Single-player games like UDONGEIN X
Below are 12 single-player Steam games similar to UDONGEIN X, 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 UDONGEIN X page.
Ranked picks
- 1
Touhou Juuouen 〜 Unfinished Dream of All Living Ghost.
Single-player alternative to UDONGEIN X — playable solo, no multiplayer required. Shares Action and Indie with UDONGEIN X.
東方Project第19弾は、対戦型弾幕シューティング！ ダークで元気いっぱいで、ちょっぴり可愛い妖獣たちの狂宴をお楽しみに。
- 2
東方剛欲異聞 ～ 水没した沈愁地獄
Single-player alternative to UDONGEIN X — playable solo, no multiplayer required. Shares Action and Indie with UDONGEIN X.
不思議な力を持つ少女たちを操作して異変の解決を目指す2D弾幕アクションゲーム。立ち塞がる敵が繰り出して くる圧倒的弾幕を時には避け、時には攻撃で無害な水にして切り抜け、戦場に溢れた水を使う事で強力な攻撃 「スペルカード」を繰り出し決闘を制していく駆け引きのゲームです。 主人公は複数から選択可能で、ストーリーもゲーム内容もそれぞれ個性に応じて違った展開を楽しめます。 無数の弾幕とライバルを蹴散らし、この世界の異変の元凶をその目で確かめてください。
- 3
Earthion
Single-player alternative to UDONGEIN X — playable solo, no multiplayer required. Shares Action with UDONGEIN X.
Earthion is a side-scrolling space shooter developed natively for 16-bit systems. Guide space fighter pilot Azusa Takanashi in her fight to repel the alien invaders and save planet Earth.
- 4
I Am Sakuya: Touhou FPS Game
Single-player alternative to UDONGEIN X — playable solo, no multiplayer required. Shares Action with UDONGEIN X.
Dodge bullets, shoot enemies and even stop time as you navigate through 15 beautiful levels in this perfect blend of bullet hell and FPS. Uncover the origins of Sakuya Izayoi's past and investigate the mansion where the scarlet vampires resides in this Touhou Project Fangame!
- 5
FLARE NUINUI QUEST
Single-player alternative to UDONGEIN X — playable solo, no multiplayer required. Shares Action and Indie with UDONGEIN X.
Play as Shiranui Flare in this retro action platformer, wielding her dual pistols, as you explore the world on a quest to save your friends!
- 6
Haunted Lands
Single-player alternative to UDONGEIN X — playable solo, no multiplayer required. Shares Action and Indie with UDONGEIN X.
Slay grim cultists, infernal minions, and nightmarish creatures in this dark and bloody retro-inspired action platformer. Uncover secrets, acquire powerful artifacts, and face challenging bosses in the Haunted Lands.
- 7
Syder Arcade
Single-player alternative to UDONGEIN X — playable solo, no multiplayer required. Shares Action and Indie with UDONGEIN X.
Killing zombies never gets old, but sometimes you just need a break. Get back to some serious old-school gaming with Syder Arcade! Syder Arcade is a love letter to Amiga games of the ‘90s, no coins, no upgrade grinding, just your tenacity and a motherload of alien invaders.
- 8
DRAINUS
Single-player alternative to UDONGEIN X — playable solo, no multiplayer required. Shares Action and Indie with UDONGEIN X.
This is a side-scrolling shooting game in which you take control of the "Drainus", the Kharlal Empire's most cutting-edge fighter with the ability to absorb energy bullets, and take down the enemy ships zipping through space.
- 9
Mega Man 11
Single-player alternative to UDONGEIN X — playable solo, no multiplayer required. Shares Action with UDONGEIN X.
Mega Man is back! The newest entry in this iconic series blends classic, challenging 2D platforming action with a fresh new visual style. The new Double Gear system boosts Mega Man's speed and power for a new twist to the satisfying gameplay the series is known for.
- 10
Mega Man X Legacy Collection
Single-player alternative to UDONGEIN X — playable solo, no multiplayer required. Shares Action with UDONGEIN X.
Mega Man X Legacy Collection includes the legendary 16-bit titles and the series’ exciting foray into the 32-bit era: Mega Man X, Mega Man X2, Mega Man X3, and Mega Man X4. Test your skills in the new X Challenge mode, which pits players against two deadly bosses at once.
- 11
Touhou Mystia's Izakaya
Single-player alternative to UDONGEIN X — playable solo, no multiplayer required. Shares Indie with UDONGEIN X.
A brand new pixel art restaurant simulator based on the Touhou Project! Play as Mystia, the owner of a small izakaya. Collect ingredients by day, cater to the customers by night, learn recipes from familiar characters, and become the best izakaya owner in all of Gensokyo!
- 12
Touhou Artificial Dream in Arcadia
Single-player alternative to UDONGEIN X — playable solo, no multiplayer required. Shares Indie with UDONGEIN X.
Explore Gensokyo from an outsider's perspective in this old-school Touhou DRPG!