Games like Instruction
Games like Instruction include Banana, Cookie Clicker, Bongo Cat, Idle Champions of the Forgotten Realms, and TBH: Task Bar Hero. We matched them by the tags players give Instruction on Steam (Casual, Incremental, Idler, 2D, and Funny): closest matches first, and among equally close ones the better-known games.

Banana
Shared: Incremental · Casual · 2D

Cookie Clicker
Shared: Incremental · Idler · Casual

Bongo Cat
Shared: Idler · Free to Play · Casual

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

TBH: Task Bar Hero
Shared: Idler · Pixel Graphics · Free to Play

Coloring Game
Shared: Casual · Free to Play · Pixel Graphics

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

Shelldiver
Shared: Casual · Incremental · Idler

Nodebuster
Shared: Casual · Incremental · Idler

Unfair Flips
Shared: Casual · Incremental · 2D

Human-powered spacecraft
Shared: Casual · Incremental · Idler

Digseum
Shared: Casual · Incremental · Idler

Space Rock Breaker
Shared: Casual · Incremental · Idler

Click the Button
Shared: Casual · Incremental · Idler

Timberman
Shared: Casual · Pixel Graphics · 2D

Keep on Mining!
Shared: Incremental · Casual · Idler

Click and Conquer
Shared: Casual · Incremental · Idler

Scribble It!
Shared: Funny · Free to Play · Casual

DELTARUNE
Shared: Funny · Pixel Graphics · 2D

To The Core
Shared: Casual · Incremental · 2D

There Is No Game: Wrong Dimension
Shared: Casual · Funny · Pixel Graphics

Zero Stress King: Idle Defense
Shared: Idler · Casual · Incremental

Fortune Mill
Shared: Incremental · Idler · Casual

Tiny Pasture
Shared: Idler · Incremental · Casual