It looks like a fun game, but it is a little laggy on my low spec system. But I did crash it by trying to build a smelter where there was a tower of orange blocks that were joined together. Here is the error from the console (because I could not copy from the alert):
Invoking error handler due to
RuntimeError: null function or function signature mismatch
at https://html-classic.itch.zone/html/14386135/WebGL_0.1.3/Build/WebGL_0.1.3.wasm....
at https://html-classic.itch.zone/html/14386135/WebGL_0.1.3/Build/WebGL_0.1.3.wasm....
at https://html-classic.itch.zone/html/14386135/WebGL_0.1.3/Build/WebGL_0.1.3.wasm....
at https://html-classic.itch.zone/html/14386135/WebGL_0.1.3/Build/WebGL_0.1.3.wasm....
at https://html-classic.itch.zone/html/14386135/WebGL_0.1.3/Build/WebGL_0.1.3.wasm....
at https://html-classic.itch.zone/html/14386135/WebGL_0.1.3/Build/WebGL_0.1.3.wasm....
at https://html-classic.itch.zone/html/14386135/WebGL_0.1.3/Build/WebGL_0.1.3.wasm....
at https://html-classic.itch.zone/html/14386135/WebGL_0.1.3/Build/WebGL_0.1.3.wasm....
at https://html-classic.itch.zone/html/14386135/WebGL_0.1.3/Build/WebGL_0.1.3.wasm....
at https://html-classic.itch.zone/html/14386135/WebGL_0.1.3/Build/WebGL_0.1.3.wasm....
at https://html-classic.itch.zone/html/14386135/WebGL_0.1.3/Build/WebGL_0.1.3.wasm....
at https://html-classic.itch.zone/html/14386135/WebGL_0.1.3/Build/WebGL_0.1.3.wasm....
at https://html-classic.itch.zone/html/14386135/WebGL_0.1.3/Build/WebGL_0.1.3.wasm....
at https://html-classic.itch.zone/html/14386135/WebGL_0.1.3/Build/WebGL_0.1.3.wasm....
at _JS_CallAsLongAsNoExceptionsSeen (https://html-classic.itch.zone/html/14386135/WebGL_0.1.3/Build/WebGL_0.1.3.framework.js.br:9:33352)
at https://html-classic.itch.zone/html/14386135/WebGL_0.1.3/Build/WebGL_0.1.3.wasm....
at callUserCallback (https://html-classic.itch.zone/html/14386135/WebGL_0.1.3/Build/WebGL_0.1.3.framework.js.br:9:106508)
at Object.runIter (https://html-classic.itch.zone/html/14386135/WebGL_0.1.3/Build/WebGL_0.1.3.framework.js.br:9:107875)
at Browser_mainLoop_runner (https://html-classic.itch.zone/html/14386135/WebGL_0.1.3/Build/WebGL_0.1.3.framework.js.br:9:123672)
WebGL_0.1.3.framework.js.br:9 Uncaught RuntimeError: null function or function signature mismatch
at WebGL_0.1.3.wasm.br:0x2d2f288
at WebGL_0.1.3.wasm.br:0x2d2fd75
at WebGL_0.1.3.wasm.br:0x2c3a9d
at WebGL_0.1.3.wasm.br:0x14d063
at WebGL_0.1.3.wasm.br:0x1a409a3
at WebGL_0.1.3.wasm.br:0x8848be
at WebGL_0.1.3.wasm.br:0x11b738
at WebGL_0.1.3.wasm.br:0xd7c5be
at WebGL_0.1.3.wasm.br:0x294c77e
at WebGL_0.1.3.wasm.br:0x180bd2a
at WebGL_0.1.3.wasm.br:0x21bfbc9
at WebGL_0.1.3.wasm.br:0x17d1d77
at WebGL_0.1.3.wasm.br:0x17d1de7
at WebGL_0.1.3.wasm.br:0x284b7ba
at _JS_CallAsLongAsNoExceptionsSeen (WebGL_0.1.3.framework.js.br:9:33352)
at WebGL_0.1.3.wasm.br:0x284b8c9
at callUserCallback (WebGL_0.1.3.framework.js.br:9:106508)
at Object.runIter (WebGL_0.1.3.framework.js.br:9:107875)
at Browser_mainLoop_runner (WebGL_0.1.3.framework.js.br:9:123672)