Top similar games like Aeternum:

"Murasaki" is a puzzle explosion game. Use explosions to clear the screen of pesky obstacles filling it up. The only controls you need are the directional buttons and two other buttons (Z and X)!

Bullet Heaven 2 is a bullet-hell shoot-em-up inspired by games like Touhou and Jamestown. It's all about shooting every cute thing that moves, while dodging hundreds of shiny bullets per second!

AstroViking is a horde-survival shoot em' up with RPG elements! Forge your own superpowered Viking with 60+ upgrade nodes and take on an endless swarm of aliens!

Maiden & Spell is a magical girl battle game, set in a cutesy fantasy world. Select from one of eight young ladies to battle 1 on 1 with a friend, or fight your way through a series of bosses and learn the secrets of The Kingdom of Stars.

This is a fan-made Touhou shmup with one single stage, similar to the extra stage of official Touhou games. This game has an auto dodging system, which gives you a choice to ignore all the danmaku and only focus on the story.

The humanity succumbed against the power of a aliens intergalactic empire, but managed to organize and establish a resistance army. Join the rebellious seekers of peace and help them defeat the evil that haunts the Earth.

In the distant future, after a tough war against machines and artificial intelligence, humanity is forced to create a fortress underground. Unfortunately, the Supply Collector Team has been kidnapped and the future of mankind lies on one man, Cyne Rizerous.

Face the strong enemy and unique platformer. Run, Jump, Punch, Shoot. Get various weapons and upgrades along the way. Fight and dodge bullets from challenging boss battle!

Fantastic Danmaku Festival is a Touhou Project fanfiction STG with colourful danmaku, beautiful remix music and original music. Besides the characters we know in Touhou Project, there is also a brand new original character named Nix in this game! With the Scarlet Devil mansion as their stage, the girls are soaring in the sky of Gensokyo!

飛び出そう、いつも通りの弾幕へ それが結果として世界をひっくり返す事になるだろう プリティでデュアリスチックなシューティング幻想！

東方Project第16.5弾！ 超能力女子高生「宇佐見菫子」に、突如襲いかかる幻想郷の住人達。その恐ろしくも美しい弾幕を、スマホに撮りまくり、SNS映えを狙おう！ サイキカルでSNS映え狙いのシューティング幻想！

NEON THE NINJA is a punk rock platformer where you hide in plain sight and bring swords to the gun fight. Slay each boss and take their power if you don’t smash your controller first! Are You Ninja Enough?

天狗の取材は一方的で新聞記事は捏造ばかり。 強行取材、捏造記事の楽しさを君にも！ トラディショナルな妖怪達の本気の日常を激写せよ！

Wish Project is a vertical shoot 'em up that features unique and challenging bullet patterns, 4 difficulties ranging from casual to hardcore, 8 unique playable characters, 6 stages, local co-op, unlockable characters and game modes, and an intuitive scoring system that encourages replay and mastery.

Saviors brings the best bullet hell experience you can find on Steam. Play through 18 challenging stages in this ultimate test of tactics and reflexes.

The Touhou fangame where you return balance to the world by breaking the scale. Dodge storms of bullets as you work to discover the source of the abnormality. Tired of playing by the rules? Then change the game - up the risk and reward. Break the balance and embrace Discord.

弾幕は　地獄であるほど　美しい 深ければ深いほど地底は地獄の姿を取り戻す ヘリッシュでラブリーな弾幕シューティング地獄

Iwate Mountain Dance is a tough-as-nails bullet hell boss fighter. Take on unique multi-stage bosses in a grand dance of handcrafted fights, each with their own attack patterns and intense combos, as you explore the lands of Iwate and learn its history.

アレは何だ？　鳥か？　妖精か？ 謎に満ちた未確認幻想物体が、君を未知の世界に誘う！ ファンタスティックでレトロな弾幕シューティング幻想

A deep, tactical shoot'em up. With every takedown, you’ll earn cash and xp to upgrade your ship and unlock new abilities. Online and local co-op. Unique versus mode. Realistic physics and water simulation.

我が国には八百万の神々がいる 弾幕は八百万発程度では終わらない ノスタルジックでネイティブな弾幕シューティング原風景

One fine day, Eryi went to eat the melon that she had been SO looking forward to... but it was nowhere to be found! Then she noticed a note on the table. She picked it up and read: "Your melon looked delicious, so I took it. From Farta X" Fuming with rage, Eryi set out from her house to get her melon back from Farta.

今度の異変は二人で一人？ いまだ煽り続ける都市伝説が新たな異変を引き起こす 今度の異変は二人が一人！？ならば二人で解決するしかない！

Become a magical girl hero and defend the alien world of Proxima Centauri b in Star Girl Proxima! An 8-bit style action-platformer.

Stop time and project yourself through space with “Time-stop warp” magic, pass through physical obstacles, dodge incoming bullets and shoot down your enemies! A satisfying shooter, filled with dark humor!

誰が強いのか、誰が賢いのか、誰が正しいのか　畜生の理に則って、全て弾幕で決めよう！ ワイルドでビーストライクなシューティング幻想！

Welcome Pilot to the Ardein Initiative. We are leaving Earth, and we need you to protect us. Face new challenges and new rivals EVERY DAY. Can you plan your defense to ever changing war? Can you save humanity?

Jet Lancer is a high-velocity aerial combat shooter where you duel enemy aviators, hunt giant robots, and defy death at supersonic speeds as you evolve from an unknown rookie aviator into a once-in-a-generation ACE pilot.

Reload for more shooting action with GundeadliGne, the 2nd title in the Gundemonium Collection

Touhou Blooming Chaos 2 is an brand new rogue shooter where you control a character of a varied cast to explore an all randomized labyrinth. Enjoy the excessive fun of reaping enemies and character training. With balanced difficulty, you can always find your place as either beginner or veteran!