Games like FishPond
Games like FishPond include Cookie Clicker, Shelldiver, Cornerpond, Chillquarium, and Tiny Pasture. We matched them by the tags players give FishPond on Steam (Idler, Incremental, Sandbox, Fishing, and Nature): closest matches first, and among equally close ones the better-known games.

Cookie Clicker
Shared: Idler · Incremental · Economy

Shelldiver
Shared: Incremental · Idler · Management

Cornerpond
Shared: Idler · Incremental · Fishing

Chillquarium
Shared: Idler · Incremental · Fishing

Tiny Pasture
Shared: Idler · Incremental · Cute

Digseum
Shared: Incremental · Idler · Management

(the) Gnorp Apologue
Shared: Idler · Incremental · Economy

Planet Zoo
Shared: Sandbox · Management · Nature

Nodebuster
Shared: Incremental · Idler · Management

Fortune Mill
Shared: Idler · Incremental · Economy

DAVE THE DIVER
Shared: Management · Fishing · Underwater

Scritchy Scratchy
Shared: Incremental · Idler · Management

Rusty's Retirement
Shared: Idler · Management · Nature

Fishing Inc
Shared: Incremental · Fishing · Idler

Keep on Mining!
Shared: Idler · Incremental · Economy

WorldBox - God Simulator
Shared: Sandbox · God Game · Life Sim

Budgie's Bug Shop
Shared: Incremental · Idler · Economy

Stardew Valley
Shared: Sandbox · Life Sim · Relaxing

Tiny Aquarium: Social Fishkeeping
Shared: Idler · Fishing · Economy

Megaquarium
Shared: Sandbox · Underwater · Management

Cast n Chill
Shared: Idler · Fishing · Relaxing

Game Dev Tycoon
Shared: Management · Economy · Sandbox

Lyca
Shared: Incremental · Idler · Management

PolyPine
Shared: Incremental · Idler · Sandbox