Games like Open Bar
Games like Open Bar include Bakery Simulator, World of Guns: Gun Disassembly, Cell to Singularity - Evolution Never Ends, PC Building Simulator, and Touhou Mystia's Izakaya. We matched them by the tags players give Open Bar on Steam (Time Management, Real Time Tactics, Incremental, Education, and Crafting): closest matches first, and among equally close ones the better-known games.

Bakery Simulator
Shared: Time Management · Education · Crafting

World of Guns: Gun Disassembly
Shared: Incremental · Education · 3D

Cell to Singularity - Evolution Never Ends
Shared: Incremental · Education · Simulation

PC Building Simulator
Shared: Education · First-Person · Simulation

Touhou Mystia's Izakaya
Shared: Time Management · Casual · Incremental

Electrician Simulator
Shared: Education · First-Person · Simulation

Papa's Freezeria Deluxe
Shared: Time Management · Cooking · Casual

Berry Bury Berry
Shared: Incremental · First-Person · 3D

That's not my Neighbor
Shared: Point & Click · Casual · Incremental

112 Operator
Shared: Time Management · Education · Casual

KuloNiku: Bowl Up!
Shared: Time Management · Cooking · Simulation

Rail Route
Shared: Time Management · Real Time Tactics · Education

Pumping Simulator 2
Shared: Time Management · 3D · Casual

Leaf it Alone
Shared: Incremental · First-Person · Casual

Potion Craft: Alchemist Simulator
Shared: Crafting · Simulation · Singleplayer

Click the Button
Shared: Incremental · Point & Click · Casual

Increlution
Shared: Time Management · Incremental · Point & Click

Sandwich Simulator
Shared: Education · Time Management · Casual

Nodebuster
Shared: Incremental · Arcade · Casual

How to Make an Atomic Bomb in Your Garden
Shared: Crafting · Indie · First-Person

Shelldiver
Shared: Incremental · Arcade · Casual

911 Operator
Shared: Real Time Tactics · Simulation · Education

Liftoff®: FPV Drone Racing
Shared: First-Person · Crafting · Simulation

Shawarma Legend
Shared: Time Management · Cooking · Simulation