through blocks, dodge relentless enemy fire, and face off against formidable bosses. Can you save the Earth in record time? Get ready for the ultimate challenge!

Shoot! Upgrade! Defend! In this twin-stick roguelike, protect all things bubble from infinite waves of pointy bad guys! Upgrade yourself and your base, or better yet, use a super attack, and stop everything from trying to pop you!

Only armed with a double barrel shotgun, go through waves of hell spawns to get your book back! A bullet hell arena shooter!

Humans Vs Ghouls is an online top-down shooter following survivors of a ghoul apocalypse that blast foes to live another day.

Choose your loadout, choose your art brushes, and blast your way to a masterpiece! Pew-casso is a top-down action-roguelite shooter where you defeat enemies to level up and create a piece of art. The longer you last, the more complex your unique piece of art will become.

Space Ace is a 2D top-down shooter that focuses on upgrading your ship to fight through levels of Bosses and smaller enemies. Play with keyboard + mouse or Xbox controller.

The colorful top-down shooter/bullet-hell

A tiny 2D Hand-drawn "Clean 'Em Up" game about a tadpole cleaning rivers and fighting pollution.

Deadlocked: an adrenaline-packed Cartoon top-down shooter. Customize your loadout with unique weapons, unlock fun little pets, and upgrade your character. Master responsive gameplay and become a cutesy robot killing machine, There's one rule, Defy Deadlock

Challenging retro twin-stick shooter inspired by old ZX Spectrum games. Defeat all bosses and earn special power-ups before your lives run out.

Breach, upgrade, and unleash chaos in this roguelike shooter where every run builds new gunplay possibilities. Stack wild attachments, forge broken weapon combos, and dive into explosive firefights against a ruthless criminal empire.

Be THE Cowboy in this top down shooter that allows you to upgrade your health, dash speed, and sword strength, as well as 19 weapons, with the souls you collect from your slain enemies!

GunDeck[100] is a lightning-fast twin-stick shooter where you’ll build your arsenal from randomly-dealt cards. Weapons fire in a rainbow of elements with unique effects. Dart and dodge to survive the fireworks unleashed against you, and retaliate with your own display! Can YOU survive to wave 100?

Lead an elite squad on a hostile alien planet! Recruit and command up to 4 NPC soldiers with unique powers to complete missions and overcome waves of enemies. Level up and dominate the battlefield with strategy and teamwork. Get ready for action!

Test the limits of bio-mechanical clone Model 137 a.k.a BIOTYPE in this free, endless bullet hell. Master the Biotype's patented tri-laser and push as far as you can. Will BIOTYPE prove it can make a difference in the fight against the enemy in the real world?

Once Upon a Slime will be the game that starts my career as a solo game developer. This game is an adventure / bossbeater game about a little slime trying to escape a dungeon full of bosses. Beat them all to solve the mysteries of these dark dungeons!

Survive waves of asteroids in the reversed bullet hell with meta progression. Defend your customizable spaceship from incoming asteroids by upgrading its systems. Use research lab for offline upgrades. Send expeditions to uncover the unknowns of the universe.

A survivor action roguelite where your cursor is your weapon. Aim, place, and chain devastating abilities to survive relentless digital swarms. Build powerful combos and push deeper every run.

Fight hordes of Covenant & Flood in this new game mixing Roguelite & Bullet Heaven for hours of mindless fun!

You just have to kill the bugs and critters before they kill you, so you can kill the bugs EVEN BETTER. Defeat the 3 floors and their bosses to win the game! Fight through procedurally maps made of handcrafted rooms, in this action RPG shooter with heavy roguelike and bullet-hell elements.