Games like Happy Fisherman
Games like Happy Fisherman include DAVE THE DIVER, Potion Craft: Alchemist Simulator, Keep on Mining!, Stardew Valley, and The Sims™ 4. We matched them by the tags players give Happy Fisherman on Steam (Casual, Singleplayer, Relaxing, 2D, and Life Sim): closest matches first, and among equally close ones the better-known games.

DAVE THE DIVER
Shared: Casual · Relaxing · Singleplayer

Potion Craft: Alchemist Simulator
Shared: Singleplayer · Relaxing · 2D

Keep on Mining!
Shared: Casual · Relaxing · Idler

Stardew Valley
Shared: Life Sim · Relaxing · Casual

The Sims™ 4
Shared: Life Sim · Singleplayer · Casual

Unpacking
Shared: Casual · Relaxing · Singleplayer

Melvor Idle
Shared: Casual · Singleplayer · Idler

Disney Dreamlight Valley
Shared: Relaxing · Life Sim · Casual

Zup! S
Shared: Casual · 2D · Relaxing

Screen Cat
Shared: Casual · Relaxing · Life Sim

Shelldiver
Shared: Casual · Relaxing · Idler

Cat Goes Fishing
Shared: 2D · Casual · Fishing

A Game About Feeding A Black Hole
Shared: Casual · Relaxing · 2D

Cast n Chill
Shared: Relaxing · Casual · Idler

Chill with You : Lo-Fi Story
Shared: Casual · Relaxing · Idler

Nodebuster
Shared: Casual · Idler · 2D

Hook
Shared: Casual · Relaxing · Singleplayer

Fischer's Fishing Journey
Shared: Casual · Idler · Relaxing

Fish to Dish: Idle Sushi
Shared: Casual · Idler · Relaxing

Plants vs. Zombies GOTY Edition
Shared: Singleplayer · Casual · 2D

Mountain
Shared: Casual · Relaxing · Singleplayer

My Time at Portia
Shared: Life Sim · Casual · Singleplayer

A Little to the Left
Shared: Relaxing · Casual · Singleplayer

Coral Island
Shared: Relaxing · Life Sim · Singleplayer