
Threats To Humanity: Includes 5 unlockable levels, a new upgrade system, new turrets, and intense enemy and boss encounters. The Arsenal Shop is coming soon, with more levels, turrets, and content planned in future updates and free DLC. 🔥
60+ similar titles based on shared tags and player behavior. Themes include Action, Strategy, Tower Defense, Indie.

Threats To Humanity: Includes 5 unlockable levels, a new upgrade system, new turrets, and intense enemy and boss encounters. The Arsenal Shop is coming soon, with more levels, turrets, and content planned in future updates and free DLC. 🔥

Armageddon Sky's Invasion
Armageddon Sky's Invasion is a vertical scrolling bullet hell shoot'em up. You will destroy countless waves of the invader's fleet to protect the planet that you love. Face challenging boss and be surprised by the beautiful backgrounds.

Sleep Tight
Sleep Tight is an adrenaline pumping arcade-style, twin-stick shooter with base-building elements and wrapped in blankets of nostalgia. Construct your strongest pillow fort during the day to defend your bedroom from endless hordes of monsters each night.
Armageddon Sky's Invasion is a vertical scrolling bullet hell shoot'em up. You will destroy countless waves of the invader's fleet to protect the planet that you love. Face challenging boss and be surprised by the beautiful backgrounds.
Why similar: Strategy 17.4%, Bullet Hell 16.5%, Action 16.3%, Arcade 14.7%, Shooter 14.3%
Sleep Tight is an adrenaline pumping arcade-style, twin-stick shooter with base-building elements and wrapped in blankets of nostalgia. Construct your strongest pillow fort during the day to defend your bedroom from endless hordes of monsters each night.
Why similar: Strategy 30.8%, Tower Defense 29.1%, Action 18.6%, Shooter 17.4%, Indie 4%
Let Them Come is a fast paced pixel art shoot ‘em up. Twitchy trigger fingers and focused battle tactics are the order of the day as wave after wave of alien-like creatures try to take you down.
Why similar: Tower Defense 25.7%, Aliens 11.8%, Shooter 11.3%, Shoot 'Em Up 10.2%, Action 8.1%
A Tower Defense Action game, set in a bright geometric world. Combine shooting skills with strategic thinking to fight off waves of enemies, and defend your base.
Why similar: Tower Defense 34.1%, Strategy 20.9%, Shooter 15.2%, Action 12.7%, Bullet Hell 12.6%
In this classic inspired Tower Defense Bullet Hell Shooter, security bots have revolted and you, the sole surviving pilot, are all that stands between the colonies and defeat. Upgrade your ship, weapons and turrets whilst facing a plethora of enemies and colossal bosses. Why did the drones turn?
Why similar: Tower Defense 36.9%, Shoot 'Em Up 25.2%, Strategy 17.9%, Action 16%, Sci-fi 4.2%
You are an archer tasked with defending a castle from invading monsters. Inside the castle, you can manage resources and harvest crops, gather experience points to level up, and learn new skills and abilities to face stronger enemies.
Why similar: Tower Defense 47.9%, Strategy 22.8%, Action 12.9%, Shooter 10.9%, 2D 3.7%
Year 2425, humanity colonized the exoplanet named SACH-041840. But then, in the 55th year "they" came; No one knows who or what controls them, but what is known is that if they reach the colony proper, it will be annihilated. It is up to you to bring the WRECKONING upon them!
Why similar: Tower Defense 24.6%, Shoot 'Em Up 16.5%, Strategy 13.2%, Shooter 12.2%, Arcade 11.3%
Anomaly Warzone Earth Mobile Campaign continues Steam's Anomaly Warzone Earth in an extra 15-level campaign. Originally released on mobile devices, the campaign is brought to Steam for PC, Mac and Linux exclusively in Anomaly Bundle. AWE Mobile Campaign turns tower defense on its head.
Why similar: Strategy 42.2%, Tower Defense 29.9%, Action 21.7%, Sci-fi 4.7%, Indie 1.1%
Exclusively brought to Steam for PC, Mac and Linux in Anomaly Bundle, Anomaly Korea is an expansion campaign to Anomaly Warzone Earth. The alien robots are back and this time they’ve got Korea in their sights. It’s your job to lead a squad into fierce fire-fights and fend off the alien invasion.
Why similar: Strategy 42.5%, Tower Defense 31.2%, Action 19.6%, Sci-fi 5%, Indie 1.5%
A fast-paced, hero-driven tower defense-like game where you dodge enemy attacks, cast unique spells, and survive relentless waves.
Why similar: Tower Defense 30.9%, Strategy 27.4%, Shoot 'Em Up 18.5%, Action 18.4%, 2D 3.1%
M.A.C.E. Tower Defense is a classic tower defense game with unique towers and enemies and an ingame shop system for getting better towers, upgrade existing towers and buy special items.
Why similar: Tower Defense 37.6%, Strategy 34.5%, Action 19.4%, Sci-fi 4.5%, Indie 4.1%
Lead an armored squad through the perils of this reversed tower defense action-strategy game!
Why similar: Strategy 37.9%, Tower Defense 36.8%, Action 10.8%, Aliens 5.6%, Sci-fi 5.6%
Defend Ooo from the Bloon invasion in this epic tower defense crossover.
Why similar: Tower Defense 39.6%, Strategy 31.2%, Action 16.1%, Cartoon 12.3%, Singleplayer 0.8%
Slash, shoot, guard, grow! Karous, a Dreamcast shoot 'em up originally released back in 2007, is now soaring onto PC. Play as Karous, a girl who lost her parents in a great war with humans. Driven by her father's dying words, she descends to Earth in search of the Sanguis Dei.
Why similar: Shoot 'Em Up 27.3%, Bullet Hell 24%, Shooter 18.2%, Arcade 16.8%, Action 8.7%
A challenging 2D boss rush shooter. Use your reflexes and mobilities to face off against a legion of foes.
Why similar: Bullet Hell 16.5%, Action 14.8%, Arcade 14.3%, Shooter 14.1%, Shoot 'Em Up 13.6%
Gunvein is a dynamic, aggression-based bullet hell shoot em up where you use lock on lasers, charged weapons, bombs & hypers to overwhelm the enemies before they overwhelm you.
Why similar: Shoot 'Em Up 29.4%, Bullet Hell 22.9%, Arcade 15.6%, Action 13.1%, Shooter 10.5%
A Tower Defence game, that actually allows you to sit inside the turret and come face-to-face with the enemies! Addictive strategy - action game, with loads of shooting and explosions! Nearing 2 MILLION DOWNLOADS!
Why similar: Strategy 40.1%, Tower Defense 37.9%, Action 18.2%, Indie 3.7%
Arcade hit Raiden first left its mark on the shooting genre 25 years ago. The easy to learn, hard to master series comes to the PC in its most modern and advanced form yet! Join the war for Earth's future-where the tide of battle holds constant surprises.
Why similar: Shoot 'Em Up 30.8%, Bullet Hell 20.8%, Arcade 17.5%, Shooter 16.5%, Action 14.4%
The sequel to the hit strategy game, with new weapons, landscapes, and options.
Why similar: Strategy 38.3%, Tower Defense 37.2%, Action 20.4%, Indie 4.2%
Epic sci-fi tower defense action with 16-bit era look and feel, pitching your colonists against an almost endless horde of hostile alien robots who strongly oppose your attempts of colonizing their planet! Deluxe version includes the soundtrack!
Why similar: Tower Defense 39.7%, Strategy 35.5%, Action 20.6%, Indie 4.3%
Project Myriad is a tower defense strategy game. You build towers on a map of hexagons that will attack and defeat oncoming waves of enemies. Towers can be upgrade and some have varied upgrade paths. The goal is clear as many waves as possible. How far can you get?
Why similar: Strategy 35.7%, Tower Defense 33.8%, Cartoon 10.9%, Action 7.6%, Cartoony 7.5%
The monsters are coming to invade our kingdom. Can you help our guild to stop them? Play it BEAUTIFULLY: the ultimate tower defense game has finally arrived. An epic guild of epic Heroes, dozens of angry monsters, amazing powers, golems, a lot of different and unique colorful levels is what is waiting for you in Ancient Tower.
Why similar: Tower Defense 35.3%, Strategy 32.7%, Action 27.9%, Indie 4.1%
A retro space shoot 'em up with pixel art graphics, unique enemies, tough angry bosses, and a killer soundtrack. You are among the first pilots to arrive in the system to mount the counteroffensive against the aggressors. Get out there and show these aliens the price for messing with The Alliance!
Why similar: Bullet Hell 23.3%, Shoot 'Em Up 21.7%, Shooter 15.4%, Arcade 14%, Action 10.3%
Tiestru offers a new perspective to strategy games. The player has control all over the map and defines his strategy with the structures that he builds. Each structure, each connection, each location offer new and enhanced powers. In this deep and complex game everything is up to you! Define your strategy!
Why similar: Tower Defense 41.3%, Strategy 33.5%, Action 21.1%, Indie 4.2%
Blast your way through enemy waves. Strike at enemy formations prioritizing targets depending on the situation. Rip them to pieces using an arsenal of powerful and versatile weapons. Put your reflexes to the test dodging a fire storm of enemy projectiles. Destroy challenging Bosses to achieve victory.
Why similar: Action 23.5%, Bullet Hell 22.1%, Shoot 'Em Up 21.1%, Arcade 14.3%, Shooter 13.8%
Tiny Toyfare is a Tower Defense/FPS hybrid with a focus on strategic calm followed by twitch action. Construct powerful towers, recruit adorable squads and fight off the Dino invasion!
Why similar: Tower Defense 40.9%, Strategy 34.6%, Action 20%, Indie 4.5%
Project Root the Shoot’em up Evolution.Project Root is a classic shoot’em up with open scenarioswhere the player's skill will be the key to survive.
Why similar: Shoot 'Em Up 30.3%, Action 19.7%, Shooter 17.3%, Bullet Hell 15.4%, Arcade 13.6%
Anomaly Defenders is the closing installment of the Anomaly series. The original incarnation of the Tower Offense sub-genre had players controlling humans fighting alien invaders. Now, the tables have turned. The human counterattack is underway and the alien homeworld is under threat.
Why similar: Tower Defense 51.3%, Strategy 29.9%, Action 13.8%, Indie 2.8%, Sci-fi 2.2%
Craft Your Ultimate Circular Fortress! Dive into SHOOPER NOVA, where you choose props and components to build a unique fortress. Unlock combos to shape your strategy and battle style. Become an unstoppable barrage machine and obliterate waves of enemies from all directions!
Why similar: Tower Defense 28.6%, Strategy 18.9%, Bullet Hell 16.4%, Arcade 9.7%, Action 8.9%
Cybxus Hearts inspired by classic Japanese shooting games. This is a game where you control three different characters at the same time.
Why similar: Bullet Hell 25.5%, Shoot 'Em Up 23.6%, Arcade 15.5%, Action 13.6%, Shooter 13.2%
BotKill is a fast paced top-down arena shooter where you face endless waves of deadly war machines. Scavenge debris from fallen enemies, upgrade your arsenal, and unleash destruction in an all-out bullet hell against ruthless bots and towering bosses.
Why similar: Tower Defense 24.9%, Bullet Hell 14.4%, Shoot 'Em Up 14.2%, Shooter 13%, Arcade 12.6%
Fat Chicken is a REVERSE TOWER DEFENSE game where you fatten up farm animals for slaughter by pumping them full of hormones, overfeeding them and basting them with antibiotics to keep them alive so they're worth more when you turn 'em into tasty, tasty packaged meat...it's what's for dinner!
Why similar: Strategy 39.6%, Tower Defense 36.1%, Action 19.5%, Indie 4.8%
Grab up to 3 friends to fortify a graveyard camp and hold off hordes of undead using tons of weapons and buildings!
Why similar: Strategy 39.5%, Action 23.4%, Tower Defense 21.9%, Shooter 10.2%, Indie 5.1%
A classic style SHMUP in the tradition of 80's and 90's vertical scrolling shooters. Maximize your run and get to the top of the High-score Leaderboard. Can you achieve the rank of Fleet Admiral? It's a challenge. Visit our website for a free playable browser demo of the game.
Why similar: Shoot 'Em Up 19.1%, Shooter 16.8%, Bullet Hell 16.4%, Action 15.5%, Arcade 15%
Anomaly 2 is a sequel to the critically acclaimed Anomaly Warzone Earth. Maintaining the core elements of the original, Anomaly 2 adds plenty of new features: unit morphing, over million tactical combinations, post-apo world and tower defense vs tower offense multiplayer mode.
Why similar: Tower Defense 39.6%, Strategy 37%, Action 15.1%, Sci-fi 4.5%, Indie 3.3%
Galactic Missile Defense is a shooter and tower defense game, where you must protect Earth from the invading Martians that declared war on our planet just because a space rover accidentally ruined their picnic!
Why similar: Tower Defense 21.9%, Shoot 'Em Up 15.2%, Aliens 13.7%, Arcade 10.9%, Shooter 10.8%
The ultimate mash-up of Real-time Strategy and Tower Defense!
Why similar: Tower Defense 53.1%, Strategy 20.7%, Action 6.8%, Aliens 5.8%, Arcade 4.7%
A strategy / tower defense where you must move from location to location, buy and sell your "merchandise". While you move you will find random encounters that will help you get more "merchandise", make you lose it, or challenge you even more, by making you defend your life for it.
Why similar: Tower Defense 31.1%, Strategy 23.6%, Action 15.1%, Shoot 'Em Up 12.5%, Shooter 10.5%
Riders 2491 is an action shoot'em up game that pays homage to the classics of 90’s arcades with modern visuals.
Why similar: Bullet Hell 18.2%, Shoot 'Em Up 17.8%, Arcade 15.6%, Action 14.9%, Shooter 14.8%
Build defenses and use your trusty catapult to stop the goblin horde from stealing your treasure.
Why similar: Tower Defense 31.6%, Strategy 26.9%, Action 17%, Arcade 16.3%, Cartoony 7.9%
Defend the planet to the end by taking down waves of enemies! Orbit Assault Action Defense game "Endless Invader" Don't you want to get completely immersed in the play with various combat styles? Play now!
Why similar: Tower Defense 31.2%, Bullet Hell 17%, Shooter 16.9%, Action 16.1%, Shoot 'Em Up 14.6%
Blast off as a little star trying to rid the cosmos of angry celestial beings in Feeble Light, a 3-tone pixel art shoot’em up where minimalistic presentation makes way for precision controls and fluid animation!
Why similar: Shoot 'Em Up 25.8%, Bullet Hell 22.1%, Shooter 16.4%, Arcade 14.4%, Action 11.8%
Take command of your faction's only Starbase in Zone 10. In this innovative, arcade style, tower defense game you can build your own maze using specialty blocks and defend your Starbase against spaceships and ground troops that can blow up parts of your defenses.
Why similar: Strategy 43.5%, Action 24.3%, Tower Defense 19.9%, Arcade 6.8%, Indie 5.5%
Players resist enemy invasion by building production bases, constructing conveyor belts, upgrading carriers, and strengthening weapons.
Why similar: Tower Defense 32%, Strategy 27.4%, Bullet Hell 17.5%, Shooter 15.1%, Sci-fi 3.7%
Rush for Glory is featuring challenging and rewarding Tower Defense battles, in which players are defending their base against an alien invasion. By strategically building towers and upgrading them, the player can keep his base safely and further progress through the extensive singleplayer campaign.
Why similar: Tower Defense 55%, Strategy 30.9%, Action 14.1%
1x! Space Adventure is an arcade top-down shump with gradually increasing difficulty.
Why similar: Bullet Hell 20%, Shoot 'Em Up 19.9%, Action 18.9%, Arcade 18.6%, Shooter 17.7%
Classic 80s inspired shooter
Why similar: Bullet Hell 23%, Shoot 'Em Up 20.9%, Shooter 15.1%, Arcade 13.4%, Action 10.8%
Build your cities and set up defensive structures to protect them from the constant threat of monsters. Brought to you by ACE Team, SolSeraph combines action and strategy for a rich gameplay experience reminiscent of the 16-bit era.
Why similar: Strategy 48.9%, Action 28.9%, Tower Defense 22.1%
Spoids is a challenging throwback to the original brand of tower defense games. Command the Remote Defense Space Station and respond to distress calls of those who are being attacked by the invaders. Travel from planet to planet using your powerful arsenal to hold back the Spoids.
Why similar: Tower Defense 39.2%, Strategy 36.2%, Action 16%, Indie 4.5%, Sci-fi 4.1%
Load your guns! Rain death from above! Protect your valuable orphans! Defeat giant, improbable bosses! Gunhouse is part puzzle, part active tower defense, as you make big combos to launch a hail of bullets and special attacks at the enemies who want to consume your delicious orphan friends!
Why similar: Tower Defense 32.2%, Strategy 18.7%, Arcade 15.2%, Cartoon 10.9%, Cartoony 9%
Slash. Dodge. Shoot. Survive. A fast-paced arcade shooter packed with relentless enemy waves.
Why similar: Bullet Hell 18.3%, Action 16.3%, Shoot 'Em Up 16.1%, Arcade 15.9%, Shooter 15.6%
Oh no! Anxiety Bot has found himself in a meteor field! Try to help him survive as long as possible in this cozy, laid back arcade shooter. How long can you keep him safe?
Why similar: Strategy 23.6%, Action 17%, Bullet Hell 14.5%, Shoot 'Em Up 13.9%, Arcade 12.4%
Artificial Defense is a one man made, real time strategy game combining orbital shooter and tower defense components within an electrifying, virtual reality setting. You are the machine, a mighty computer-system defending its servers against swarms of intruding creeps.
Why similar: Strategy 42.7%, Tower Defense 29.2%, Action 22.7%, Indie 5.5%
Vertical-scrolling 2D shooting game with three types of weapons
Why similar: Shoot 'Em Up 20.2%, Action 18.6%, Arcade 18.5%, Shooter 18.2%, Bullet Hell 15.3%
In this family-friendly arcade-style shooter, you will take command of powerful weapons to defend the village of Inirea from hordes of monsters, gaining points and powerups as you progress through the game.
Why similar: Tower Defense 25.4%, Shoot 'Em Up 17.4%, Shooter 13.7%, Arcade 13.6%, Bullet Hell 13.3%
This book contains several of tamazusa's small-scale STG works, mainly game jam works.
Why similar: Shoot 'Em Up 21.5%, Action 19%, Bullet Hell 18.6%, Arcade 18.5%, Shooter 17.6%
A 2D vertical shoot 'em up that lets you upgrade your ship with an insane amount of options. From missiles and pods to specials and shields, you can upgrade every bit of your ship from guns to thrusters.
Why similar: Bullet Hell 18.6%, Shoot 'Em Up 17.8%, Arcade 16%, Shooter 15.8%, Action 15.6%
Join Micheal Chang, the Monkey King, on his journey through famous landmarks of ancient China and fight off mythical creatures and legends in this classic arcade shooter.
Why similar: Shoot 'Em Up 27%, Action 25.2%, Arcade 17.5%, Bullet Hell 15.5%, Shooter 14.7%
PRISMIDIA: Spirit of the Rift is a sci-fi shoot 'em up game in the style of arcade classics. Dodge barrages of attacks, survive bullet hell bosses, and save Prismidia!
Why similar: Bullet Hell 21.1%, Shoot 'Em Up 21%, Shooter 14.7%, Arcade 13.1%, Aliens 10.5%