Yes it is, however you will need a little modification such as changing/upgrading the C2 plugins to C3.
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I'm sorry but i'm not sure I could help, cause it's been 2 years since I'm playing with Construct, and also I haven't tried C3 since its release (because I moved to another game engine).
Maybe you can try asking Erigato.space because he can succesfully ported this template to c3.