IMHO.

SUCCESSOR OF THE KEY vs Astro Attack

SUCCESSOR OF THE KEY and Astro Attack 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. SUCCESSOR OF THE KEY (2020) is 4 years older than Astro Attack (2024). Astro Attack is currently ~40% cheaper on Steam than SUCCESSOR OF THE KEY (2.99 USD vs. 4.99 USD). 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 SUCCESSOR OF THE KEY

Choose SUCCESSOR OF THE KEY if it matches what drew you to this matchup. SUCCESSOR OF THE KEY launched in 2020.

Choose Astro Attack

Choose Astro Attack if you want the Steam Leaderboards side of the pairing. On Steam, it's currently about 40% cheaper on the Steam Store. Astro Attack launched in 2024.

Both SUCCESSOR OF THE KEY and Astro Attack sit in Action, Indie, and Casual on Steam, 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

SUCCESSOR OF THE KEY vs Astro Attack — Steam metadata comparison
SUCCESSOR OF THE KEY — Steam game coverSUCCESSOR OF THE KEYAstro Attack — Steam game coverAstro Attack
Released20202024
GenresAction, Indie, CasualAction, Indie, Casual
PlatformsWindowsWindows
Steam DeckUnratedUnrated
Price4.99 USD2.99 USD
Steam reviews1 reviews4 reviews
MultiplayerSingle-player onlySingle-player only
DevelopersAKIBA-WillowBlocky Pixel

Side by side

SUCCESSOR OF THE KEY vs Astro Attack — FAQ

Should I play SUCCESSOR OF THE KEY or Astro Attack first?
If you want chronology, SUCCESSOR OF THE KEY (2020) came out before Astro Attack (2024). 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 SUCCESSOR OF THE KEY and Astro Attack 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.
SUCCESSOR OF THE KEY vs Astro Attack — Verdict (2026) · imho.run