I’m not sure what Floop is – at first glance, it looks like an anthropomorphic frog that’s on its last legs.

Look closer and you’ll see it’s something wearing an amphibian costume, though you can purchase more to change Floop’s look, as you’ll see from the screenshots included here.

Regardless of what costume Floop wears, the fact remains that their house has been invaded.

And it’s up to you to fight back and stop this surreal house invasion from succeeding.

Visually, Floop’s Big House Adventure is pretty cool, immediately bringing to mind the classic, anarchic Nickelodeon and MTV cartoons of the 90s – both in its colour scheme and overall, deliberately crude aesthetic.

You’ll also note a cheeky nod to another cartoon, very prominently displayed on a TV screen in Floop’s Living Room.

The creature design is appropriately disgusting and Floop’s house is such a gross mess that you almost feel as if the invasion might be a blessing.

Floop is controlled using a virtual joystick and two buttons, allowing you to fire either left or right.

Though you start off with a weedy firearm, you’ll soon find powered up weapons, dropped by the weird alien enemy things you dispatch, along with extra lives (tacos!) too.

Shoot Bob during the action and you can enter a portal, once you’ve cleared the stage.

Through the portal you’ll be offered a choice of power ups by Bob, which definitely come in handy.

Oh, and there are huge bosses to deal with periodically too; just like the regular sized enemies, they’re visually fun and suitably gross in terms of their design.

It’s pretty fun for a free mobile game; it’s also admirable that the only in-app purchases in the game are extra costumes for Floop; merely cosmetic, it means that if you want to progress to the end of Floop’s adventure, all that’s standing in your way is your own skill.

Well, that and the virtual controls. There were a few times where I seemed to inadvertently lose the ability to move, having to re-centre my thumb during a crucial moment of the frantic gameplay.

It also feels as if Floop’s Big House Adventure should be a 360°, twin-stick style shooter; though you do get used to it somewhat, the left/right shooting system does feel a bit inadequate to deal with the relentless onslaught of enemies at times.

There could also be a clearer indicator for what power ups actually do, before you make your choice in Bob’s Shop – as you can only choose one, it seems important to know what you’re actually going to get when you make your choice.

Still, overall I really enjoyed Floop’s Big House Adventure and it’s refreshing to play a free game that actually feels properly free, without restrictions.

You can download Floop’s Big House Adventure for free for Android or iOS; extra costumes are offered for a small fee as a way of supporting the developers.

Many thanks to Craig Robinson of Buttery Games for bringing Floop’s Big House Adventure to my attention.