While there isn't a central hub for community-created assets, players use third-party tools to unlock "secret" content and god-like powers:
Because why not? This completely unserious mod removes all fish models and replaces the player character with a flying saucer. You “eat” fish by beaming them up. The laser sounds and tractor beam effects are fully functional. It’s a palate cleanser after tense survival runs.
The primary way to mod Feed and Grow: Fish is through the AzzaMods Mod Launcher
Enhancing your experience in with mods allows you to break past the standard evolutionary limits, play as "secret" creatures, and customize the aquatic ecosystem. Whether you want to swim as a Colossal Squid or turn every fish into a hyper-aggressive predator, the modding community provides several powerful tools. 🛠️ Essential Modding Tools
However, this led to a problem where official updates sometimes broke the Workshop mods. Every time the developers updated the fish roster or the Unity engine version, the modders had to scramble to update their creations, leading to periods where the Workshop was a graveyard of broken mods.