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!

Locus Protocol is an incremental rogue-lite retro styled twin stick shooter with heavy sci-fi and horror themes. Protect the core from waves of incoming enemies.

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!

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.

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.

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.

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.

A fast-paced survivor action roguelite where your daemon and cursor attack independently. Aim, place and chain devastating abilities, build lethal combos, and survive escalating digital swarms and bosses.

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.

Fight through relentless waves of hostile robots in this fast-paced roguelite twin-stick shooter. Earn credits, purchase permanent upgrades, master multiple game modes, and chase your highest score. Every run is a chance to survive longer and push your limits.

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!

Ragtag Fleet is a fast-paced pixel-destruction survival roguelite. Tear apart enemy ships, expose their Cores, and turn the spoils into weapons, drones, and modules. Build a makeshift fleet into overwhelming firepower.

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.

Explore open space, discover mysterious planets, and clear intense space-shooter levels to gather resources. Upgrade your spaceship and harvest raw materials across the cosmos to build modules that unlock powerful special abilities.

Fast Food Wars is a bullet-hell shoot'em up rogue-lite game in a procedural generated restaurant with random power ups, weapons. You play as a burger fighting to claim back all the invaded burger restaurant from other fast foods

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

Legend of Mallow has the exploration of zelda 1 combined with face paced bullet hell combat that you can finish in one sitting. Explore different biomes, kill tons of unique monsters, gamble, shop, find secrets and kill bosses all in under an hour!

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

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!

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.

A neon bullet-hell where the swarm is alive. Outlast escalating waves with pure movement — no cover, nowhere to hide. Just geometry, reflexes, and the void between 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?

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!