Games like Task Bar Cube
Games like Task Bar Cube include TBH: Task Bar Hero, IdleOn - The Incremental MMO, Bongo Cat, Idle Champions of the Forgotten Realms, and Firestone – Idle Clicker Online RPG. We matched them by the tags players give Task Bar Cube on Steam (Free to Play, Idler, RPG, Trading, and Casual): closest matches first, and among equally close ones the better-known games.

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

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

Bongo Cat
Shared: Free to Play · Idler · Desktop Companion

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

Firestone – Idle Clicker Online RPG
Shared: Idler · RPG · Action RPG

Dragon Cliff
Shared: RPG · Idler · Strategy

Cookie Clicker
Shared: Idler · Casual · Pixel Graphics

Where Winds Meet
Shared: Free to Play · Action RPG · RPG

Dota Underlords
Shared: Free to Play · Casual · Strategy

Warframe
Shared: Free to Play · RPG · Action RPG

Crusaders Quest : Hero Town
Shared: RPG · Idler · Desktop Companion

Deskrawl: Idle ARPG
Shared: Idler · Desktop Companion · Casual

Melvor Idle
Shared: Idler · RPG · Casual

Path of Exile
Shared: Free to Play · Action RPG · RPG

Cell to Singularity - Evolution Never Ends
Shared: Free to Play · Idler · Casual

Idle Pins
Shared: Free to Play · Idler · RPG

Dota 2
Shared: Free to Play · Strategy · RPG

Your Chronicle
Shared: Idler · RPG · Free to Play

Desktop Defender
Shared: Idler · Desktop Companion · Casual

Brawlhalla
Shared: Free to Play · Casual · 2D Fighter

Nodebuster
Shared: Idler · Casual · Strategy

Loot Loop
Shared: Idler · Casual · RPG

Trove
Shared: Free to Play · Pixel Graphics · RPG

Bit Heroes Quest
Shared: Free to Play · RPG · Pixel Graphics