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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.

Which should you pick?

Choose Vortex Attack: ボルテックスアタック

Choose Vortex Attack: ボルテックスアタック if you want the Multi-player, Shared/Split Screen, and Shared/Split Screen PvP side of the pairing. On Steam, it has co-op, so you can bring a friend. Vortex Attack: ボルテックスアタック launched in 2015.

Choose Asteroids Millennium

Choose Asteroids Millennium if it's a focused single-player run rather than a multiplayer commitment. Asteroids Millennium launched in 2017.

Both Vortex Attack: ボルテックスアタック and Asteroids Millennium sit in Action, Indie, and Casual on Steam and both list 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

Vortex Attack: ボルテックスアタック vs Asteroids Millennium — Steam metadata comparison
Vortex Attack: ボルテックスアタック — Steam game coverVortex Attack: ボルテックスアタックAsteroids Millennium — Steam game coverAsteroids Millennium
Released20152017
GenresAction, Indie, CasualAction, Indie, Casual
PlatformsWindowsWindows, Linux
Steam DeckDeck PlayableUnrated
Price7.99 USD7.99 USD
Steam reviews75.7% positive (37 reviews)89.5% positive (19 reviews)
MultiplayerMulti-player, Shared/Split Screen Co-op, Co-opSingle-player only
DevelopersKaleidoGamesGeoff Nagy

Side by side

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.
Vortex Attack: ボルテックスアタック vs Asteroids Millennium · imho.run