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There are hundreds of pets to collect inRoblox’s smash hitPet Simulator 99.Collecting them all yourself would be a Herculean task, impossible for most players on their own. Luckily, Roblox is all about multiplayer, and PS99 is no exception.
Pet Simulator 99 allows you to trade with others to get the pets and items that you want. Once you’ve progressed through the game a bit, you can even access the Trade Plaza and set up a stall, selling pets you don’t need to earn Diamonds for the ones you really want!

Cross-trading - that is, trading items in one Roblox experience for something in another - is prohibited by Roblox’s terms of service and can result in your account being banned. Never accept a trade offer that asks you for anything that you can’t transfer directly through Pet Simulator 99 - especially real money.
How To Trade With Another Player
You can always trade with nearby players who are on the same server as you. To start a trade with a player,open the Pet Menuby clicking the button at the bottom of the screen.
There,click the Trade Button, indicated by a double arrow icon. A list of nearby players will appear;choose the player you’d like to trade withand click the green button next to their name.

The player will receive a message indicating that you’d like to trade with them. If they accept, you may begin.
If a player declines to trade, don’t keep asking them.
Each player can only have one trade negotiation going at a time; if you send out multiple trade requests,only the first one that’s acceptedwill proceed to the negotiation screen. If another player accepts a trade request while you’re still trading with someone else, the new player won’t be able to trade with you.
How To Disable Or Enable Trading
If you’d like to just play without doing any trades for the moment, you candisable tradesin the Settings Menu. Open the Pet Menu andclick the Gearat the bottom of the screen.
Tradingwill be one of the first options you see in the Settings Menu. Click the green button to cycle betweenAll, Friends Only,andDisabled.
You can change these settings at any time.
Where Is The Trade Plaza?
The Trade Plaza becomes availableafter your first Rebirthin Area 25. Using the Rebirth Statue there grants several benefits, includingadding the Castle Keyto your inventory.
Once you have the Castle Key, you can use it toopen the locked door to the leftshortly after leaving the Spawn Area. Inside are several advanced PS99 tools and features, including thegate to the Trade Plaza.
In the Trade Plaza, you canset up a boothto sell pets for Diamonds, or purchase pets from booths that other players have established. There’s also alarge screen overlooking the plazawhere pet auctions take place.
Auctions don’t last very long, so if you see a pet you want, and you’re able to afford it, be sure to bid!
All you have to do isclick the buttonson the booths or auction screen that you want to buy from. This is agreat way to get decently high-powered pets earlyusing the copious Diamond rewards given to new players just for progressing.