Question 1

What is CoS Trading Cards?

Accepted Answer

CoS Trading Cards is a free web tool for Creatures of Sonaria (Roblox) players. It lets you create professional trade card images, browse item market values, and calculate whether a trade is a Win, Fair, or Loss (W/F/L).

Question 2

How do I make a Creatures of Sonaria trade card?

Accepted Answer

Go to /card-maker, click "Select Item", search for your creature or item, configure the price and slot details (traits, mutations, age, gender), then click "Copy Image" to copy the card to your clipboard for Discord.

Question 3

Is CoS Trading Cards free?

Accepted Answer

Yes, completely free. No account, no ads, no signup required. All features — card generation, market browsing, and the W/F/L calculator — are free.

Question 4

What is a stored slot in Creatures of Sonaria?

Accepted Answer

A stored slot is a creature slot saved in the in-game storage system. Stored slots can be traded between players and may have traits, mutations, cosmetics, and a growth percentage.

Question 5

What does W/F/L mean in Creatures of Sonaria?

Accepted Answer

W/F/L stands for Win, Fair, or Loss — community shorthand for evaluating whether a trade is in your favour. The CoS Trading Cards calculator helps you determine this by comparing mush values on both sides.

Question 6

What is Mush in Creatures of Sonaria?

Accepted Answer

Mush is the primary in-game currency in Creatures of Sonaria, used to buy and sell creature slots, cosmetics, and other items.

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Creatures of Sonaria Wiki