Waking up in a strange facility, protagonist Aria Adams finds herself a Handheld Entropy Device (HED): a gun-like entity which can bend time, and houses a sassy virtual companion named Astra. If that sounds vaguely familiar, then you should already know what to expect. It’s hard to ignore the influence of Portal in The Entropy Centre, but thankfully, this isn’t just a copy and paste of an old classic.

As Aria proceeds through the Entropy Centre, she finds she’s the only person there. The rest of the centre seems to be abandoned, with walls crumbling and everything in a state of disrepair. She finds computers with emails which allude to a time when the facility was inhabited.

Progressing through the facility, a mystery is unravelled. What is this facility for? Where is everyone? And why are there so many puzzles? Answers begin to form.

The puzzles themselves are challenging, but not to the point of frustrating. With the help of the HED, Aria can wind back time and reverse the paths of certain objects. This leads to a lot of lateral thinking about where you need certain objects to be — not only at one point in time but in others — to ensure they can get to where they need to be at the right times.

Just when it feels like puzzles are getting stale, The Entropy Centre introduces a new element. Whether that’s in the early stages and upgrading the HED to have more features, or through different blocks you can use in the puzzles. There are blocks you can jump on to…