Games like otters and stones
Games like otters and stones include Shelldiver, Digseum, Stardew Valley, Unpacking, and Cookie Clicker. We matched them by the tags players give otters and stones on Steam (Incremental, Pixel Graphics, Life Sim, Management, and Simulation): closest matches first, and among equally close ones the better-known games.

Shelldiver
Shared: Incremental · Management · Resource Management

Digseum
Shared: Incremental · Management · Simulation

Stardew Valley
Shared: Pixel Graphics · Life Sim · Simulation

Unpacking
Shared: Pixel Graphics · Cute · Relaxing

Cookie Clicker
Shared: Incremental · Pixel Graphics · Management

Minami Lane
Shared: Life Sim · Cute · Management

Supermarket Simulator
Shared: Management · Simulation · Life Sim

Scritchy Scratchy
Shared: Incremental · Resource Management · Simulation

Tiny Pasture
Shared: Incremental · Pixel Graphics · Cute

Planet Zoo
Shared: Management · Simulation · Cute

DAVE THE DIVER
Shared: Pixel Graphics · Management · Simulation

(the) Gnorp Apologue
Shared: Incremental · Management · Cute

Gamblers Table
Shared: Incremental · Management · Minimalist

Let's Build a Zoo
Shared: Pixel Graphics · Simulation · Management

Click and Conquer
Shared: Incremental · Pixel Graphics · Simulation

Cat Mail Co.
Shared: Management · Simulation · Life Sim

Travellers Rest
Shared: Pixel Graphics · Life Sim · Management

Tower Wizard
Shared: Incremental · Pixel Graphics · Resource Management

Planet Coaster
Shared: Simulation · Management · Relaxing

Fortune Mill
Shared: Incremental · Pixel Graphics · Simulation

Big Ambitions
Shared: Management · Life Sim · Simulation

Potion Craft: Alchemist Simulator
Shared: Simulation · Management · Relaxing

Nodebuster
Shared: Incremental · Simulation · Management

Dressmaker
Shared: Simulation · Life Sim · Management