Games like Alchemist's Garden
Games like Alchemist's Garden include Cookie Clicker, Digseum, (the) Gnorp Apologue, Chillquarium, and Keep on Mining!. We matched them by the tags players give Alchemist's Garden on Steam (Incremental, Idler, Collectathon, Shop Keeper, and Building): closest matches first, and among equally close ones the better-known games.

Cookie Clicker
Shared: Incremental · Idler · Collectathon

Digseum
Shared: Incremental · Idler · Management

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

Chillquarium
Shared: Collectathon · Idler · Incremental

Keep on Mining!
Shared: Incremental · Idler · Capitalism

Click the Button
Shared: Incremental · Idler · Collectathon

Shelldiver
Shared: Incremental · Idler · Management

Tiny Pasture
Shared: Idler · Incremental · Cute

Plantera
Shared: Incremental · Idler · Collectathon

Kiwi Clicker - Juiced Up
Shared: Incremental · Idler · Collectathon

Scritchy Scratchy
Shared: Incremental · Idler · Capitalism

TCG Card Shop Simulator
Shared: Collectathon · Economy · Management

Shop Titans
Shared: Idler · Shop Keeper · Crafting

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

Keep on Mining! - Worlds
Shared: Incremental · Idler · Collectathon

Tower Wizard
Shared: Incremental · Idler · Building

Bills Must Be Paid
Shared: Incremental · Capitalism · Idler

Nodebuster
Shared: Incremental · Idler · Management

Bugtopia
Shared: Idler · Incremental · Collectathon

Factory Town Idle
Shared: Incremental · Idler · Economy

Gamblers Table
Shared: Incremental · Idler · Capitalism

Rusty's Retirement
Shared: Idler · Building · Management

Scratchers
Shared: Incremental · Idler · Management

Fortune Mill
Shared: Incremental · Idler · Economy