We wouldn't blame you if you didn't realise there were working computers in these amazing creations.。

Case modification, or case mods, can start with changes as simple as giving your computer case a new coat of paint -- or, as you'll see, get really complicated. 。

SEE ALSO:Redditor Builds Portable Laptop-Sized Xbox 360 Mod
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Naturally, those exhibited at Computex, one of Taiwan's largest annual technology shows, did not hold back.  。

Naturally, those exhibited at Computex, one of Taiwan's largest annual technology shows, did not hold back.。

Here are some of our favourites: 。

Donkey Kong。

Credit: YVETTE TAN/MASHABLE。

Let's start off with one that needs no explanation.。

Build by modder Thermal Mike and Thermaltake's U.S. team, they actually sourced for original DK arcade logos for this Donkey Kong case.  。

Looks like it paid off -- the mod definitely has that old arcade feel.。

Taipei 101 。

What better way to represent Taiwan than with one of its famous icons?

Behold the Taipei 101 case mod, of the city's tallest skyscraper which stands at a height of 500m. 。Mashable Light SpeedWant more out-of-this world tech, space and science stories?Sign up for Mashable's weekly Light Speed newsletter.。By signing up you agree to our Terms of Use and Privacy Policy.。

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Credit: yvette tan/mashable 
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Modder Mike Petereyns said he was "struck by inspiration" the first time he saw the Taipei 101 and decided to make a case after it.。

Rocket League。

Credit: yvette tan/mashable。 Who doesn't love 。Rocket League。

? 。 "I spent about 290 hours working on this case mod, but on average they take me around 100 to 400 hours," Australian Stephen Hoad who worked on this mod told。Mashable 。

Mashable。

. 。

Hoad, who only started modding 18 months ago, now mods full-time for a living.。

Supercarrier。

The Taiwanese modder behind this crazily ambitious mod was actually inspired by the name of the motherboard, the ASRock Z270 Supercarrier. 。

The Supercarrier took around three months to build -- though if we're honest it looks like it took a lot longer.。

Just look at that attention to detail. 。

Credit: YVETTE TAN/MASHABLE
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The Wheel of Star。 Seriously, need we say more? Just look at it.。Yep, it。

spins 。

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The Wheel of Star, which is made by Modder Crow of Thailand, is by far the craziest thing we've seen.。

We're told by a Cooler Master spokesperson that the PC case is fully functional, and equipped with a HDMI wireless transmitter, so it can still connect to devices -- despite being in that case.。

Credit: YVETTE TAN/MASHABLE 。

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Credit: YVETTE TAN/MASHABLE 。

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This mod won first place in the Case Mod World Series, and its really not hard to see why. 。

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Stay tuned for more news from the Computex 2017 in Taipei, as we cover it from the showfloor. 。Featured Video For You。World travelers will love this suitcase that doubles as a scooter。