Games like The Vector
Games like The Vector include Idle Champions of the Forgotten Realms, Cookie Clicker, Keep on Mining!, Melvor Idle, and Shelldiver. We matched them by the tags players give The Vector on Steam (Incremental, Idler, Sci-fi, Casual, and Automation): closest matches first, and among equally close ones the better-known games.

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

Cookie Clicker
Shared: Incremental · Idler · Casual

Keep on Mining!
Shared: Incremental · Idler · Casual

Melvor Idle
Shared: Idler · Casual · Singleplayer

Shelldiver
Shared: Incremental · Casual · Idler

Fortune Mill
Shared: Incremental · Idler · Automation

Nodebuster
Shared: Incremental · Idler · Casual

Space Rock Breaker
Shared: Incremental · Casual · Idler

SPACEPLAN
Shared: Incremental · Casual · Idler

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

To The Core
Shared: Incremental · Casual · 2D

Firestone – Idle Clicker Online RPG
Shared: Incremental · Idler · 2D

Fracture Field
Shared: Incremental · Idler · Automation

Digseum
Shared: Incremental · Idler · Casual

Plantera
Shared: Incremental · Idler · Automation

Starvester
Shared: Incremental · Idler · Automation

Orbitmine
Shared: Sci-fi · Casual · Idler

All Hail the Orb
Shared: Incremental · Idler · Automation

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

Click the Button
Shared: Incremental · Casual · Idler

Click and Conquer
Shared: Incremental · Idler · Casual

Incredicer
Shared: Incremental · Idler · Casual

Your Chronicle
Shared: Idler · Incremental · Singleplayer

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