King's new Pet Rescue Puzzle Saga is out now, and we've already smashed through dozens of stages.

If you're looking for more energy so you can keep trying those tougher stages, we've got the guide for you.

Here we'll detail the best ways to get as much energy as possible without paying out of your wallet. Because no one wants to pay up when they're playing a free to play game, right?

Read on for everything you need to know about playing without paying in Pet Rescue Puzzle Saga.

Improve home base

Pet Rescue Puzzle Saga

One of your secondary goals in Pet Rescue Puzzle Saga will be to improve your home base, where your rescued animals will live.

You'll be improving your home over time by adding more animals and building new rooms to offer new facilities for your animals.

But wait, you want more energy, right? Well that's exactly what this is here for — over time, taking care of your animals will replenish your energy so you can go back to solving puzzles.

That means that even when you get stuck on a really difficult level and keep losing lives, you won't need to cough up your precious gold bars, the game's premium currency.

No, instead go into your home base and see what your animals need. They have a variety of options, and even a few wardrobe improvements you can add. More can be bought or earned over time in-game.

The animals can even go fishing. Fishing reveals a reward, but is hidden behind a cooldown timer. 8 hours for smaller animals, and a whopping 24 for the larger ones. Fishing requires patience, after all.

But this will eventually give you more bonuses, energy, and the ability to build new rooms in the house, so you should ensure there's a cooldown ticking away at all times.