In Pet Simulator 99, pets are more than just companions—they are your key to success in battles, farming, and unlocking new zones. Upgrading your pets is one of the most crucial aspects of the game if you want to excel. Whether you’re aiming for higher damage output, more efficient resource farming, or just trying to boost your pet’s overall stats, there are several effective ways to upgrade your pets.

Here are 16 proven methods to help you upgrade your pets in Pet Simulator 99 and make sure your team is the best it can be.

1. Focus on Stat-Upgrading Items

One of the simplest ways to upgrade your pets is by using stat-boosting items. These items can increase your pet's attack power, defense, speed, or loot drop rate. Pay attention to Pet Simulator 99 items for sale in the in-game shop or from other players to get your hands on these valuable upgrades.

2. Maximize Pet Leveling

Leveling up your pets is a fundamental part of upgrading them. Regularly train your pets, especially the rarer ones, to increase their stats. Leveling is the fastest and most direct method to improve your pets' abilities. Don’t forget to prioritize the pets you use most often to maximize their impact.

3. Use Evolution Stones

Evolution Stones are essential for transforming your pets into more powerful versions of themselves. These stones can be found through different activities in the game, or you can purchase them in the shop. Evolving your pets is a great way to drastically boost their stats and unlock new abilities.

4. Equip Your Pets with Gear

Certain Pet Simulator 99 items for sale are designed specifically for equipping pets. Gear can significantly boost your pet’s effectiveness in combat or resource farming. Look for weapons, armor, or accessories that complement your pets’ abilities and enhance their overall performance.

5. Upgrade Pet Skills

Some pets have unique skills or abilities that can be upgraded. Focus on upgrading these skills to make your pets more versatile in battle or more efficient in farming. Whether it’s increasing damage dealt or improving their loot drop rates, enhancing these skills can be a game-changer.

6. Unlock Special Abilities with Gems

If you want to give your pets a significant upgrade, consider using gems. You can buy Pet Simulator 99 gems to unlock powerful abilities or special skins for your pets. Special abilities can give your pets a huge advantage, especially in competitive or high-level environments.

7. Breed Pets for New Traits

Breeding is another excellent method to upgrade your pets in Pet Simulator 99. When you breed two pets, the offspring often inherit beneficial traits or higher stats. By carefully selecting pets with the right combination of traits, you can produce superior pets that are stronger, faster, or more efficient.

8. Equip Pets with Pet Food

Pet food is an often overlooked upgrade method, but it plays a vital role in maintaining and improving your pets' health. Pet food can also temporarily boost certain attributes. Use it to keep your pets performing at their best in battles or farming.

9. Participate in Events for Rare Items

Regular in-game events offer exclusive items and pets that can’t be obtained elsewhere. Participating in these events is a great way to upgrade your pets, as you can obtain rare items or pets with unique stats. Keep an eye out for special event pets that can be added to your team.

10. Increase Pet Affinity

Affinity or friendship levels between you and your pets can impact their performance. By spending time with your pets and leveling up their affinity, you can unlock bonuses that enhance their stats. This is especially useful for maximizing the effectiveness of high-level pets.

11. Use Pet Shards for Upgrades

Pet shards are collectible items that can be used to enhance specific pets. You can exchange these shards to increase a pet's stats or unlock new features. Shards are particularly useful for upgrading rarer pets, so make sure to collect and use them wisely.

12. Activate Pet Boosts

Pet boosts are temporary buffs that can give your pets a significant advantage in battles or farming. These boosts can be activated by using certain items or abilities. Don’t forget to take advantage of these boosts during intense gameplay sessions, especially when tackling difficult enemies or collecting resources quickly.

13. Upgrade Your Pet's Rarity

Rarity plays a major role in determining how powerful a pet can become. Through specific upgrading methods, you can increase the rarity of your pets. By unlocking higher rarity tiers, you can enhance your pets’ abilities and make them more valuable for your team.

14. Trade for Higher-Level Pets

If you're looking to quickly boost your team, trading is a viable option. Look for players offering high-level or rare pets, and trade some of your own pets or items to acquire them. Be cautious when trading, though—make sure the deal benefits you in the long run.

15. Utilize Boosting Pets for Resource Farming

Resource farming is another area where pets can be upgraded. Some pets specialize in increasing the amount of resources you gain, such as boosting the loot drop rate or the number of coins collected. Focus on farming pets with these attributes to enhance your resource-gathering efforts.

16. Upgrade Pets with Rare Gems

Rare gems can be used to upgrade your pets’ abilities and stats. By using these gems wisely, you can significantly increase the strength of your pets. You can also buy Pet Simulator 99 gems to speed up your progression and gain access to premium upgrades.

Upgrading your pets is key to success in Pet Simulator 99, whether you're looking to increase your farming efficiency, dominate in PvP, or take on endgame content. By using a combination of methods, including leveling, evolving, equipping gear, and utilizing in-game events, you can create the ultimate pet team.

Be sure to check for Pet Simulator 99 items for sale regularly to see what new upgrades are available and to stay ahead of the competition. If you're looking to speed up your pet upgrades, consider investing in gems to unlock powerful abilities and features.