Games like Frogs
Games like Frogs include Cookie Clicker, Idle Champions of the Forgotten Realms, Click the Button, Melvor Idle, and Tiny Pasture. We matched them by the tags players give Frogs on Steam (Free to Play, Indie, Creature Collector, 2D, and 2D Fighter): closest matches first, and among equally close ones the better-known games.

Cookie Clicker
Shared: Indie · Idler · Incremental

Idle Champions of the Forgotten Realms
Shared: Free to Play · Idler · Indie

Click the Button
Shared: Indie · Casual · Idler

Melvor Idle
Shared: Indie · Idler · Casual

Tiny Pasture
Shared: Idler · Creature Collector · Incremental

MyVoiceZoo
Shared: Creature Collector · Casual · 2D

A Game About Feeding A Black Hole
Shared: Indie · Casual · Incremental

Brawlhalla
Shared: Free to Play · 2D Fighter · Casual

Nodebuster
Shared: Casual · Incremental · Idler

Hidden Folks
Shared: Indie · Casual · 2D

Keep on Mining!
Shared: Indie · Idler · Incremental

Digseum
Shared: Idler · Casual · Incremental

Game Dev Tycoon
Shared: Indie · Casual · 2D

Fischer's Fishing Journey
Shared: Creature Collector · Idler · Casual

Cornerpond
Shared: Idler · Creature Collector · Incremental

Travellin Cats in Paris
Shared: Free to Play · Casual · Hand-drawn

Varenje
Shared: Free to Play · Indie · Casual

Papers, Please
Shared: Indie · Point & Click · Simulation

Shelldiver
Shared: Casual · Incremental · Idler

There Is No Game: Wrong Dimension
Shared: Indie · Point & Click · Casual

Zup! 4
Shared: Indie · 2D · Casual

Fantasy Aquarium
Shared: Idler · Casual · Creature Collector

War Thunder
Shared: Free to Play · Combat · Simulation

Samsara Room
Shared: Indie · Free to Play · Point & Click