Games like Quintillion Quest
Games like Quintillion Quest include Cookie Clicker, Idle Champions of the Forgotten Realms, Tower Wizard, Orb of Creation, and Bills Must Be Paid. We matched them by the tags players give Quintillion Quest on Steam (Strategy, Incremental, Casual, Resource Management, and Puzzle): closest matches first, and among equally close ones the better-known games.
Cookie Clicker
Shared: Incremental · Casual · Idler
Idle Champions of the Forgotten Realms
Shared: Strategy · Incremental · Idler
Tower Wizard
Shared: Incremental · Strategy · Resource Management
Orb of Creation
Shared: Incremental · Strategy · Casual
Bills Must Be Paid
Shared: Incremental · Strategy · Roguelite
Shelldiver
Shared: Incremental · Casual · Resource Management
Dragon Cliff
Shared: Strategy · Incremental · Idler
Timber Rush
Shared: Casual · Strategy · Idler
(the) Gnorp Apologue
Shared: Incremental · Strategy · Idler
Keep on Mining!
Shared: Incremental · Casual · Idler
Chef Knight
Shared: Strategy · Incremental · Casual
A Game About Feeding A Black Hole
Shared: Incremental · Casual · Strategy
Nodebuster
Shared: Incremental · Strategy · Casual
Incredicer
Shared: Incremental · Casual · Strategy
Horripilant
Shared: Incremental · Casual · Idler
Fortune Mill
Shared: Incremental · Idler · Resource Management
Reus
Shared: Strategy · Casual · Puzzle
Zero Stress King: Idle Defense
Shared: Strategy · Casual · Incremental
Scritchy Scratchy
Shared: Incremental · Resource Management · Idler
Click the Button
Shared: Casual · Incremental · Idler
Mini Motorways
Shared: Strategy · Casual · Puzzle
Click Mage
Shared: Incremental · Casual · Resource Management
Plants vs. Zombies GOTY Edition
Shared: Strategy · Casual · Singleplayer
Maktala: Slime Lootfest
Shared: Incremental · Strategy · Idler