Choose CosmoDreamer
Choose CosmoDreamer if it matches what drew you to this matchup. CosmoDreamer launched in 2020.
CosmoDreamer vs Bullet Hell Monday: Black
CosmoDreamer and Bullet Hell Monday: Black both land in Action on Steam, which is why they keep getting compared. The comparison below is built from each game's Steam metadata — release year, genres, categories, Steam Deck status, price, and review score — refreshed daily by imho.run's scraper. Headline differences: Both are Action games on Steam. CosmoDreamer (2020) is 3 years older than Bullet Hell Monday: Black (2023). Both sit near 100% positive on Steam (CosmoDreamer: 67 reviews, Bullet Hell Monday: Black: 18). No login or purchase needed — scroll for the full table, the verdict FAQ, and links to ranked similar games for both titles.
Which should you pick?
Choose Bullet Hell Monday: Black
Choose Bullet Hell Monday: Black if you want an Indie experience. On Steam, it's the newer release (2023) and ships with the modern feature baseline. Bullet Hell Monday: Black launched in 2023.
Both CosmoDreamer and Bullet Hell Monday: Black sit in Action on Steam and both list Steam Leaderboards, so either pick lands in the same broad neighborhood. Steam reviews are nearly tied (100% vs 100% positive), so genre fit is the cleanest tiebreaker — scroll the table for the feature-by-feature view.
Side-by-side comparison
 CosmoDreamer |  Bullet Hell Monday: Black | |
|---|---|---|
| Released | 2020 | 2023 |
| Genres | Action | Action, Indie |
| Platforms | Windows | Windows |
| Steam Deck | Deck Playable | Unrated |
| Price | 7.99 USD | 8.99 USD |
| Steam reviews | 100% positive (67 reviews) | 100% positive (18 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | あうとさいど | Masayuki Ito |
Side by side
- Both are Action games on Steam.
- CosmoDreamer (2020) is 3 years older than Bullet Hell Monday: Black (2023).
- Both sit near 100% positive on Steam (CosmoDreamer: 67 reviews, Bullet Hell Monday: Black: 18).
- CosmoDreamer is currently ~11% cheaper on Steam than Bullet Hell Monday: Black (7.99 USD vs. 8.99 USD).
- CosmoDreamer is Deck Playable on Steam Deck; Bullet Hell Monday: Black has no Deck rating yet.
CosmoDreamer vs Bullet Hell Monday: Black — FAQ
- Should I play CosmoDreamer or Bullet Hell Monday: Black first?
- If you want chronology, CosmoDreamer (2020) came out before Bullet Hell Monday: Black (2023). If neither is a sequel to the other, order doesn't really matter — start with whichever fits your current mood, since both share enough on Steam to make either a reasonable opener.
- Are CosmoDreamer and Bullet Hell Monday: Black similar?
- They overlap on Action on Steam, so the catalogue groups them together — but "similar" depends on the specific mechanics. Use the genre + category rows above to decide whether the overlap matches what drew you to the one you've already played.
- Does CosmoDreamer run on Steam Deck?
- Yes — CosmoDreamer is rated Deck Playable by Valve. Bullet Hell Monday: Black doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.