Choose Rival Megagun
Choose Rival Megagun if you want the Online PvP side of the pairing. On Steam, it's Steam Deck Verified, so handheld play works out of the box. Rival Megagun launched in 2018.
Rival Megagun vs HyperCore : Rhythm Bullet Hell
Rival Megagun and HyperCore : Rhythm Bullet Hell both land in Indie 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 Indie games on Steam. Rival Megagun (2018) is 8 years older than HyperCore : Rhythm Bullet Hell (2026). Rival Megagun is Deck Verified on Steam Deck; HyperCore : Rhythm Bullet Hell has no Deck rating yet. 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 HyperCore : Rhythm Bullet Hell
Choose HyperCore : Rhythm Bullet Hell if you want an Action experience. On Steam, it's the newer release (2026) and ships with the modern feature baseline. HyperCore : Rhythm Bullet Hell launched in 2026.
Both Rival Megagun and HyperCore : Rhythm Bullet Hell sit in Indie on Steam and both list Multi-player, Shared/Split Screen, and Steam Leaderboards, so either pick lands in the same broad neighborhood. Use the side-by-side table for the feature view, or follow the "Games like" links below to see ranked alternatives for either title.
Side-by-side comparison
 Rival Megagun |  HyperCore : Rhythm Bullet Hell | |
|---|---|---|
| Released | 2018 | 2026 |
| Genres | Indie | Action, Indie |
| Platforms | Windows | Windows |
| Steam Deck | Deck Verified | Unrated |
| Price | 5.99 USD | Price unknown |
| Steam reviews | 97.1% positive (35 reviews) | — |
| Multiplayer | Multi-player | Multi-player |
| Developers | RJ Arcade | Gameinaframe |
Side by side
- Both are Indie games on Steam.
- Rival Megagun (2018) is 8 years older than HyperCore : Rhythm Bullet Hell (2026).
- Rival Megagun is Deck Verified on Steam Deck; HyperCore : Rhythm Bullet Hell has no Deck rating yet.
Rival Megagun vs HyperCore : Rhythm Bullet Hell — FAQ
- Should I play Rival Megagun or HyperCore : Rhythm Bullet Hell first?
- If you want chronology, Rival Megagun (2018) came out before HyperCore : Rhythm Bullet Hell (2026). 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 Rival Megagun and HyperCore : Rhythm Bullet Hell similar?
- They overlap on Indie 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 Rival Megagun run on Steam Deck?
- Yes — Rival Megagun is rated Deck Verified by Valve. HyperCore : Rhythm Bullet Hell doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.