Games like JAMs
Games like JAMs include Banana, Bongo Cat, Idle Champions of the Forgotten Realms, Cookie Clicker, and (the) Gnorp Apologue. We matched them by the tags players give JAMs on Steam (Idler, Incremental, Trading Card Game, Psychedelic, and Abstract): closest matches first, and among equally close ones the better-known games.

Banana
Shared: Incremental · Idler · Free to Play

Bongo Cat
Shared: Idler · Cute · Free to Play

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

Cookie Clicker
Shared: Idler · Incremental · Casual

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

IdleOn - The Incremental MMO
Shared: Idler · Incremental · Free to Play

Nodebuster
Shared: Incremental · Idler · Casual

TBH: Task Bar Hero
Shared: Idler · Free to Play · Trading

Keep on Mining!
Shared: Idler · Incremental · Casual

Shelldiver
Shared: Incremental · Idler · Casual

Tiny Pasture
Shared: Idler · Incremental · Cute

Tower Wizard
Shared: Idler · Incremental · Cute

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

Incredicer
Shared: Idler · Incremental · Casual

Firestone – Idle Clicker Online RPG
Shared: Idler · Incremental · Casual

拖拖拉拉小菲镇
Shared: Idler · Incremental · Casual

Digseum
Shared: Incremental · Idler · Casual

Chef Knight
Shared: Incremental · Idler · Casual

Shadowverse: Worlds Beyond
Shared: Trading Card Game · Free to Play · Strategy

Yu-Gi-Oh! Master Duel
Shared: Trading Card Game · Free to Play · Strategy

Dragon Cliff
Shared: Idler · Incremental · Casual

Bills Must Be Paid
Shared: Incremental · Idler · Casual