Rank 01Why this
Also 2.5D and Side Scroller, like UDONGEIN X2.
- $14.99 (Price checked Oct 3)
- Deck Verified
- 2026
The closest matches to UDONGEIN X2: Deer & Boy, Momodora: Reverie Under The Moonlight, Timespinner, Cursed Castilla (Maldita Castilla EX), and Primal Planet. Ranked by imho.run from Steam co-play data, shared tags and reviews.
Rank 01Why this
Also 2.5D and Side Scroller, like UDONGEIN X2.
Rank 02
Rank 03
Valve-Verified or Playable picks from the similar pool — ready to go on Deck out of the box.

Why this: Also 2.5D and Side Scroller, like UDONGEIN X2.





The closest matches to UDONGEIN X2: Deer & Boy, Momodora: Reverie Under The Moonlight, Timespinner, Cursed Castilla (Maldita Castilla EX), and Primal Planet. Ranked by imho.run from Steam co-play data, shared tags and reviews.
If UDONGEIN X2 is your kind of game, the closest matches are Deer & Boy, Momodora: Reverie Under The Moonlight and Timespinner — picked from the ranked list below. Each pick is ranked by what players of this game also play, shared genres and tags, and review-mined similarity — not a generic popularity list.
About UDONGEIN X2: Udongein X2 is a 2D bullet hell platformer featuring an open world that takes place primarily in Gensokyo, the main setting of Touhou Project. More importantly... What would you do if you were invited to hell?
Not out yet
A summary of what players say, not a promise you'll like it. Every signal is listed below.
People who play it also play: Deer & Boy, Momodora: Reverie Under The Moonlight, Timespinner
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside UDONGEIN X2 are Deer & Boy, Momodora: Reverie Under The Moonlight, Timespinner.
UDONGEIN X2 was developed by Bar Holographic Otaku.