Games like Book of Decisions
Games like Book of Decisions include BidKing, Mini Motorways, Death and Taxes, Mini Metro, and Love is All Around 2. We matched them by the tags players give Book of Decisions on Steam (Typing, Strategy, Puzzle, Interactive Fiction, and Artificial Intelligence): closest matches first, and among equally close ones the better-known games.

BidKing
Shared: Strategy · Casual · Simulation

Mini Motorways
Shared: Strategy · Puzzle · Casual

Death and Taxes
Shared: Strategy · Puzzle · Simulation

Mini Metro
Shared: Strategy · Puzzle · Simulation

Love is All Around 2
Shared: Interactive Fiction · Dating Sim · Simulation

7 Days to End with You
Shared: Puzzle · Typing · Interactive Fiction

Her Story
Shared: Typing · Interactive Fiction · Puzzle

HackHub - Ultimate Hacker Simulator
Shared: Typing · Puzzle · Simulation

Dorfromantik
Shared: Puzzle · Strategy · Casual

There Is No Game: Wrong Dimension
Shared: Puzzle · Casual · Indie

Librarian: Tidy Up the Arcane Library!
Shared: Artificial Intelligence · Puzzle · Casual

Moncage
Shared: Puzzle · Casual · Strategy

Plague Inc: Evolved
Shared: Strategy · Simulation · Casual

Love Is All Around
Shared: Dating Sim · Interactive Fiction · Strategy

Killer Frequency
Shared: Puzzle · Interactive Fiction · Simulation

Just Go
Shared: Strategy · Casual · Puzzle

美女,请别影响我成仙
Shared: Interactive Fiction · Strategy · Casual

Hymer 2000
Shared: Typing · Puzzle · Artificial Intelligence

CaseCracker
Shared: Puzzle · Strategy · Typing

Buckshot Roulette
Shared: Strategy · First-Person · Puzzle

Game Dev Tycoon
Shared: Strategy · Simulation · Casual

Papers, Please
Shared: Simulation · Puzzle · Indie

Pixel Puzzles: Japan
Shared: Puzzle · Strategy · Casual

Totally Accurate Battle Simulator
Shared: Strategy · Simulation · Indie