IMHO.

SHENZHEN I/O vs Comet 64

SHENZHEN I/O and Comet 64 both land in Indie, Simulation 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 Indie, Simulation on Steam. SHENZHEN I/O (2016) is 5 years older than Comet 64 (2021). SHENZHEN I/O scores higher on Steam reviews (95.2% positive) than Comet 64 (73.4% 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 SHENZHEN I/O

Choose SHENZHEN I/O if it carries the stronger Steam consensus at 95.2% positive across 2,198 reviews.

Choose Comet 64

Choose Comet 64 if it's the newer release (2021) and ships with the modern feature baseline. Comet 64 launched in 2021.

Both SHENZHEN I/O and Comet 64 sit in Indie and Simulation 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

SHENZHEN I/O vs Comet 64 — Steam metadata comparison
SHENZHEN I/O — Steam game coverSHENZHEN I/OComet 64 — Steam game coverComet 64
Released20162021
GenresIndie, SimulationIndie, Simulation
PlatformsWindows, macOS, LinuxWindows, macOS, Linux
Steam DeckDeck PlayableDeck Playable
Price14.99 USD14.99 USD
Steam reviews95.2% positive (2,198 reviews)73.4% positive (143 reviews)
MultiplayerSingle-player onlySingle-player only
DevelopersZachtronicsOnur Ayas

Side by side

SHENZHEN I/O vs Comet 64 — FAQ

Which is better, SHENZHEN I/O or Comet 64?
On Steam reviews SHENZHEN I/O scores higher (95.2% positive) than Comet 64 (73.4% positive). Both have enough reviews to trust the signal, so for players using reviews alone, SHENZHEN I/O is the safer pick. Genre fit still matters — check the side-by-side table for the categories each game lands in.
Should I play SHENZHEN I/O or Comet 64 first?
If you want chronology, SHENZHEN I/O (2016) came out before Comet 64 (2021). 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 SHENZHEN I/O and Comet 64 similar?
They overlap on Indie, Simulation 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.
SHENZHEN I/O vs Comet 64 — Verdict (2026) · imho.run