Vortex Attack: ボルテックスアタック vs Asteroids Millennium
Vortex Attack: ボルテックスアタック and Asteroids Millennium both land in Action, Indie, Casual 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 share Action, Indie, Casual on Steam. Vortex Attack: ボルテックスアタック (2015) is 2 years older than Asteroids Millennium (2017). Asteroids Millennium scores higher on Steam reviews (89.5% positive) than Vortex Attack: ボルテックスアタック (75.7% positive). No login or purchase needed — scroll for the full table, the verdict FAQ, and links to ranked similar games for both titles.
Side-by-side comparison
 Vortex Attack: ボルテックスアタック |  Asteroids Millennium | |
|---|---|---|
| Released | 2015 | 2017 |
| Genres | Action, Indie, Casual | Action, Indie, Casual |
| Platforms | Windows | Windows, Linux |
| Steam Deck | Deck Playable | Unrated |
| Price | 7.99 USD | 7.99 USD |
| Steam reviews | 75.7% positive (37 reviews) | 89.5% positive (19 reviews) |
| Multiplayer | Multi-player, Shared/Split Screen Co-op, Co-op | Single-player only |
| Developers | KaleidoGames | Geoff Nagy |
Side by side
- Both share Action, Indie, Casual on Steam.
- Vortex Attack: ボルテックスアタック (2015) is 2 years older than Asteroids Millennium (2017).
- Asteroids Millennium scores higher on Steam reviews (89.5% positive) than Vortex Attack: ボルテックスアタック (75.7% positive).
- Asteroids Millennium is currently ~0% cheaper on Steam than Vortex Attack: ボルテックスアタック (7.99 USD vs. 7.99 USD).
- Vortex Attack: ボルテックスアタック has co-op; Asteroids Millennium does not.
- Vortex Attack: ボルテックスアタック is Deck Playable on Steam Deck; Asteroids Millennium has no Deck rating yet.
Vortex Attack: ボルテックスアタック vs Asteroids Millennium — FAQ
- Should I play Vortex Attack: ボルテックスアタック or Asteroids Millennium first?
- If you want chronology, Vortex Attack: ボルテックスアタック (2015) came out before Asteroids Millennium (2017). 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 Vortex Attack: ボルテックスアタック and Asteroids Millennium similar?
- They overlap on Action, Indie, Casual 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 Asteroids Millennium have multiplayer like Vortex Attack: ボルテックスアタック?
- No. Vortex Attack: ボルテックスアタック supports multiplayer on Steam (Multi-player, Shared/Split Screen Co-op, Co-op), while Asteroids Millennium is listed as single-player only.
- Does Vortex Attack: ボルテックスアタック run on Steam Deck?
- Yes — Vortex Attack: ボルテックスアタック is rated Deck Playable by Valve. Asteroids Millennium doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.