>>11354763
Granted! Naturally, you'd be an early adopter... which isn't always a good thing.
You know all of those "early access" games out there? The ones with all of the bugs? Well, you WERE an earthling chosen for the program, but the version you were first given lost your original form. Oops!
It's ok though, you'll have access to avatar customization (who wants to be a normal guy when you can be a catgirl, or "girl"?), and you get to use the program without having to be an "official" tester as compensation... but you'll end up being a bug tester anyways. Maybe it's because you're a living glitch, in a sense, or maybe the universe just enjoys fucking with you. Either way, you'll encounter downright comical issues that bleed over into your reality, even.
To give you an idea, let's look at the examples you gave. Testing a catgirl avatar? ARA will set your language to "cat", removing your ability to speak coherently, and give you cute, but impractical paws that make voice and manual use of your device VERY hard. Of course, you're just ONE of the Earthlings chosen. Another might have also opted into the catgirl test as a futa, and mistaken you as the mate she was supposed to match with in this forest, or perhaps a new NPC? Or maybe just a REALLY kinky person who willingly put themselves in this predicament. There's no way someone "accidentally" got stuck like that...
The universe will throw you a bone, and ensure you always get OUT of these scenarios, whether you finally manage to operate a touchscreen with a paw bean, or your lover resets you for you, or a given simulation simply ends and dumps you back into your reality (often still with kinky changes, but people who can help you). Or maybe you want to try that arachne scenario out, set a duration... and wake up as the captive instead of the spider.
You're prone to much more mundane glitches as well. You might try customizing yourself, only to accidentally drag an drop a body part as you try to select it.