Single-player games like Danmaku Unlimited 2
Below are 10 single-player Steam games similar to Danmaku Unlimited 2, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Danmaku Unlimited 2 page.
Ranked picks
- 1

Danmaku Unlimited 3
Single-player alternative to Danmaku Unlimited 2 — playable solo, no multiplayer required. Shares Action and Indie with Danmaku Unlimited 2.
Take to the skies once again as the last defender of humanity against overwhelming odds! Lovingly built to be enjoyed by newcomers and genre veterans alike, Danmaku Unlimited 3 is a perfect medley of the best aspects of classic bullet hell shooters wrapped up in a modern and approachable package.
- 2

Crimzon Clover WORLD IGNITION
Single-player alternative to Danmaku Unlimited 2 — playable solo, no multiplayer required. Shares Action and Indie with Danmaku Unlimited 2.
Prepare yourself for an insatiable rain of bullets, bombs, and beams in Crimzon Clover. From Japanese indie developer Yotsubane, this retro top-down shooter is a wild ride you won't want to miss out on.
- 3

Ikaruga
Single-player alternative to Danmaku Unlimited 2 — playable solo, no multiplayer required. Shares Action and Indie with Danmaku Unlimited 2.
Shoot! Dodge! and... Get Hit!? "Ikaruga" is a vertical shoot 'em up that features an unique polarity-switching gameplay. Switch the ship's polarity and "get hit and absorb" enemy bullets! Achieve High Score with the chain bonus!
- 4

KAMUI
Single-player alternative to Danmaku Unlimited 2 — playable solo, no multiplayer required. Shares Action and Indie with Danmaku Unlimited 2.
Centuries have passed since the events of RefleX and mankind has once again attained civilization. Now, ancient technology born of a twisted mind sets in motion a chain of events designed to bring divine retribution down upon mankind.
- 5

Super Galaxy Squadron EX Turbo
Single-player alternative to Danmaku Unlimited 2 — playable solo, no multiplayer required. Shares Action and Indie with Danmaku Unlimited 2.
Super Galaxy Squadron is a fast-paced vertical shooter designed for human beings as well as SHMUP veterans. Featuring multiple game modes, a challenging but merciful difficulty curve, forgiving health system, and SEVENTEEN playable ships.
- 6

Gundemonium Recollection
Single-player alternative to Danmaku Unlimited 2 — playable solo, no multiplayer required. Shares Action and Indie with Danmaku Unlimited 2.
First of the three titles in the Gundemonium Collection, this pixel-style side-scroller brings the intensity of the 'bullet hell' shooter genre to Steam. Choose one of two playable characters, including an unlockable third character! Modify character weaponry to your liking!
- 7

GundeadliGne
Single-player alternative to Danmaku Unlimited 2 — playable solo, no multiplayer required. Shares Action and Indie with Danmaku Unlimited 2.
Reload for more shooting action with GundeadliGne, the 2nd title in the Gundemonium Collection
- 8

DoDonPachi Resurrection
Single-player alternative to Danmaku Unlimited 2 — playable solo, no multiplayer required. Shares Action with Danmaku Unlimited 2.
The legendary bullet-hell shoot-’em-up series has come to Steam! DoDonPachi is ressurected after a Blissful Death with enough modes to satisfy the beginner and the expert player alike. Tonight we dine in bullet hell!
- 9

Space Moth DX
Single-player alternative to Danmaku Unlimited 2 — playable solo, no multiplayer required. Shares Action and Indie with Danmaku Unlimited 2.
Fact: everything is better with lasers. So we put lasers on over 30 angry giant insects who want to stop you, Space Moth, from escaping Earth and going to the Moon. Show them who's boss and blast your way into space! (Check out the all new SPACE MOTH: LUNAR EDITION, linked below!)
- 10

KAIKAN
Single-player alternative to Danmaku Unlimited 2 — playable solo, no multiplayer required. Shares Action with Danmaku Unlimited 2.
KAIKAN is a vertical scrolling shooter that focuses on destroying enemies. Destroy enemies with 6 types of aircraft with different performance, clear 5 stages, and aim for a higher score.