

Zachtronics is back with an ambitious new design-based puzzle game. Take on the role of a Reactor Engineer working for SpaceChem, the leading chemical synthesizer for frontier colonies. Construct elaborate factories to transform raw materials into valuable chemical products!
Each input wears a grade, S to D, read from the buyer's side. The color is the direction: green raises the score, red lowers it, grey sits neutral. ▼ marks a dock, ? a missing input. The exact weights stay secret. These are the inputs and the direction each pushes.
Most players never reach the end. On a 41.5-hour game, that's a lot you pay for and may never use. Steam global achievements
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BANGER · Strategy · 2011
Steam Deck PlayableBUY IT.
Yes. A BANGER at $4.99.
about 41.5h$4.99 (~)
Better value than 99% of Strategy games
The verdict is built to be quoted. Copy the line, or embed the live badge.
SpaceChem scores 86/100 on the BANG Score (a BANGER). The BANG Score rates what a game is worth for the money. Via Steam BANGERS. https://steamBANGERS.com/game/92800/spacechemThe BANG Score is one number for value, 0 to 100: price against how it reviews and how long it was built to be. It rates value, not taste. Whether it is for you is on you. How the score is computed → Data · updated 4h ago.
Low $4.99High $9.99Now $4.9950% off high
Price line + bands by tier:BANGERPrice history via IsThereAnyDeal.
Peak 11Low 11Latest 11
Daily peak concurrent players.Player counts via SteamSpy.
The lowest price on record is $0.99, set in November 2014. It has been discounted 71 times in the 14 years tracked here, typically at 75 percent off, with about 7 weeks between sales.
On value it sits in the top 1 percent of its genre. Among the games that feel like it, SHENZHEN I/O ($14.99, scores 92) beats it on value, while it beats TIS-100 ($6.99, scores 79).
Steam's global achievement data says about 6 percent of players ever finish it. On a 41.5-hour game, that is a lot of paid-for hours most people never see.