Games like The Completionist: 1980-1989
Games like The Completionist: 1980-1989 include Cookie Clicker, Nodebuster, Bills Must Be Paid, Gamblers Table, and Scritchy Scratchy. We matched them by the tags players give The Completionist: 1980-1989 on Steam (Incremental, Idler, Automation, Strategy, and Capitalism): closest matches first, and among equally close ones the better-known games.

Cookie Clicker
Shared: Incremental · Idler · Management

Nodebuster
Shared: Incremental · Idler · Strategy

Bills Must Be Paid
Shared: Incremental · Strategy · Capitalism

Gamblers Table
Shared: Incremental · Automation · Management

Scritchy Scratchy
Shared: Incremental · Idler · Management

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

Victoria 3
Shared: Strategy · Economy · Simulation

Fortune Mill
Shared: Incremental · Idler · Automation

Lyca
Shared: Incremental · Idler · Strategy

Shelldiver
Shared: Incremental · Idler · Management

Incredicer
Shared: Incremental · Idler · Strategy

Digseum
Shared: Incremental · Idler · Management

Keep on Mining!
Shared: Incremental · Idler · Capitalism

Military Incremental Complex
Shared: Incremental · Idler · Automation

Rusty's Retirement
Shared: Idler · Automation · Management

Dragon Cliff
Shared: Idler · Strategy · Incremental

Moose Miners
Shared: Incremental · Idler · Strategy

MMO98
Shared: Incremental · Strategy · Idler

Starvester
Shared: Incremental · Idler · Automation

Game Dev Tycoon
Shared: Strategy · Management · Simulation

Slots & Diapers
Shared: Incremental · Automation · Idler

Tower Wizard
Shared: Incremental · Idler · Strategy

Chef Knight
Shared: Incremental · Strategy · Idler

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