It is VERY hard to get me to put more than 50+ hours on any non-nostalgic game. So far the only other game is Revolution Idle (only cuz it's an idle game) and Risk of Rain 2. THIS GAME IS FUN.

It scratches all the right itches of producing things efficiently. Adding one number with another and there's not enough of another? Produce another system to create more! Too many of both numbers? Create another overflow feed system to keep up with supply! Really big numbers? Use multiply/exponential factory parts to make big numbers, and use subtraction/division factory parts to bring it to the exact number!

Want the belts to move faster/factory parts to produce quicker? Produce other numbers beside the main one to complete objectives for upgrades!

I highly recommend if you like optimization and math. Totally worth it, and doesn't take too much focus while scratching the hyperfixation itch!

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I liked this game. It can get fairly repetitive, but I didn't find that to be a bad thing. It's a factory game that isn't super sweaty. You can go "maximum efficiency" if you want but there's no real need to. No time pressure, no deadlines, just building out belts. I found it a good crossover of the factory and idle genres with a hint of cozy in there somehow. Good one to put on for a bit where you're more interested in the YT/movie/whatever is on the second screen. Currently it is very fairly priced at 7 USD.