About this game

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About the Game

Fishlets is a cute, cozy fish-collecting aquarium game!



Care for adorable pixel fish and design charming aquatic environments for your pets to call home. Collect rare fish and color variants as you relax and nurture your underwater friends. Feed your fish, manage their happiness levels, keep your tanks clean, and fight off invaders who threaten to upset the tranquility. Progress through the game's Adventure mode to unlock fish, critters, and decoration items, then dive into the virtual tanks mode for a more chill and relaxing experience.

Play how you like

Try out the two game modes to see which one you enjoy most. Adventure mode offers active play and by completing levels, you'll unlock fish, critters, and decoration objects to add to your virtual tanks. Idle mode is more of a chill, casual game mode where you can sit back, relax, and collect rare fish and their many color variants.

48+ fish with 350+ color variants

Visit the shops and browse the diverse selection of fish that you can add to your tanks! Every fish has a chance to spawn color variants that vary in rarity, along with ultra rare "unique" variants that look much different from their typical counterparts. Collect them all, or just your favorite ones!

Critters, deco, and plants, oh my!

The fish selection isn't the only impressive thing. Visit the Critter shop to add snails, shrimp, and even axolotls to your tanks. Stop by the Decoration shop and decide whether the driftwood or pineapple house would make a better centerpiece in your tank. Don't forget to visit the Plant shop to add some flowy greenery to your pets' homes.

Sit back and relax

Once you have your fish tanks just how you want them, let the game run on your second monitor while you study or sleep and watch your fish idle, swim, and school together. Every fish species has its own hand-drawn swimming animations and smooth movement system. The sound design has been carefully crafted to sound relaxing and peaceful, as any fish tank should be!

Notable features:

• Cute, hand drawn pixel fish
  
• Adventure and Idle game modes
  
• Color variants and fish grades (Can you obtain an elusive S-grade Unique variant?)
  
• Fish happiness, tank cleanliness, swimming levels, and unique behaviors
  
• Critters such as snails, shrimp, newts, and more
  
• Tank customization and upgrades
  
• Relaxing sound design and soundtrack

Latest news

• Patch Notes·11 Oct 2025Official

  Happy Halloween! Patch 1.2.5

  Happy Spooktober! Two new limited time secret fish and two spooky decor items have been added for the month of October. Get them while they're around, before they return to the grave! The fish are obtainable when purchasing or spawning any fish in a tank. For the decor, you'll find a menu button at the top of Display and Hobby tanks that will take you to the new Event store! Don't worry if you miss out, they will return each year as long as you have this version or above of the game installed! Added Added a new button "Event Store" at the top of tanks, which appears only during some limited time eventsAdded 2 new holiday (spooky) fish, spawning rarely whenever any fish is purchasedAdded 2 spooky decor items, "Skull" deco and "Spooky Soil" substrateCorals and Live Rocks now get a white "bleached" overlay when in freshwater in Display tanksBug Fixes- fixed a crash when hovering over a certain area in Dragon's UI- adjusted betta fish breeding & mutation logic
  Read full article on Community Announcements (Pixlin)

• Patch Notes·19 Dec 2024Official

  Patch 1.2.4

  This patch fixes 2 crashes. Special shoutout to Soubi and Daddy Coffee for reporting these crashes over in the Discord server! - fixed a crash caused by having a fish's move or retire UI open when selling the fish - fixed a crash that happened in Adventure level 3-2 shortly after enemies spawned
  Read full article on Community Announcements (Pixlin)

• Patch Notes·17 Dec 2024Official

  Merry Fishmas! Update 1.2.3 Released

  Merry Fishmas! I hope you all have had a wonderful year. To close out the year, I wanted to release a small and festive update. This update fixes some bugs and introduces 3 holiday themed fish to the game. They have a random chance to spawn with the purchase of any fish but will only be available from now until January 5th. Collect them while you can! Don't fret if you miss out though, as long as you have this version of the game installed, they will make a return every year hereafter to spread joy and jingles! Added - Added 3 new holiday (secret) fish, one with 3 color variants. Bug Fixes - fixed a crash when hovering over a certain area in Skeleton's and Toy fish's UIs - fixed Pintail Guppy silhouettes not properly unlocking - fixed Unique Flowerhorn producing Barred Discus instead of Thai Silk Flowerhorn - fixed positioning of menu Exit text
  Read full article on Community Announcements (Pixlin)

• Patch Notes·15 Aug 2024Official

  Hotfix 1.2.2

  Another hotfix has been released thanks to some players who reported bugs over on the Discord! - fixed a crash when opening any tank that has a Giant Barb - fixed a bug with earnings decreasing when transferring fish between Display tanks
  Read full article on Community Announcements (Pixlin)

• Patch Notes·15 Aug 2024Official

  Hotfix 1.2.1

  Hotfix 1.2.1 has been released Shoutout to AgentShark for quickly reporting these bugs in the Discord server! - fixed a crash when attempting to move a fish to tank 5 - applied a fix for cash earnings becoming negative or inaccurate
  Read full article on Community Announcements (Pixlin)